Vent screw check valve brass 28042-30012
- Opening pressure 0.3 bar
Sales unit
€3.92
plus sales tax
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Designation
Vent screw
Version 1
check valve
Version 2
without dipstick
Main
material
brass
D1=Thread
G1/2
D=outside diameter
30
Kind of fastening
screw in
L
24,5
L1
8,5
SW
27
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 1 cancer & reproductive toxicity
lead and lead compounds
~ CP65 substance 2 cancer
nickel (metallic)
~ PFAS free?
not yet identified
~ REACH SVHC-free?
no
~ REACh SVHC 1 name > threshold
lead
~ RoHS conformity
yes, with exemption
~ RoHS exemption/s
III/6c
~ TSCA 6(H) conformity
yes
Description
Material
Housing and cap brass.
Spring stainless steel.
Lift disc brass.
O-ring NBR.
Spring stainless steel.
Lift disc brass.
O-ring NBR.
Version
Flat seal asbestos-free.
Note
Opening pressure 0.35 bar (±0,05).
Function principle
See 28038 vent screws with check valve.
Drawing reference
1) flat seal
2) O-ring
3) lift disc
4) vent hole 2x
5) cap
2) O-ring
3) lift disc
4) vent hole 2x
5) cap
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