A27H/Y Threaded Safety Valve

Product Category：THREADED SAFETY VALVE
Product Name：A27H/Y Threaded Safety Valve
Product Tag：A27H_Y safety relief valve
Update Date：2021/9/1 9:58:18
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Note: Our Products Can Be Customized According To Customers' Needs. In Addition To National Standards,We Can Design And Manufacture According To American Standards, Japanese Standards, German Standards, Russian Standards, British Standards And So On.

Brief introduction of springslightly lifted safety valve(A27H) (A27Y)

A27H type spring micro-opening safety valve is suitable for equipment or pipelines with water, air, steam and other media whose working temperature is ≤200℃. A27Y is suitable for equipment or pipelines with corrosive media at working temperature ≤200℃, as an overpressure protection device.

Material of main parts and components of A27H spring micro-lift safety valve:

NO.	Part Name	A27H material	A27W-P material	A27W-R material
1	Valve body	HT350	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
2	Valve seat	35	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti
3	Adjustment ring	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Disc	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	spring	50CrVA	50CrVA coated fluoroplastic	50CrVA coated fluoroplastic
6	Stem	2Cr13	2Cr13	1Cr18Ni9Ti
7	Adjusting screw	45	2Cr13	1Cr18Ni9Ti
8	Protective cover	ZG200-400	ZG200-400	1Cr18Ni9Ti
	Sealing surface material	"H" Surfacing D507	"Y" surfacing Co-based cemented carbide