LOKRING l Katalog I AKK EN 27.10.11.indd

AUTOMOTIVE AIR CONDITIONING CATALOGUE 

FIND THE LEAK! - REPAIR THE LEAK!

Validity clause 

The LOKRING ® tube connection technology represents a proven method of 

producing hermetically sealed metal-to-metal tube connections. The LOKRING ® 

tube connections are mainly used in the air conditioning and refrigeration industries. 

The use of LOKRING ® tube connection technology in other fields is to be 

discussed with VULKAN Lokring. VULKAN Lokring as the supplier is responsible 

for the qualitative delivery of the tube connections and tools which are ordered 

from this catalogue. 

The purchaser is responsible for the use of the LOKRING ® tube connections and 

tools as directed. The assembly has to be done accordingly to the instructions 

and exclusively with original LOKRING ® parts. 

The present Automotive Air Conditioning catalogue shall replace all previous 

editions, any previous printings shall no longer be valid. The data contained in 

this catalogue refers to the valid state of affairs in time of the copy deadline. Any 

changes due to technical progress are reserved. 

Status 05/2013 

All duplication, reprinting and translation rights are reserved. Further remarks for 

the LOKRING ® assembly are available on request.

CONTENTS 

04 

06 

10 

VULKAN LOKRING 

LOKTRACE: trace gas leak detection 

08 LOKTRACER TLD.500 

09 LOKTRACER TLD.1000 

LOKRING ® & LOKCLIP: REPAIR OF A/C LINES 

12 - 13 LOKRING ® & LOKCLIP basic equipment 

14 

LOKRING ® : professional tube repair 

15 the LOKRING ® assembly 

16 LOKRING ® basic equipment 

17 LOKRING ® assembly tools 

18 - 22 LOKRING ® connections 

23 HOSELOK connections 

24 - 25 Tools and accessories 

26 

LOKCLIP: THE BEST SYSTEM FOR HOSE CONNECTIONS 

27 The LOKCLIP assembly 

28 LOKCLIP Basic equipment 

29 LOKCLIP Assembly tools 

30 LOKCLIP connections 

31 Accessories 

32 

SERVICE 

32 Information fax 

33 Order fax 

34 Index 

contents 

03

welcome to VULKAN LOKRING 

we are your global partner for top connections 

Refrigeration Appliances 

Household refrigeration appliances 

(Refrigerators and Freezers, Wine Coolers) 

Ready-to-use Refrigeration Equipment 

(Refrigeration cabinets, bars, lockers and chillers) 

Refrigeration Equipment for Catering 

(Sales counter refrigerators, flow-through coolers and 

portable cooling systems) 

Refrigeration and Air conditioning Technology 

Air conditioning Systems (Split, Multi-split, 

VRV, HVAC) 

Commercial Product Refrigeration 

Heat pumps 

Solar thermal energy 

Geothermal energy 

04 VULKAN LOKRING

For more than 30 years now, VULKAN Lokring‘s success has 

been founded on worldwide patented, unique connecting elements 

for refrigerant lines. Originally developed for the absolute 

extreme conditions of space technology, we have continually 

improved our connections to meet the requirements of air conditioning 

technology, thus developing into the leading specialist in 

this area on the world‘s market. 

In the meantime, more than 1,000,000,000 LOKRING ® tube 

connections have been successfully used in the industrial volume 

production of vehicle air conditioning systems, cooling and freezing 

units. Every year, several million vehicles leave the production 

lines at leading vehicle manufacturers with LOKRING ® technology 

installed. The expert knowledge we have gained as an original 

equipment manufacturer to the automotive industry can of course 

be drawn on continually for our tube and hose connections for the 

field of automotive servicing, too. This allows VULKAN Lokring to 

provide a coordinated range of service-optimised tube and hose 

connections with TÜV certificate and in OEM quality. 

LOKTRACE is the first method that meets all the requirements on 

a leak detection system for vehicle air conditioning systems. 

In combination with the repair system LOKRING ® & LOKCLIP, 

VULKAN Lokring offers the complete package for finding the leak 

and repairing the leak. 

Make the most of VULKAN Lokring‘s experience and services as 

your best connection! 

OEM PRODUCTION 

Household refrigeration appliances 

(Refrigerators and Freezers, Wine Coolers) 

Motor vehicle air conditioners 

Building air conditioners 

Heat pumps 

Refrigeration and air conditioning 

Motor vehicles 

Utility vehicles 

Special vehicles 

Buses 

VULKAN LOKRING 

05

LOKTRACE 

FIND THE LEAK! 

LOKTRACE gas, which is a mixture of nitrogen and hydrogen, 

is filled into the air conditioning system for leak detection. 

LOKTRACE gas is non-flammable, non-toxic, non-corrosive and 

not harmful to the environment. Hydrogen molecules 

are the smallest naturally occurring particles and escape from 

minimum leaks. With the help of the LOKTRACER TLD.500 or 

LOKTRACER TLD.1000 the tiniest leaks can be detected. 

The leak detectors react almost exclusively to hydrogen with nearly 

no cross-sensitivities to other gases. 

In compliance with EU directive 2006/40/EG 

Leak detectors with patented double-sensor 

Detecting smaller leaks 

Nearly no cross-sensitivity to other gases 

Easy checking of the evaporator 

Suitable for air conditioning systems using HFO-1234yf 

Illustration: Evaporator test 

The hydrogen molecules escape at the leak in the evaporator and get inside the passenger compartment through the ventilation slots. 

LOktrace COMPARED TO CONVENTIONAL LEAK DETECTION METHODS 

Compliance with 

legal regulations 

Direct 

implementation 

Detecting 

smaller leaks 

Reliability 

Easy checking 

of the evaporator 

Loktrace 3 3 3 3 3 

UV dye 7 7 7 3 7 

Electronic refrigerant leak detectors 7 3 3 7 3 

Nitrogen and bubble spray 3 3 7 3 7 

06 LOKTRACE

OEM APPROVED 

Illustration: Leak detection in the engine compartment 

Hydrogen is lighter than air. The air conditioning pipes and hoses can be checked conveniently from above. 

LOKTRACE 

07

Loktracer tld.500 

SPECIALLY DESIGNED FOR WORKSHOP USE 

LOKTOOL: LOKTRACER TLD.500 | Trace gas leak detector 

LOKTOOL trace gas leak detector 

Especially developed for vehicle air 

conditioning systems 

No cross-sensitivity to external gases 

Step-by-step convergence on large leaks 

(zero setting) 

Automatic self-regulation of the sensor 

Without pumps or filters thanks to 

diffusion technology 

Integrated LED torch 

Acoustic and optical alarm 

Article no. Article name Description 

L13005099 LOKtracer TLD.500 Trace gas leak detector 

Technical data 

Time until ready to operate 

< 90 sec. 

Reaction time 

1 bis 2 sec. 

Power supply 

approx. 5 hours 

LOKset: LOKTRACE KA W21,8-14 | Trace gas leak detection set 

LOKSET trace gas leak detection set* 

LOKtracer TLD.500 trace gas leak detector 

Cylinder trolley 

Pressure reducer 

Manifold gauge 

Quick couplers (HP and LP) 

Service hoses 

Dust cover 

Article no. Article name Thread (Pressure reducer) 

L13005004 LOKTRACE KA W21,8-14 W21,8-14 

L13005029 LOKTRACE KA CGA350 CGA350 

L13005030 LOKTRACE KA 1/2-14-BSP 1/2-14-BSP 

L13005031 LOKTRACE KA 5/8-14-BSP 5/8-14-BSP 

L13005032 LOKTRACE KA W20-14 W20-14 

L13005033 LOKTRACE KA W22-14 W22-14 

L13005314 LOKTRACE KA 24x2W RH 24x2W RH 

*LOKTRACE gas cylinder not included in the scope of supply. 

LOKBOX: TG-AUTO-500 | Trace gas leak detection set 

LOKBOX trace gas leak detection set 





Service hoses 

Plastic case 

2 litre trace gas cylinder* 


L13005139 LOKBOX TG-AUTO-500 Set without trace gas cylinder 

L13005106 LOKBOX TG-AUTO-500-2L Set with 2L trace gas cylinder 

L14004039 LOKplus TGR2 2L trace gas refill 

*only included in the scope of supply of 

LOKBOX TG-AUTO-500-2L (L13005106) 

08 LOKTRACE

loktracer tld.1000 

the original 

LOKTOOL: LOKTRACER TLD.1000 | Trace gas leak detector 

LOKTOOL trace gas leak detector 

Exclusive „search mode“ for smallest 

of leakages 

No cross-sensitivity to external gases 

Step-by-Step convergence on large leaks 

(zero setting) 

Automatic self-regulation of the sensor 

With suction pump 

Display shows the concentration of hydrogen 

Acoustic and optical alarm 


L13005244 LOKTRACER TLD.1000 Trace gas leak detector 

Technical data 

Time until ready to operate 

< 60 sec. 

Reaction time 

1 bis 2 sec. 

Power supply 

approx. 3 hours 

LOKset: LOKTRACE KA-1000 | Trace gas leak detection set 

LOKSET trace gas leak detection set* 


Cylinder trolley 




Service hoses 

Dust cover 


L13005184 LOKTRACE KA-1000 W21,8-14 Trace gas leak detection set 

*LOKTRACE gas cylinder not included in the scope of supply. 

LOKBOX: TG-AUTO-1000 | Trace gas leak detection set 

LOKBOX trace gas leak detection set 





Service hoses 

Plastic case 

2 litre trace gas cylinder* 


L13005185 LOKBOX TG-AUTO-1000 Set without trace gas cylinder 

L13005245 LOKBOX TG-AUTO-1000-2L Set with 2L trace gas cylinder 

L14004039 LOKplus TGR2 2L trace gas refill 

*only included in the scope of supply of 

LOKBOX TG-AUTO-500-2L (L13005106) 

LOKTRACE 

09

LOKRING ® 

& LOKCLIP 

REPAIR OF TUBES AND HOSES IN AIR CONDITIONING SYSTEMS 

for universal use, independent of the vehicle type and model year 

no waiting for expensive original spare parts 

no welding, soldering or thread cutting necessary 

in many cases, the faulty line may not even have to be removed 

for more than 30 years tried-and-trusted by OEMs 

in compliance with EU directive 2006/40/EG 

10 LOKRING & LOKCLIP

ONE SYSTEM - ENDLESS POSSIBILITIES 

With LOKRING ® & LOKCLIP YOU CAN REPAIR: 

Straight tubes and elbows 

Hoses 

Hose-to-Tube connections 

Pressure switch connections 

Spring-Lock connections 

Threaded connections 

LOKRING & LOKCLIP 

11


& LOKCLIP basic equipment 

THE PERFECT STARTER PACKAGE 

Aluminium reducing connectors 

Aluminium elbow 45° 

Aluminium elbow 90° 

Hose-to-LOKRING connectors 

Hose-to-Tube connectors 

Hand assmbly tool 

Assembly jaws 

Anaerobic sealant 

Abrasive mat 

Aluminium union joints 

12 LOKRING & LOKCLIP

LOKBOX: LRLC | LOKRING & LOKCLIP basic equipment 

LOKRING & LOKCLIP basic equipment – 

LOKBOX LRLC 

All you need for a perfect start in the world 

of quick, easy and low-cost repairs to 

tubes and hoses in vehicle air conditioning 

systems in a sturdy steel case with clear 

inner compartments. 

Scope of supply 

LOKRING tools 

LOKCLIP tools 

LOKPREP 65G anaerobic sealant 

LOKRING aluminium union joints 

LOKRING aluminium reducing 

connectors 

LOKRING aluminium elbows 

LOKCLIP Hose-to-LOKRING 

connectors 

LOKCLIP Hose-to-Tube connectors 


L13005317 LOKBOX LRLC LOKRING & LOKCLIP box set 


Article no. Article name Description Quantity 

L13002811 LOKtool MZ-V Hand assembly tool 1 

L20000304 LOKtool MB 8 EVP Assembly jaws 2 





L20000735 LOKtool MB LC Assembly jaws 2 

L14000878 LOKPREP 65G Anaerobic sealant 1 

L13001393 LOKring 8 NK Al 50 Aluminium union joints 2 

L13001394 LOKring 9,53 NK Al 50 Aluminium union joints 2 





L13001274 LOKRING 18 NK Al 50 Aluminium union joints 2 


L13001443 LOKring 9,53/8 NR Al 50 Aluminium reducing connectors 2 

L13001610 LOKring 10/9,53 NR Al 50 Aluminium reducing connectors 2 

L13001690 LOKring 13/12 NR Al 50 Aluminium reducing connectors 2 

L13001691 LOKring 19/18 NR Al 50 Aluminium reducing connectors 2 

L14002231 LOKring Al EB45° 9,53 Aluminium elbow 45° 1 

L14002232 LOKring Al EB45° 13 Aluminium elbow 45° 1 


L14002234 LOKring Al EB90° 9,53 Aluminium elbow 90° 1 



L13004251 LOKtool SV.3 Abrasive mat 1 

L13003869 LOKclip Al NK9,53-06 Hose-to-LOKRING connectors 2 

L13003870 LOKclip Al NK13-08 Hose-to-LOKRING connectors 2 



L13004400 LOKclip Al 9,53-06 Hose-to-Tube connectors 2 

L13004401 LOKclip Al 13-08 Hose-to-Tube connectors 2 



LOKRING & LOKCLIP 

13


THERE‘S A NAME FOR PROFESSIONAL TUBE REPAIRS: LOKRING 

14 LOKRING

LOKRING ASSEMBLY 

ONE JOINT, TWO RINGS, 4 STEPS – THAT‘S ALL THERE IS TO IT. 

STEP 01 | CLEAN THE TUBE ENDS 

To ensure that the connection is hermetically sealed, the tube ends have to be 

metallically bright. First, use our abrasive mat to remove all soiling. In order to 

prevent longitudinal grooves, the tube ends have to be cleaned in a rotary direction. 

Avoid sanding movements in the longitudinal direction of the tube. 

STEP 02 | APPLY LOKPREP 

Next; moisten the whole tube circumference with LOKPREP by guiding the bottle 

360° around the outside of the tube. Apply the LOKPREP a little away from the 

cut edge to prevent it getting onto the inside of the tube. 

Depending on the repair situation, there are several different possibilities of 

applying LOKPREP over an area. 

STEP 03 | INSERT TUBES 

Next; insert the tubes with the LOKPREP film into the joint. 

Make sure that the ends of the tubes are inserted to the inner limit and remain 

fixed in this position during assembly. 

STEP 04 | PRESS INTO PLACE 

Finally; apply the manual assembly tool to the union joint so that the 

LOKRINGs are seated squarely in the assembly jaws and then press the 

LOKRINGs axially onto the joint until they meet at the centre stop. – Ready to go. 

LOKRING 

15


basic equipment 

THE PERFECT STARTER PACKAGE FOR TUBE REPAIRS 

LOKBOX: LR Automotive basic | LOKRING basic equipment 

Hand assembly tool 

Assembly jaws 

Anaerobic sealant 

Abrasive mat 

Aluminium union joints 

Aluminium reducing connectors 

Aluminium elbows 45° 

Aluminium elbows 90° 

LOKRING basic equipment – 

LOKBOX LR Automotive basic 

All you need for a perfect start in 

the world of quick, easy and low-cost 

repairs to tubes in vehicle air conditioning 

systems in a sturdy steel case 

with clear inner compartments. 


LOKRING tools 

LOKPREP 65G anaerobic sealant 

LOKRING aluminium union joints 

LOKRING aluminium reducing 

connectors 

LOKRING aluminium elbows 


L13003676 LOKBOX LR Automotive basic LOKRING box set 



L13002811 LOKTOOL MZ-V Hand assembly tool 1 

L20000304 LOKTOOL MB 8 EVP Assembly jaws 2 





L14000878 LOKPREP 65G Anaerobic sealant 1 

L13004251 LOKTOOL SV.3 Abrasive mat 1 


L13001394 LOKRING 9,53 NK Al 50 Aluminium union joints 2 






L13001610 LOKRING 10/9,53 NR Al 50 Aluminium reducing connectors 2 

L13001440 LOKRING 16/15 NR Al 50 Aluminium reducing connectors 2 



L14002231 LOKRING Al EB45° 9,53 Aluminium elbows 45° 1 

L14002232 LOKRING Al EB45° 13 Aluminium elbows 45° 1 


L14002234 LOKRING Al EB90° 9,53 Aluminium elbows 90° 1 




ASSEMBLY TOOLS 

FOR LOKRING CONNECTIONS 

LOKTOOL: MZ-V | Hand assembly tool 

LOKTOOL hand assembly tool* 

The flexible model. The MZ-V was developed for use 

in areas that are difficult to access. Since the handles 

are offset on both sides, the MZ-V is also suitable for 

flexible use during work in the engine compartment. 


L13002811 LOKTOOL MZ-V Hand assembly tool 

*Supplied without assembly jaws. 

LOKTOOL: MB EVP | Assembly jaws 

LOKTOOL assembly jaws* for LOKRING 

The assembly jaws fit the hand assembly tools 

LOKTOOL MZ and LOKTOOL MZ-V. They can be replaced 

easily and quickly, thus enabling LOKRING 

assembly on different tube diameters using only one tool. 

Article no. Article name For tube outer ø 

L20000304 LOKTOOL MB 8 EVP up to 8 mm 

L20000305 LOKTOOL MB 10 EVP 9 – 11 mm 

L20000306 LOKTOOL MB 12 EVP 12 - 13 mm 



*For assembly it is necessary to use two assembly jaws. The unit is one piece. 

LOKPREP: 65G | Anaerobic sealant 

LOKPREP 65G, sealant for LOKRING assembly 

LOKPREP was developed especially for LOKRING assembly 

and always has to be used wherever LOKRINGs 

are to be fitted. 

LOKPREP compensates possible unevenness in the 

tube surface, thus guaranteeing that every LOKRING 

connection is hermetically sealed. 

Article no. Article name Quantity 

L14000878 LOKPREP 65G 15 ml 


17

UNION JOINTS AND REDUCING CONNECTORS 

FOR MOST COMMON REPAIRS 

LOKRING: NK Al 50 | Aluminium union joints 

LOKRING aluminium union 

joints 

For connecting aluminium 

tubes with identical 

outer diameters. 

*Further diameters on request 

Article no. Article name ø* 

[ mm | inches ] 

L13001393 LOKRING 8 NK Al 50 8 | 5/16 

L13001394 LOKRING 9,53 NK Al 50 9.53 | 3/8 

L13001395 LOKRING 10 NK Al 50 10 | – 







LOKRING: NR Al 50 | Aluminium reducing connectors 

LOKRING aluminium 

reducing connectors 

For connecting metric to 

imperial aluminium 

tubes. 

*Further diameters on request 

Article no. Article name ø* Tube 1 

[ mm | inches] p 

ø* Tube 2 

[mm | inches] 

L13001443 LOKRING 9,53/8 NR Al 50 9.53 | 3/8 p 8 | 5/16 

L13001610 LOKRING 10/9,53 NR Al 50 10 | – p 9.53 | 3/8 

L13001282 LOKRING 13/9,53 NR Al 50 13 1/2 p 9.53 | 3/8 

L13001690 LOKRING 13/12 NR Al 50 13 | 1/2 p 12 | – 

L13001309 LOKRING 16/13 NR Al 50 16 | 5/8 p 13 | 1/2 


L13003169 LOKRING 17/16 NR Al 50 17 | – p 16 | 5/8 

L13001421 LOKRING 19/16 NR Al 50 19 | 3/4 p 16 | 5/8 



SERVICE AND PRESSURE SWITCH CONNECTIONS 

For safety and good SERVICE 

LOKRING: Al LP-NK | Low-pressure connections 

LOKRING aluminium low-pressure connections 

For the replacement of faulty low-pressure 

connections or for converting an air conditioning 

system from R12 to R134a. 

Article no. Article name ø [ mm | inches ] 

L13001733 LOKRING Al LP-NK10 10 | – 

L13001427 LOKRING Al LP-NK12 12 | – 

L13001428 LOKRING Al LP-NK13 13 | 1/2 



LOKRING: Al HP-NK | High-pressure connections 

LOKRING aluminium high-pressure connections 

For the replacement of faulty high-pressure 

connections or for converting an air conditioning 

system from R12 to R134a. 


L13001336 LOKRING Al HP-NK8 8 | 5/16 

L13001373 LOKRING Al HP-NK9,53 9.53 | 3/8 

L13001374 LOKRING Al HP-NK10 10 | – 

L13001375 LOKRING Al HP-NK12 12 | – 

L13001376 LOKRING Al HP-NK13 13 | 1/2 

LOKRING: Al SP | Pressure switch connections 

LOKRING aluminium pressure switch 

connections 

For replacing faulty pressure switch connections 

with outer thread 3/8-24. 


L13002378 LOKRING Al SP F3/8-NK9,53 9.53 | 3/8 

L13002379 LOKRING Al SP F3/8-NK13 13 | 1/2 

LOKRING: Al SP | Pressure switch connections 

LOKRING aluminium pressure switch 

connections 

For replacing faulty pressure switch connections 

with inner thread 7/16-20. 


L14003301 LOKRING Al SP M1/4-NK9,53 9.53 | 3/8 

L14003302 LOKRING Al SP M1/4-NK13 13 | 1/2 


19

O-RING REPAIR CONNECTIONS (metric) 

FOR THE REPLACEMENT OF FAULTY THREADS 

You can use these connections together with LOKRING union joints to replace faulty threads or Spring-Lock connectors. 

LOKRING: Al OR Mx-MI | O-ring connections 

LOKRING aluminium O-ring 

repair connections with 

union nut 

(outer thread, metric) 

Article no. Article name Tube outer-ø [ mm | inches ] Thread connection 

L14004087 LOKRING Al OR M16x1,5-MI-9,53 9.53 | 3/8 M16 x 1.5 



L14004090 LOKRING Al OR M20x1,5-MI-13 13 | 1/2 M20 x 1,5 

L14004091 LOKRING Al OR M22x1,5-MI-16 16 | 5/8 M22 x 1,5 

L14004106 LOKRING Al OR M24x1,5-MI-16 16 | 5/8 M24 x 1.5 

L14004092 LOKRING Al OR M24x2-MI-16 16 | 5/8 M24 x 2 

L14004107 LOKRING Al OR M27x1,5-MI-19 19 | 3/4 M27 x 1.5 

L14004093 LOKRING Al OR M27x2-MI-19 19 | 3/4 M27 x 2 

LOKRING: Al OR Mx-F | O-ring connections 



union nut 

(inner thread, metric) 


L14004081 LOKRING Al OR M18x1,5-F-9,53 9.53 | 3/8 M18 x 1.5 

L14004082 LOKRING Al OR M20x1,5-F-9,53 9.53 | 3/8 M20 x 1.5 

L14004083 LOKRING Al OR M20x1,5-F-13 13 | 1/2 M20 x 1.5 



L14004085 LOKRING Al OR M24x2-F-16 16 | 5/8 M24 x 2 


L14004086 LOKRING Al OR M27x2-F-19 19 | 3/4 M27 x 2 

LOKRING: Al OR Mx-M | O-ring connections 



union nut 

(outer thread, metric) 


L14004108 LOKRING Al OR M22x1,5-M-16 16 | 5/8 M22 x 1.5 




O-RING REPAIR CONNECTIONS (imperial) 


Al OR x“-MI | O-ring connections 

LOKRING aluminium O- 

ring repair connections 

with union nut 

(outer thread, imperial) 


L14002595 LOKRING Al OR 5/8-MI-9,53 9.53 | 3/8 5/8 – 18 

L14002596 LOKRING Al OR 3/4-MI-13 13 | 1/2 3/4 – 16 

L14002597 LOKRING Al OR 7/8-MI-16 16 | 5/8 7/8 – 14 

L14002598 LOKRING Al OR 1 1/16-MI-19 19 | 3/4 1 1/16 – 14 

LOKRING: Al OR x“-F | O-ring connections 

LOKRING aluminium O- 

ring repair connections 


(inner thread, imperial) 


L14002599 LOKRING Al OR 5/8-F-9,53 9.53 | 3/8 5/8 – 18 

L14002600 LOKRING Al OR 3/4-F-13 13 | 1/2 3/4 – 16 

L14002601 LOKRING Al OR 7/8-F-16 16 | 5/8 7/8 – 14 

L14002602 LOKRING Al OR 1 1 /16-F-19 19 | 3/4 1 1/16 – 14 

LOKRING: Al OR x“-M | O-ring connections 


repair connections 




L14002603 LOKRING Al OR 5/8-M-9,53 9.53 | 3/8 5/8 – 18 

L14002604 LOKRING Al OR 3/4-M-13 13 | 1/2 3/4 – 18 

L14002605 LOKRING Al OR 7/8-M-16 16 | 5/8 7/8 – 18 

L14002606 LOKRING Al OR 1 1/16-M-19 19 | 3/4 1 1/16 – 16 


21

O-RING REPAIR CONNECTIONS (90°– elbow imperial) 


LOKRING: Al OR 90° x“-MI | O-ring connections 


repair connections with 90° 

elbow and union nut 



L14003339 LOKRING Al OR 90° 5/8-MI-9,53 9.53 | 3/8 5/8 – 18 

L14003340 LOKRING Al OR 90° 3/4-MI-13 13 | 1/2 3/4 – 16 

L14003341 LOKRING Al OR 90° 7/8-MI-16 16 | 5/8 7/8 – 14 

L14003342 LOKRING Al OR 90° 1 1/16-MI-19 19 | 3/4 1 1/16 – 14 

LOKRING: Al OR 90° x“-F | O-ring connections 






L14003335 LOKRING Al OR 90° 5/8-F-9,53 9.53 | 3/8 5/8 – 18 

L14003336 LOKRING Al OR 90° 3/4-F-13 13 | 1/2 3/4 – 16 

L14003337 LOKRING Al OR 90° 7/8-F-16 16 | 5/8 7/8 – 14 

L14003338 LOKRING Al OR 90° 1 1/16-F-19 19 | 3/4 1 1/16 – 14 

LOKRING: Al OR 90° x“-M | O-ring connections 






L14003331 LOKRING Al OR 90° 5/8-M-9,53 9.53 | 3/8 5/8 – 18 

L14003332 LOKRING Al OR 90° 3/4-M-13 13 | 1/2 3/4 – 18 

L14003333 LOKRING Al OR 90° 7/8-M-16 16 | 5/8 7/8 – 18 

L14003334 LOKRING Al OR 90° 1 1/16-M-19 19 | 3/4 1 1/16 – 16 

LOKRING: O-ring | O-rings 

O-rings Article no. Article name External diameter Material thickness 

L14003399 O-Ring 06 7.65 mm 1.78 mm 

L14003400 O-Ring 08 10.82 mm 1.78 mm 

L14003401 O-Ring 10 14.00 mm 1.78 mm 

L14003402 O-Ring 12 17.17 mm 1.78 mm 


HOSELOK 

HOSE-TO-TUBE REPAIR 

HOSELOK: Al | Hose-to-Tube connections for standard barrier hose 

HOSELOK aluminium tube connections 

for standard barrier hose 

Can be used with LOKRING aluminium 

reducing connectors. 

Article no. Article name Tube outer-ø [ mm | inches ] Hose inner-ø 

L14000751 HOSELOK Al 9,53-06 9.53 | 3/8 06 (8 mm) 

L14000872 HOSELOK Al 13-08 13 | 1/2 08 (10 mm) 

L14000879 HOSELOK Al 16-10 16 | 5/8 10 (13 mm) 

L14000873 HOSELOK Al 19-12 19 | 3/4 12 (16 mm) 

HOSELOK: Al NK | Hose-to-LOKRING connections for standard barrier hose 

HOSELOK aluminium LOKRING 

connections for HOSELOK standard 

barrier hose 


L13001321 HOSELOK Al NK9,53-06 9.53 | 3/8 06 (8 mm) 

L13001601 HOSELOK Al NK10-06 10 | – 06 (8 mm) 


L13001320 HOSELOK Al NK13-08 13 | 1/2 08 (10 mm) 





HOSELOK: Al R | Hose-to-Tube connections for reduced barrier hose 

HOSELOK aluminium tube connections 

for reduced barrier hose 




L14002656 HOSELOK Al 9,53-R06 9.53 | 3/8 06 (8 mm) 

L14002657 HOSELOK Al 13-R08 13 | 1/2 08 (10 mm) 



HOSELOK: Al NK-R | Hose-to-LOKRING connections for reduced barrier hose 

HOSELOK aluminium LOKRING connections 

for reduced barrier hose 


L14002660 HOSELOK Al NK9,53-R06 9.53 | 3/8 06 (8 mm) 

L14003354 HOSELOK Al NK10-R08 10 | – 08 (10 mm) 


L14002661 HOSELOK Al NK13-R12 13 | 1/2 12 (16 mm) 






23

ACCESSORIES AND TOOLS 

FOR THE REPAIR AND REPLICATION OF TUBES 

LOKRING: Al TU | Aluminium tube 

Article no. Article name ø [ mm | inches ] Article no. Article name ø [ mm | inches ] 

L14000898 LOKRING Al TU 8 8 | 5/16 L14000767 LOKRING Al TU 13 13 | 1/2 

L14000766 LOKRING Al TU 9,53 9.53 | 3/8 L14000765 LOKRING Al TU 16 16 | 5/8 

L14003343 LOKRING Al TU 10 10 | – L14003780 LOKRING Al TU 18 18 | – 

L14000716 LOKRING Al TU 12 12 | – L14000768 LOKRING Al TU 19 19 | 3/4 

Every aluminium tube in OEM quality, length: 1 m 

LOKRING: GA LRR | Aluminium tube set 

LOKRING aluminium tube set 


1m tube of each diameter 

L13004936 

LOKPLUS GA LRR LOKRING Aluminium tube set 


Article no. Article name Article no. Article name 

L14000898 LOKRING Al TU 8 L14000767 LOKRING Al TU 13 

L14000766 LOKRING Al TU 9,53 L14000765 LOKRING Al TU 16 



LOKRING: Al EB45° | Aluminium elbow 

LOKRING aluminium elbow 45° 

For replicating aluminium tubes with a 45° elbow. 


L14002231 LOKRING Al EB45° 9,53 9.53 | 3/8 

L14002232 LOKRING Al EB45° 13 13 | 1/2 


Al EB90° | Aluminium elbow 

LOKRING aluminium elbow 90° 

For replicating aluminium tubes with a 90° elbow. 


L14002234 LOKRING Al EB90° 9,53 9.53 | 3/8 





LOKTOOL: SV.3 | Abrasive mat 

LOKTOOL abrasive mat 

Suitable for all surfaces 

Solvent-resistant 

Dimensions: 158 mm x 224 mm 

Packing unit: 3 mats 

Article no. Article name Quantity 

L13004251 LOKTOOL SV.3 Abrasive mat 

LOKTOOL: TC6-38 | Tube cutter 

LOKTOOL tube cutter 

New and professional tube cutter using roller bearing 

technology, which makes quick and easy tube cutting 

possible. The integrated deburrer rounds this innovative 

tool off. Diameter range: 6 mm to 38 mm. 


L14003601 LOKTOOL TC6-38 Tube cutter 

L14003602 LOKTOOL CW6-38 Cutting wheel for TC6-38 

LOKTOOL: TC3-28 | Tube cutter 

LOKTOOL tube cutter 

New and professional tube cutter using roller bearing 

technology, which makes quick and easy tube cutting 

possible. Diameter range: 3 mm to 28 mm. 


L14003600 LOKTOOL TC3-28 Tube cutter 

L14003603 LOKTOOL CW3-28 Cutting wheel for TC3-38 

LOKTOOL: Gratfix N-E | Tube deburrer 

LOKTOOL tube deburrer 

For the quick and clean deburring of tubes, edges and 

steel plates. 


L14001362 LOKTOOL Gratfix N-E Tube deburrer 

L14001363 N-E100 Universal spare blade 


25

LOKCLIP 

THE BEST SYSTEM FOR HOSE CONNECTIONS 

26 LOKCLIP

LOKCLIP ASSEMBLY 

EXPENSE? – YOU CAN COUNT IT ON THE FINGERS OF ONE HAND. 

STEP 01 | INSERT STAINLESS STEEL CLIPS 

Insert the two stainless steel clips in the clip position holder in such a way that 

the clips are easily accessible for the subsequent pressing process using the 

assembly tool. 

STEP 02 | INSERT HOSE INTO POSITION HOLDER 

Insert the hose into the position holder with pre-mounted clips as far as it will go. 

STEP 03 | LUBRICATE AND PUSH IN JOINT 

Lubricate the joint with a little refrigerant oil. This allows it to be pushed into the 

end of the hose more easily. Then push the joint into the hose as far as it will go. 

STEP 04 | PRESS INTO PLACE 

Press the stainless steel clips using the hand assembly tool. Start with the clip 

positioned at the side of the hose. 

STEP 05 | SETTING UP A TUBE CONNECTION 

The LOKCLIP connection is ready to use! Now, as shown with this variant, you 

can connect a tube on the other side with the aid of a LOKRING as before. For 

a more detailed explanation of LOKRING assembly see page 15. In the case of 

a hose-to-hose connection, the steps shown here are repeated. 

LOKCLIP 

27

LOKCLIP basic equipment 

THE PERFECT STARTER PACKAGE FOR HOSE REPAIRS 

LOKBOX: LC Automotive basic | LOKCLIP basic equipment 

Assembly jaws 

Hose cutter 

Aluminium LOKRING connectors 

Aluminium tube connectors 

Splicers 

LOKCLIP basic equipment – 

LOKBOX LC Automotive basic 

All you need for a perfect start in the 

world of quick, easy and low-cost 

repairs to hoses in vehicle air conditioning 

systems in a sturdy steel 

case with clear inner compartments. 


Assembly jaws 

Hose cutter 

Aluminium LOKRING connectors 

Aluminium tube connectors 

Splicer 


L13004765 LOKBOX LC Automotive basic LOKCLIP box set 



L13004765 LOKBOX LC Automotive basic Basic equipment 1 

L20000735 LOKTOOL MB LC Assembly jaw 2 

L14000672 LOKTOOL HC 6.12 Hose cutter 1 

L13003869 LOKCLIP Al NK9,53-06 Aluminium LOKRING connector 2 

L13003870 LOKCLIP Al NK13-08 Aluminium LOKRING connector 2 



L13004400 LOKCLIP Al 9,53-06 Aluminium tube connector 2 

L13004401 LOKCLIP Al 13-08 Aluminium tube connector 2 



L13004219 LOKCLIP Splicer 06-06 Splicer 1 




28 LOKCLIP

assembly tools 

ALL YOU NEED FOR LOKCLIP ASSEMBLY 

LOKTOOL: LC flex | Hand assembly tool 

LOKTOOL hand assembly tool 

This extremely handy tool makes LOKCLIP connections even 

easier to set up. It can even reach those difficult to access 

spots in the engine compartment. 


L14003352 LOKTOOL LC flex Hand assembly tool 

LOKTOOL: MZ-V | Hand assembly tool 

LOKTOOL hand assembly tool* 

The flexible model. The MZ-V was developed for use in areas 

that are difficult to access. Since the handles are offset on both 

sides, the MZ-V is also suitable for flexible use during work in 

the engine compartment. 


L13002811 LOKTOOL MZ-V Hand assembly tool 

*Supplied without assembly jaws 

LOKTOOL: MB LC | Assembly jaw 

LOKTOOL assembly jaw* for LOKCLIP 

Especially developed for the hand assembly tools LOKTOOL MZ 

and MZ-V. Those who already work with LOKRING only need an 

additional pair of assembly jaws to set up tube and hose connections 

with the same assembly tool. 


L20000735 LOKTOOL MB LC Assembly jaw 

*For assembly it is necessary to use two assembly jaws. The unit is one piece. 

LOKTOOL: HC 6.12 | Hose cutter 

LOKTOOL hose cutter 

High-quality hose cutter for cutting through refrigerant hoses. 

Suitable for all common hose diameters in vehicle air conditioning 

systems. Not suitable for film tubes. 


L14000672 LOKTOOL HC 6.12 Hose cutter 

LOKCLIP 

29

HOSE-TO-TUBE 

HOSE-TO-hose 

LOKCLIPs are supplied including all the necessary plastic clip holders and stainless steel clips. 

LOKCLIP: Al NK | Aluminium LOKRING connections 

LOKCLIP aluminium LOKRING 

connections 


L13003869 LOKCLIP Al NK9,53-06 9.53 | 3/8 06 (8 mm) 

L13003870 LOKCLIP Al NK13-08 13 | 1/2 08 (10 mm) 



LOKCLIP: Al | Aluminium tube connections 

LOKCLIP aluminium tube connections 




L13004400 LOKCLIP Al 9,53-06 9.53 | 3/8 06 (8 mm) 

L13004401 LOKCLIP Al 13-08 13 | 1/2 08 (10 mm) 

L13004402 LOKCLIP Al 16-10 16 | 5/8 10 (13 mm) 

L13004403 LOKCLIP Al 19-12 19 | 3/4 12 (16 mm) 

LOKCLIP: Splicer | Splicer 

LOKCLIP Splicer 

For connecting hoses with identical 

inner diameters. 

Article no. Article name Hose inner-ø 

L13004219 LOKCLIP Splicer 06-06 06 (8 mm) 




30 LOKCLIP

LOKCLIP 

ACCESSORIES 

LOKCLIP: RH R134a R | Reduced barrier refrigerant hose* 

Article no. Article name Inner-ø [mm] Outer-ø [mm] Bursting pressure Operating pressure Bending radius Temperature range 

L14002664 LOKCLIP RH R134a R06 7.90 – 8.60 14.20 – 15.20 172 bar 34.50 bar 25 mm –40°C – 135°C 




*IMPORTANT: We guarantee 100% quality and air-tightness when this refrigerant hose is used. We cannot accept liability for products from other manufacturers. 

LOKRING: GA LCS | Hose set 

LOKCLIP hose set 

2m hose of each diameter 


L13004937 LOKPLUS GA LCS LOKCLIP Hose set 

Scope of Supply 

Article no. Article name Length 

L14002664 LOKCLIP RH R134a R06 2m 




LOKCLIP: PCH | Plastic clip holders 

LOKCLIP plastic clip holders Article no. Article name Hose inner-ø 

L14002808 LOKCLIP PCH 06 06 (8 mm) 




SSC | Stainless steel clips 

LOKCLIP stainless steel clips Article no. Article name Hose inner-ø 

L14002804 LOKCLIP SSC 06 06 (8 mm) 




LOKCLIP 

31

INFORMATION REQUEST FAX 

PLEASE COPY AND FAX TO +49 (0) 23 25 . 5 12 22 

Name 

Company 

Street 

Town 

Country 

Position 

Department 

Phone 

Fax 

E-Mail 

I WORK IN THE FIELD Of 

Vehicle air conditioning 

White goods 

Building air conditioning 

THE MAIN FOCUS OF MY WORK IS 

Service 

Original equipment suppliers 

Manufacturers / OEM 

Commercial refrigeration systems 

YES, I WOULD LIKE MORE DETAILED INFORMATION ... 

1. CATALOGUES 2. BROCHURES 

Domestic cooling technology and appliances 

Refrigeration and Air Conditioning Catalogue 

Lokring | Lokclip 

LOKTRACE - Trace gas leak detection 

Single ring tube connection – for series production 

PLEASE PROVIDE AS 

Catalogue PDF file CD 

HINweis 

NOTE 

Sie You haben can also auch download die Möglichkeit our print sich media auf as unserer PDF files 

Website from our www.vulkan.com website www.vulkan.com. unsere Printmedien 

als PDF herunterzuladen. 

32 service

ORDER AND INQUIRY FAX 

PLEASE COPY AND FAX TO +49 (0) 23 25 . 5 12 22 

Name 

Company 

Street 

Town 

Country 

Position 

Department 

Phone 

Fax 

E-Mail 

I WORK IN THE FIELD Of 

Vehicle air conditioning 

White goods 

Building air conditioning 

THE MAIN FOCUS OF MY WORK IS 

Service 

Original equipment suppliers 

Manufacturers / OEM 

Commercial refrigeration systems 

Order 

Inquiry 

Article number Article name Quantity Price/unit Total price 

Date 

Signature and company stamp 

SERVICE 

33

INDEX 

FOR QUICK CONNECTIONS 

A 

Abrasive mat 25 

Aluminium elbows 24 

Aluminium tube 24 

Aluminium tube set 24 

Anaerobic sealant 17 

T 

Tube cutter 25 

Tube deburrer 25 

Trace gas leak detector 08, 09 

Trace gas leak detection set 08, 09 

Trace gas refill 2 litre 08, 09 

H 

HOSELOK aluminium tube connectors 23 

Hose cutter 29 

L 

LOKCLIP aluminium LOKRING connectors 30 

LOKCLIP aluminium connectors 30 

LOKCLIP assembly jaws 29 

LOKCLIP basic equipment 28 

LOKCLIP hand assembly tools 29 

LOKCLIP plastic clip holder 31 

LOKCLIP refrigerant hose 31 

LOKCLIP stainless steel clips 31 

LOKCLIP splicer 30 

LOKRING & LOKCLIP basic equipment 12 

LOKRING assembly jaws 17 

LOKRING basic equipment 16 

LOKRING connectors 18 

LOKRING hand assembly tool 17 

LOKRING high pressure connectors 19 

LOKRING low pressure connectors 19 

LOKRING O-ring connections 

- metric 20 

- imperial 21 

- 90° – elbows imperial 22 

LOKRING pressure switch connectors 19 

LOKRING reducing connectors 18 

34 INDEX

Imprint 

Contact: 

VULKAN Lokring Rohrverbindung GmbH & Co. KG 

Heerstraße 66, 44653 Herne / Germany 

Phone: + 49 (23 25) 922-304 

Fax: + 49 (23 25) 51222 

E-mail: info.lok@vulkan.com 

Concept and Design: 

Hackforth Holding GmbH & Co. KG 

Marketing Service Center 

Heerstraße 66, 44653 Herne / Germany

www.vulkan.com 

Head Office 

Production Subsidiary 

Subsidiary 

Australia 

VULKAN Australia PTY LTD 

12 Wollong Street, PO Box 790 

AU – 2250 North Gosford NSW 

Phone + 61 2 43 22 85 33 

Fax + 61 2 43 22 85 99 

Mail info@vulkan.com.au 

Belgium 

Luxembourg 

Netherlands 

VULKAN Benelux 

Van Coulsterweg 3 

NL – 2952 CB Alblasserdam 

Phone + 31 7 86 81 07 80 

Fax + 31 7 86 81 07 99 

Mail info@vulkan-benelux.com 

Brasil 

VULKAN DO BRASIL Ltda. 

Av. Tamboré 1113 

Alphaville Industrial 

BR – CEP 06460 - 915 Barueri, SP 

Phone + 55 11 41 66 66 00 

Fax + 55 11 41 95 19 71 

Mail vendas.lokring@vulkan.com.br 

China 

Shanghai Branch of WUXI VULKAN 

Technologies Co,.Ltd 

Room 906-907, Yi Xiang Building 

No. 1599, Road Yan An (W) 

CN – 200050 Shanghai 

Phone + 86 21 52 37 70 01 

Fax + 86 21 52 37 70 04 

Mail info@vulkan-lokring-china.com 

France 

VULKAN France SA 

12 avenue Emile Zola – ZAC de L‘Agavon 

F – 13170 Les Pennes Mirabeau 

Phone + 33 4 42 02 21 06 

Fax + 33 4 42 02 21 09 

Mail ppeignard@vulkan.fr 

Great Britain 

VULKAN INDUSTRIES Ltd. 

Archer Road /Armytage Road 

GB – HD6 1XF Brighouse, West Yorkshire 

Phone + 44 14 84 71 22 73 

Fax + 44 14 84 72 13 76 

Mail info@vulkan.co.uk 

India 

VULKAN Technologies PVT LTD. 

GAT NO 399. Plot no 6. 

Village-Bhare, Pirangut Ind. Area 

Tal. Mulshi 

IN – 412111 Pune 

Phone +91 20 66 76 55 27 

Fax +91 20 66 76 55 51 

Mail prashant.patel@vulkanindia.com 

Italy 

VULKAN Italia S.R.L. 

Via dell` Agricoltura 2 

I – 15067 Novi Ligure (AL) 

Phone +39 01 43 31 02 11 

Fax +39 01 43 32 97 40 

Mail info@vulkan-italia.it 

SG 

Japan 

Nippon VULKAN Co., Ltd. 

6-28 Nishikobari – Ina-machi 

Kitaadachi-gun 

F – Saitama 362-0811 

Phone + 81 4 8729 0202 

Fax + 81 4 8729 0055 

Mail info@vulkan-nippon.co.jp 

Korea 

VULKAN Korea Corporation 

1153-8, Jung 1-Dong 4th floor, 

Samsung Haeundae Bldg, Haeundae-Gu 

Busan 612-847 

Phone +82 51 256 2473 

Fax +82 51 256 2474 

Mail kim-namseol@vulkan-korea.co.kr 

Singapore 

VULKAN Industries Far East PTE Ltd 

37C Benoi Road, Pioneer Lot 

627796 Singapore 

Phone +65 6578 9690 

Fax +65 6795 5324 

Mail info@vulkan.com.sg 

Spain 

VULKAN ESPAÑOLA, S.A. 

Avda. Montes de Oca 19, Nave 7 

E – 28703 San Sebastián 

de los Reyes (Madrid) 

Phone + 34 9 13 59 09 71 

Fax + 34 9 13 45 31 82 

Mail vulkan@vulkan.es 

South Africa 

VULKAN South Africa PTY LTD 

Suite 73 Private Bag X18 

ZA – 7701 Rondebosch 

Phone + 27 2 15 51 51 94 

Fax + 27 2 16 85 89 12 

Mail info@vulkansa.co.za 

Turkey 

VULKAN TURKEY Mühendislik, 

Denizcilik ve San.Ürünleri Tic.Ltd.Sti 

FSM mah. Özbek sok. ME plaza No10 Kat 

2 TR – 34810 Kavacik / Istanbul 

Phone +90 216 680 0535 -36 

Fax + 90 216 680 0537 

Mail kagan.hasircioglu@vulkan.com 

USA 

American VULKAN Corporation 

2525 Dundee Road 

FL 33884 Winter Haven, USA 

Phone + 01 86 33 24 24 24 

Fax + 01 86 33 24 40 08 

Mail vulkanusa@vulkanusa.com 

For a current list of Authorised Distributors for other locations, please refer to our website www.vulkan.com. 

Head Office: 

VULKAN Lokring Rohrverbindungen GmbH & Co. KG | Heerstraße 66 | 44653 Herne | Germany 

Phone + 49 (0) 2325 922-304 | Fax + 49 (0) 2325 51222 | Mail info.lok@vulkan.com

LOKRING l Katalog I AKK EN 27.10.11.indd

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