Product Overview: Types A21F and A21H-C are suitable for air, ammonia and petroleum gas with working temperature less than 200 (?) Equipment or pipeline of equal medium. Type A21W-P and Type R are suitable for equipment or pipelines with corrosive gas or liquid at temperatures less than 200 (?)…
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Product Overview:
Types A21F and A21H-C are suitable for air, ammonia and petroleum gas with working temperature less than 200 (?) Equipment or pipeline of equal medium. Type A21W-P and Type R are suitable for equipment or pipelines with corrosive gas or liquid at temperatures less than 200 (?) C. They are used as overpressure protection devices. KA21Y is suitable for liquefied petroleum gas with temperature less than 100 C.