Spring-wide safety valve

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Spring-wide safety valve

Model: A28H-16
Nominal diameter: DN15 ~ 80mm
nominal pressure: PN1.6 ~ 10.0MPa
Operating temperature: ≤200 ℃
body material: steel, forged steel, stainless steel
for the media: air, steam, water, nitrogen and hydrogen mixture gas and other
applications: used in chemical, petrochemical, oil, paper, mining, electricity, gas, food, pharmaceutical, water supply and drainage, municipal, mechanical equipment, electronics industry, urban construction and other fields

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產(chǎn)品詳細(xì)

Product Overview:
A28H, A28Y spring-loaded safety valve for a variety of light and heavy industry and building pipelines. Safety valves are widely used in: chemical, petrochemical, petroleum, paper, mining, electricity, liquefied petroleum gas, food, pharmaceuticals, water supply and drainage, municipal services, machinery and equipment support, electronics industry, urban construction and other fields. A28H, A28Y spring all-purpose safety valve for operating temperature ≤ 200 ℃ air, steam, water, nitrogen and hydrogen mixture and other media equipment or piping, A28Y-P / 10R8 for operating temperature ≤ 200 ℃ corrosive Medium equipment or piping, as overpressure protection device.

product name	A28H, A28Y spring full safety valve
Product number	A28H, A28Y
Nominal diameter	DN15-80mm
Pressure range	1.6MPa-10.0MPa
Body material	Cast steel, forged steel, stainless steel

The main parts and materials:

NO.	Part Name	A28H material	A28Y-P material	A28Y-R8 material
1	Body	HT200	ZG1Cr18Ni9Ti	CF8M
2	Seat	35	ZG1Cr18Ni9Ti	CF8M
3	Adjustment ring	2Cr13	1Cr18Ni9Ti	316
4	Disc	2Cr13	1Cr18Ni9Ti	316
5	spring	50CrVA	50CrVA coated fluoroplastic	50CrVA coated fluoroplastic
6	Valve stem	2Cr13	2Cr13	316
7	Adjust the screw	45	2Cr13	316
8	Protective cover	ZG200-400	ZG200-400	CF8M
	Sealing surface material	Surfacing D507	Surfacing Co-based cemented carbide