The wrench sealed spring safety valve is designed according to standards such as GB/T 12241, GB/T 12243, API 520, API 526, API 527, ASME VIII, etc., and achieves the opening pressure of the valve by compressing the alloy steel spring; The fully enclosed design prevents medium leakage and is widely used in equipment pipelines in industries such as petroleum, natural gas, and chemical. The spring-loaded fully open safety valve with a wrench not only has accurate set pressure, but also stable reseating, effectively protecting pressure equipment pipelines.
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