CH567680A5CH312074ACH312074ACH567680A5CH 567680 A5CH567680 A5CH 567680A5CH 312074 ACH312074 ACH 312074ACH 312074 ACH312074 ACH 312074ACH 567680 A5CH567680 A5CH 567680A5
Authority
CH
Switzerland
Application number
CH312074A
Original Assignee
Jassmann Walter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19732315017external-prioritypatent/DE2315017C3/de
Application filed by Jassmann WalterfiledCriticalJassmann Walter
Publication of CH567680A5publicationCriticalpatent/CH567680A5/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve