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Designation
Vent Screw
Version 1
check valve
Version 2
with dipstick
Body material
thermoplastic
D1=Thread
G1/2
D=Outside diameter
30
Fastening type
screw in
L
21
L1
10

Description

Material
Housing and cap thermoplastic polyamide.
Spring stainless steel.
Dipstick zinc.
Lift disc and seal rubber (NBR).
Version
Housing black.
Cap red.
Dipstick phosphated.
Note
Opening pressure 0.20 – 0.25 bar.
Temperature range
Temperature resistant with oil up to 100°C.
On request
Min-Max markings.
Drawing reference
1) flat seal
2) lift disc
3) cap
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