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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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Product 
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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Products

Globe valve

J21H/W type external threaded steel globe valve

Number of views:

1000

J21H/W type external threaded steel globe valve

Retail price

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Number of views:

1000

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服务热线010-8928 3399

【Product description】

J21H, J21W type PN25, PN40 external threaded globe valve: manual, external threaded connection form, straight-through structure, seat sealing surface material is stainless steel, working pressure 2.5~4.0MPa, nominal size DN6~DN20, valve body material is carbon steel (J21H), stainless steel (J21W), suitable for water, steam, oil (J21H) and weakly corrosive, corrosive (J21W) medium pipelines.

J21H, J21W type PN25 PN40 external thread globe valve, the connection between the pipeline and the valve body adopts external thread live connection type, also known as external thread needle valve, external thread needle valve, is one of the most used valves in electric power, electrical, mechanical and electrical equipment engineering, and electronic control equipment engineering.Because of its convenient installation, reasonable manufacturing, and simple economy, it is widely used in pipelines such as power engineering.

【Product performance parameters】

Main performance parameters of J21H, J21W PN25 PN40 external thread globe valve
Model number	PN	Working pressure/ MPa	Applicable temperature/ ℃	Applicable media
J21H-25	25	2.5	≤ 425	Water, steam, oil
J21H-40	40	4.0	≤ 425	Water, steam, oil
J21W-25P	25	2.5	≤ 150	Weakly corrosive media
J21W-40P	40	4.0		Weakly corrosive media
J21W-25R	25	2.5		Corrosive media
J21W-40R	40	4.0		Corrosive media

【Product parts and materials】

J21H, J21W type PN25 PN40 external thread globe valve parts and materials
Model number	Material
	Valve body, valve cover	Valve stem	Sealing surface	Packing
J21H-25	Carbon steel	Chrome stainless steel	Chrome stainless steel	Flexible graphite
J21H-40
J21W-25P	Chrome-nickel-titanium stainless steel	Chrome-nickel-titanium stainless steel	Chrome-nickel-titanium stainless steel	PTFE
J21W-40P
J21W-25R
J21W-40R