FIELD: safety fittings for pipe lines; pressure gas lines for emergency shutting-off in case of loss of tightness; ventilation systems of explosive production. SUBSTANCE: device has housing with inlet and outlet holes, shutoff and sensitive members mounted on this housing and made integral in form of branch pipe tightly secured as cantilever in outlet hole of housing for collapsing and shutting-off in emergency. EFFECT: simplified construction; reduced usage of metal; low cost enhanced operational reliability. 2 cl, 3 dwg
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Authors
Dates
1999-11-10—Published
1998-07-09—Filed