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28042

Vent screws brass with check valve

  • Opening pressure 0.3 bar
Special features:

from £2.02

plus sales tax

Description

Material
Housing and cap brass.
Spring stainless steel.
Lift disc aluminium.
O-ring rubber (NBR).
Version
Flat seal asbestos-free.
Note
Opening pressure 0.3 bar (±0.1).
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