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About

Beijing Valve General Factory Co., Ltd., formerly known as Beijing Valve General Factory, was established in 1952. It is a key backbone enterprise of the former Ministry of Machinery Industry manufacturing high and medium pressure valves and steam traps.
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News 
News

Beijing Valve General Factory Co., Ltd. is a member of the material supply network of large enterprises such as China National Petroleum Corporation, China Petrochemical Corporation, and State Electric Power Corporation.
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- Company news
- Industry news
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Product

It has been rated as a famous trademark of Beijing since 2009, and has won the “National High-tech Enterprise Certificate” for seven consecutive years.
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Technical 
Technical

The vice chairman unit of the National Valve Industry Association and a member unit of the National Quality Inspection Association.Obtained a municipal valve R&D center institution.
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Application 
Application

The product varieties of Beijing Valve Factory include various types of steam trap valves, liquefied petroleum gas gate valves, globe valves, ball valves, check valves, butterfly valves, high temperature...
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- Domestic performance
- Foreign performance
Careers 
Careers

There is currently 1 pressure pipeline expert committee member of the State Administration of Market Supervision and Administration.One member of the National Valve Standardization Technical Committee is responsible for the review of valve standards.
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- Recruitment position
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波纹管平衡式安全阀

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1000

波纹管平衡式安全阀

波纹管平衡式安全阀，WA42H型波纹管平衡式安全阀适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上，作为超压保护装置。

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服务热线010-8928 3399

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　　产品说明：

　　波纹管平衡式安全阀，WA42H型波纹管平衡式安全阀适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上，作为超压保护装置。连接法兰标准≤4MPa采用JB/T6……94系列1。>4MPa采用JB/T……94系列2标准。

　　WA42H型波纹管平衡式安全阀主要零部件材料：

NO.	零件名称	WA42Y-C型材料	WA42Y-P型材料	WA42Y-R型材料
1	阀体	WCB	ZG1Cr18Ni8Ti,304	CF8M
2	阀座	2Cr13	1Cr18Ni8Ti	316
3	调节圈	2Cr13	1Cr18Ni8Ti	0Cr18Ni12Mo2Ti
4	阀瓣	2Cr13	1Cr18Ni8Ti	316
5	反冲盘	2Cr13	1Cr18Ni8Ti	316
6	波纹管	304	304	316
7	导向套	2Cr13	1Cr18Ni8Ti	0Cr18Ni12Mo2Ti
8	阀盖	ZG230-450	ZG230-450	ZG230-450
9	弹簧	50CrVA	50CrVA包覆氟塑料	50CrVA包覆氟塑料