catalogue - Düker GmbH & Co KGaA

5 Gate
174
valves type 4004
with Novo-socket
resilient-seated for water and gas
Design features: Gate valve with a smooth straight-way, internal stem-thread and
non rising stem. Internal corrosion protection: enamel.
Resilient wedge is vulcanised with elastomer on all sides.
Countersunk and sealed screws between body and bonnet.
Option for Gate valve 4004:
• with hand-wheel
• with stem extension for underground installation – connection acc. to GW 336
Material: Ductile cast iron acc. to DIN EN 1563; stem: stainless steel;
Stem nut: special brass; rubber parts: elastomer in high quality.
Resilient wedge for water: EPDM
Resilient wedge for gas: NBR
Push-in socket: acc. to DIN 28 603 with Novo pre-chamber
( manufacturer’s standard )
Spigot: acc. to DIN EN 545
Face-to-face dimension: acc. to DIN EN 558–1, series 13
Field of application ( water up to 60°; gas acc. to G 260/l )
DN
80 —
300
PN
bar
10/16
Valves for water
test-medium water
bar
body seat
24 21
Valves for gas
test-medium test-medium
water
bar
air or nitrogen
body acc. to DIN 2470
24 ( DIN 3230, part 5 PG 1 )
Dimensions and weights ( Dimensions in mm )
DN
80
100
125
150
200
250
300
PN
16
16
16
16
16
16
16
h 1
270
295
330
373
462
648
723
ETE
114
127
140
140
152
165
178
a
17
19
19
19
24
27
27
Weight
in kg ≈
19
24
30
37,5
57
107
151
5175