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Improvement of Complex Gas Circuit of Shutoff Valve
Author(s): 
Pages: 29-34
Year: Issue:  3
Journal: Techno-Economics in Petrochemicals

Keyword:  shutoff valvefail -safe typesafety classimprovement;
Abstract: The working principle of complex gas circuit of shutoff valve was studied.The various possible abnormal situations were analyzed.In order to ensure shutoff valve meeting requirements of fail -safe type,improving measures were raised to increase the safety class of shutoff valve and the security of plant,which provided safeguard for safe and stable operation of plant.
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