A21F、A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc, medium what the working temperature are less than 200℃.A21 W-P, R type are used for the equipment and pipeline fo the quality with corrode gas and liquid medium whatthe working temperature are less than 200℃.Take for extra pressure protection devices.
KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100℃.
Series
A21F-16C、A21H-16C、A21H-40、A21H-64、A21Y-100、A21H-160
A21W-16P、A21W-40P、A21F-40P、A21W-64P、A21W-100P、
A21W-160P
A21Y-16R、A21Y-40R、A21Y-64R、A21Y-100R、A21Y-160R
KA21Y-16C、KA21Y-16P
Note: Types and Specifications of Safety devices need to be calculated and selected according to the specific working conditions of the protected equipments and systems before quotations.
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Use
A21F、A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc, medium what the working temperature are less than 200℃.A21 W-P, R type are used for the equipment and pipeline fo the quality with corrode gas and liquid medium whatthe working temperature are less than 200℃.Take for extra pressure protection devices.
KA21Y type are used for liquefied petroleum gas what the working temperature are less tan 100℃.
Main Parts and Materials
Main External Dimensions
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