FIELD: transport.
SUBSTANCE: invention relates to pressure-bypass valve for, in particular, truck air-conditioning system. Proposed valve 30 comprises valve box 18, cover 19, valve inlet 4, first valve opening 7, piston 10, bypass valve seat b1 and pressure valve seat 2. Adjusting spring 11 allows adjustment of open/close pressure for both bypass valve seat 1 and pressure valve set 2.
EFFECT: simplified design, decreased overall dimensions and unified design.
10 cl, 9 dwg
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