Parker O-Ring Handbook.pdf

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Index 11-2 — F — Face Seal Glands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 Face Type O-Ring Seals . . . . . . . . . . . . . . . . . . . . . . 4-2 Factors Applying to All O-Ring Types. . . . . . . . . . . . . . 3-2 Failure, Premature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 Failure Mode and Effects Analysis for Customers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6 Failures and Leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Fire-Resistant Hydraulic Fluids . . . . . . . . . . . . . . . . . . 3-15 Floating Glands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Floating Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24 Fluid Compatibility Table . . . . . . . . . . . . . . . . . . . . . . . 7-2 Fluorocarbon (FKM, FPM) . . . . . . . . . . . . . . . . . . . . . . 2-5 Fluorosilicone (FVMQ) . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Food, Beverage and Potable Water . . . . . . . . . . . . . . . 3-12 Friction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-7, 5-8 Friction, Coeffi cient of . . . . . . . . . . . . . . . . . . . . . . 2-19 Friction and Wear . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8 Friction Reduction Methods, Other . . . . . . . . . . . . . . . . 3-5 Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Fuels for Automobile Engines. . . . . . . . . . . . . . . . . 3-11 Jet Fuels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Fungus-Resistant Compounds . . . . . . . . . . . . . . . . . . . 3-15 — G — Gap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Gas Compatibility Table . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Gases-High Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21 Gases-Permeabilty . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 Gland Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Gland Dimensions for Reciprocating Hydraulic O-Ring Seals. . . . . . . . . . 5-15 Gland Fill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Glossary of Seal and Rubber Terms. . . . . . . . . . . . . . . 10-9 — H — Half Dovetail Grooves . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 Hardness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 HFA Fluids. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 HFC Fluids. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 HFD Fluids. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 High-Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 High Frequency Motion or Vibration. . . . . . . . . . . . . . . 5-6 High Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Hydraulic Fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Hydraulic Reciprocating O-Ring Seals . . . . . . . . . . . . . 5-2 Hydrogenated Nitrile (HNBR, HSN). . . . . . . . . . . . . . . 2-5 — I — inPHorm Seal Design and Material Selection Software . . . . . . . . . . . . . . . . . . 3-24 Inside Diameters, Cross Sections and Tolerances For Aerospace Applications - Series A (ISO 3601-1). . . . . . . . . . . . . . . . . . . . . . . 9-19 Parker O-Ring Handbook For Aerospace Applications - Series G (ISO 3601-1). . . . . . . . . . . . . . . . . . . . . . . 9-20 Installation Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5 Interdependence of Friction Wear and an Effective Seal. . . . . . . . . . . . . . . . . . . . . . . 5-12 Internal Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 ISO 3601-1, Series A Sizes . . . . . . . . . . . . . . . . . . . . . 9-19 ISO 3601-1, Series G Sizes . . . . . . . . . . . . . . . . . . . . . 9-20 ISO 6149 O-Rings for Metric Tube Fittings . . . . . . . . 9-25 — J — Jet Fuels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 JIS B2401 Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21 Joule Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 — L — Leak Rate Approximation . . . . . . . . . . . . . . . . . . . . . . 3-21 Leakage, Small Amounts . . . . . . . . . . . . . . . . . . . . . . . 5-15 Leather Back-Up Rings . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 Length of Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Liquid Rocket Propellants . . . . . . . . . . . . . . . . . . . . . . 3-13 Low Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Low Temperature Leakage . . . . . . . . . . . . . . . . . . . 5-15 Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4, 5-16 Lack of Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . 5-14 — M — Mechanical Requirements . . . . . . . . . . . . . . . . . . . . . . 2-28 Metal Non-Extrusion Rings . . . . . . . . . . . . . . . . . . . . . . 6-3 Methods to Reduce Friction. . . . . . . . . . . . . . . . . . . . . . 5-8 Micro-Emulsions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Military Fluid Specifi cation Description . . . . . . . . . . . . 8-3 Military Rubber Specifi cations . . . . . . . . . . . . . . . . . . . 8-4 Modifi cations for Special Applications . . . . . . . . . . . . 5-14 Modulus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 Molded Elastomeric O-Ring Quality Pass/Fail Limits. . . . 2-13 — N — National Sanitation Foundation (NSF) . . . . . . . . . . . . 3-13 Non-Pioneering Design . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Nuclear Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14 Numbering System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 — O — O-Lube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 O-Ring Advantages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Defi nition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 O-Ring Failures and Leakage. . . . . . . . . . . . . . . . . . . . . . . . . 4-3 How To Order O-Rings and Other Parts . . . . . . . . . . 8-2 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 Fax: (859) 335-5128 www.parkerorings.com
International O-Ring Standards and Test Methods. . . . 8-8 France . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Germany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 International . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Italy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 United Kingdom . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 Parker Compound Numbering System. . . . . . . . . 8-2 Sizing Cone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Specifi cations, Common . . . . . . . . . . . . . . . . . . . . . . 8-6 What is an O-Ring?. . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 What is an O-Ring Seal?. . . . . . . . . . . . . . . . . . . . . . 1-2 O-Ring Compression Force . . . . . . . . . . . . . . . . . .2-10, 3-9 O-Ring Design Procedure Using inPHorm O-Ring Design & Material Selection Software . . . . 1-7 O-Ring Failure Failure Mode and Effects Analysis for Customers . . 10-6 Failures and Leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 Other Causes of . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5 Spiral Failure. . . . . . . . . . . . . . . . . . . . . . . . . .5-13, 10-3 Why an O-Ring Fails Prematurely . . . . . . . . . . . . . 10-2 O-Ring Glands . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3, 5-21 For Aerospace Hydraulic Section VI Packings and Gaskets . . . . . . . . .4-3, 5-21 For Industrial Reciprocating Seals . . . . . . . . . . . . . 5-30 For Industrial Static Seals . . . . . . . . . . . . . . . . . . . . . 4-3 For Pneumatic Floating Piston Ring Seals . . . . . . . 5-35 For Rotary Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-39 O-Rings as Drive Belts . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 O-Rings Molded of Compounds Having Non-Standard Shrinkage Rates . . . . . . . . 10-16 Operating Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . 2-24 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Ordering Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Original Physical Properties . . . . . . . . . . . . . . . . . . . . 2-30 Oscillating Seal . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5, 5-19 — P — Parbak Compound Information . . . . . . . . . . . . . . . . . . . 6-3 Parbak Elastomer Back-Up Rings . . . . . . . . . . . . . . . . . 6-2 Parker Compound Numbering System . . . . . . . . . . . . . 8-2 Parker Engineering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Parker O-Lube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Parker Parbak 8-Series Dimensions. . . . . . . . . . . . . . . . 6-3 Parker Series 2-XXX O-Ring Sizes. . . . . . . . . . . . . . . . 9-2 Parker Series 3-XXX O-Ring Sizes. . . . . . . . . . . . . . . 9-11 Parker Series 5-XXX Locator Table . . . . . . . . . . . . . . 9-17 Parker Series 5-XXX O-Ring Sizes. . . . . . . . . . . . . . . 9-12 Parker O-Ring Handbook Perfl uoroelastomer (FFKM). . . . . . . . . . . . . . . . . . . . . . 2-6 Permeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 Physical and Chemical Characteristics . . . . . . . . . . . . . 2-8 Pioneering Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Plastic Contact Surfaces. . . . . . . . . . . . . . . . . . . . . . . . 3-22 Pneumatic Reciprocating O-Ring Seals. . . . . . . . . . . . 5-16 Pneumatic Seals . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5, 5-11 Polyacrylate (ACM). . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Polymers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Acrylonitrile-Butadiene (NBR). . . . . . . . . . . . . . . . . 2-3 Butyl Rubber (IIR) . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Carboxylated Nitrile (XNBR). . . . . . . . . . . . . . . . . . 2-4 Chloroprene Rubber (CR). . . . . . . . . . . . . . . . . . . . . 2-5 Ethylene Acrylate (AEM) (Vamac). . . . . . . . . . . . . . 2-4 Ethylene Propylene Rubber (EPM, EPDM) . . . . . . . 2-4 Fluorocarbon (FKM, FPM). . . . . . . . . . . . . . . . . . . . 2-5 Fluorosilicone (FVMQ) . . . . . . . . . . . . . . . . . . . . . . 2-5 Hydrogenated Nitrile (HNBR, HSN) . . . . . . . . . . . . 2-5 Perfl uoroelastomer (FFKM) . . . . . . . . . . . . . . . . . . . 2-6 Polyacrylate (ACM) . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Polyurethane (AU, EU) . . . . . . . . . . . . . . . . . . . . . . . 2-6 Silicone Rubber (Q, MQ, VMQ, PVMQ) . . . . . . . . . 2-6 Tetrafl uoroethylene-Propylene (AFLAS) . . . . . . . . . 2-6 Polytetrafl uoroethylene (PTFE) Back-Up Rings . . . . . . 6-2 Polyurethane (AU, EU) . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Potable Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 Power Steering Systems. . . . . . . . . . . . . . . . . . . . . . . . 3-12 Predicting the Compatibility of Elastomers with Mineral Based Oils (Rapid Methods) . . . . . . . 2-22 Premature Failure of an O-Ring. . . . . . . . . . . . . . . . . . 10-2 Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-26, 3-3 Pressure, direction. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5 Pressure Differential and Direction . . . . . . . . . . . . . . . 5-14 Process Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31 PTFE Back-Up Rings . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 PTFE Coatings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 — Q — Qualifi cation Testing . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30 — R — Radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14 Rapid Methods for Predicting the Compatibility of Elastomers with Mineral Based Oils . . . . . . . . . 2-22 Reciprocating Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Refrigeration and Air Conditioning . . . . . . . . . . . . . . . 3-12 Resilience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 Resistance to Fluid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Rod Wiper Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Rolling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6 Rotary Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5, 5-17 Rubber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Running Friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 Fax: (859) 335-5128 www.parkerorings.com Index 11-3
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aerospace climate control electrome
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50 th 50 th 50 th Anniversary Editi
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Section I - Introduction 1.0 How to
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1.4 Operation All robust seals are
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1.7.1 Static Seals In a truly stati
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1.11 Comparison of Common Seal Type
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Section II - Basic O-Ring Elastomer
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2.1.2 Rubber Rubber-like materials
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2.2.6 Chloroprene Rubber (CR) Chlor
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2.3 Compound Selection and Numberin
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O-ring seal, whether static or dyna
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Percent Compression 40% 30% 20% 10%
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Percent Compression 40% 30% 20% 10%
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Compression Set (% ) 100 Figure 2-1
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2.4.12 Thermal Effects All rubber i
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coeffi cient of expansion for that
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2.6 Aging Deterioration with time o
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A well-known rapid method for mater
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2.13.2 Temperature Temperature rang
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100 80 60 40 20 0 °C -50 °F -58 -
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misapplication might be greatly red
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c. Elongation Change Experience wil
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is possible to receive a part with
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Section III - O-Ring Applications 3
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3.1.2 Temperature Operating tempera
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O-Lube has some unique advantages.
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Parker Boss Kit Sizes Size Dimensio
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Recovery Percent of Original Delect
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3.9.5 Fuels for Automobile Engines
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Parker Seal produces a number of co
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3.9.16 Fungus-Resistant Compounds B
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3.9.17.2 Concentrates Containing Mi
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Where temperatures do not go below
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Permeability Rate - CC/SEC/ATM Effe
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Underwriters’ Laboratories Approv
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Parker Seal Elastic Drive Belt Comp
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Parker O-Ring Handbook Gas Permeabi
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Section IV - Static O-Ring Sealing
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The 4-3 and 4-7 design charts are o
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(e) 0° to 5° (Typ.) 63 Break Corn
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215 1.301 1.305 1.079 1.060 1.063 1
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Guide for Design Table 4-2 If Desir
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Parker O-Ring Handbook Gland Dimens
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Dovetail Grooves It is often necess
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Parker O-Ring Handbook This type of
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F .031 .016 RAD K Parker O-Ring Han
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Gland Detail 0° to 5° Break Corne
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Section V - Dynamic O-Ring Sealing
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When a cylinder rod extends out int
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It can be clearly seen from Figure
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5.11 Friction Friction, either brea
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5-9 Dynamic O-Ring Sealing Parker H
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For the same conditions, friction a
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5.15 Spiral Failure A unique type o
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5.16.1 Small Amount of Leakage 1. E
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Recommended dimensions for fl oatin
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for this service. See Section II, B
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5.30.2 Calculation of Drive Belt Cr
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Parker O-Ring Handbook Gland Design
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124 125 126 127 128 129 130 131 132
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240 241 242 243 244 245 246 247 325
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448 449 450 451 452 453 454 455 456
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X Gland Detail 0° to 5° Break Cor
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5.31.3 O-Ring Glands for Pneumatic
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Parker O-Ring Handbook Design Table
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5.31.4 O-Ring Glands for Rotary Sea
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Parker O-Ring Handbook Rotary O-Rin
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Parker O-Ring Handbook Rotary O-Rin
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Section VI - Back-Up Rings 6.1 Intr
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6.4.2 Metal Non-Extrusion Rings In
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Parker Parbak 8-Series Dimensions (
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Parker Parbak 8-Series Dimensions (
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Back-Up Rings Cross Reference (Cont
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Parker O-Ring Handbook Section VII
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COMPOUND COMPATIBILITY RATING 1 - S
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Section VIII - Specifi cations 8.1
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Military Fluid Specifi cation Descr
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AMS (1) and NAS (2) Rubber Specifi
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Parker O-Ring Handbook Compound Sel
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Section IX Sizes Parker Series 2-XX
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Table 9-1: Parker Series 2-XXX O-Ri
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Parker O-Ring Handbook Parker Serie
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Page 257 and 258: Parker Seal also has the capability
Page 259 and 260: 10.3 Glossary of Seal and Rubber Te
Page 261 and 262: Flash: Excess rubber left around ru
Page 263 and 264: (b) REP (Roentgen equivalent-physic
Page 265 and 266: 10.4 Abbreviations ACM Polyacrylate
Page 267 and 268: Compound Shrinkage Class Compound N
Page 269 and 270: Table 10-8: Dimensions From Standar
Page 277 and 278: Parker O-Ring Handbook Dimensions F
Page 283 and 284: Appendix 10-32 Parker O-Ring Handbo
Page 285: Index — A — Abbreviations. . .
Page 289 and 290: Offer of Sale 1. Terms and Conditio
Page 291 and 292: Parker’s Total inPHorm Take the g
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