Dual-valve isolation
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Is it necessary to use a dual-valve setup in front of high-pressure natural gas equipment? What are the principles behind this arrangement, and how should it be implemented? Those who have knowledge on this topic, please reply. Thank you
An exhaust valve is placed between the two valves, acting as a detachable short pipe that effectively prevents cross-contamination of materials.
Reply to 1# zhigong1978: Same question! ! ! ! ! ! ! ! ! ! ! ! !