Product Code: A21Y
Availability: In Stock
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Spring loaded Thread Safety Valve

A21H-C Type Spring loaded Thread Safety Valve is used for the equipment and pipeline of the air, ammonia, petroleum gas etc, with working temperature less than 200℃.
Stainless steel type is used for the equipment and pipeline of corrosive gas and liquid medium with working temperature less than 200℃.

Material List:

NO. Parts Name Material
(A21H-C/A21F)
Material
(WA42Y-P)
Material
(WA42Y-R)
1 Union 20 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
2 Union nut 35 2Cr13 1Cr18Ni9Ti
3 Nozzle 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
4 Body 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
5 Disc 2Cr13/2Cr13+PTFE 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE 1Cr18Ni12Mo2Ti
6 Spring washer 304 2Cr13 1Cr18Ni12Mo2Ti
7 Spring 50CrVA 50CrVA Coated PTFE 50CrVA Coated PTFE
8 Locking Nut Q235-A 2Cr13 1Cr18Ni9Ti
9 Spring Guide 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
10 Adjusting nut Q235-A 2Cr13 1Cr18Ni12Mo2Ti

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