Fluid handling – With repair – tapping – assembly – or disassembly means – Removable valve with normally disabled supplemental check valve
Patent
1976-07-19
1978-01-10
Weakley, Harold W.
Fluid handling
With repair, tapping, assembly, or disassembly means
Removable valve with normally disabled supplemental check valve
137458, 137613, 1374545, F16K 4300
Patent
active
040673545
ABSTRACT:
There is disclosed herein a gas pressure regulator having valve means for stopping the flow of gas downstream through the regulator when the pressure of the incoming gas is higher or lower than predetermined acceptable values even though acceptable pressure is subsequently restored, and manually operated means for resetting the valve means after it is determined that the pressure of the gas flowing to the inlet of the regulator has returned to said predetermined acceptable values, provision being made for maintaining a high pressure shutoff valve closed even though pressure of gas in the regulator returns to acceptable pressure by manually operable means not accessible to inexperienced persons.
REFERENCES:
patent: 3809108 (1974-05-01), Hughes
patent: 3971410 (1976-07-01), St. Clair
Johnson Arthur A.
Textron Inc.
Weakley Harold W.
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