Frost-proof armature for e.g. irrigation system, has seal released from mounting hole in valve seat drilling in sealed condition of another seal, where latter seal is released from drilling in hole in sealed condition of former seal

摘要

The armature has a check valve (40) axially adjustable and including a seal (50) which corresponds with a valve seat drilling of a connection fitting (20). A connecting rod (90) includes a seal (97) which corresponds with a mounting hole of a head piece (70). The seal (97) is released from the mounting hole in the valve seat drilling in a sealed condition of the seal (50). The seal (50) is released from the valve seat drilling in sealed condition of the seal (97) in the mounting hole. A wall pipe (30) is clamped by a valve rod (55).