acting directly on the cutting-off member

Full Title

Safety valves; Equalising valves, > Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36) > actuated by the difference of pressure between two places in the flow line > acting directly on the cutting-off member

Child Classifications

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• F16K 17/26 operating in either direction
• F16K 17/28 operating in one direction only