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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
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

Ball valve

Q11F type three-piece internal thread ball valve

Number of views:

1000

Q11F type three-piece internal thread ball valve

Retail price

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元

Market price

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元

Number of views:

1000

Product serial number

Quantity

Stock:

服务热线010-8928 3399

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企业荣誉企业风采

Product introduction

Parameters

【Product use】

Q11F type PN16~PN63 three-piece internal thread ball valve is suitable for PN1.0~4.0MPa, working temperature -29~180℃ (the sealing ring is reinforced polytetrafluoroethylene) or -29~300℃ (the sealing ring is para-polyphenylene) on various pipelines, used to cut off or connect the media in the pipeline, different materials are selected, which can be applied to water, steam, oil, nitric acid, acetic acid and other media respectively.

Main parts and materials

Applicable media	Model number	Valve body	Sphere, valve stem	Handle	Sealing ring	Gasket, filler
Water, steam, oil	Q11F-16C、Q11F-25C Q11F-40C、Q11F-64C	A105、45	1Cr18/1Cr18Ni9Ti	Stainless steel SS304	Polytetrafluoroethylene PTFE reinforced POLYTETRAFLUOROETHYLENE VUILUK PTFE para-polyphenylene PPL	Polytetrafluoroethylene PTFE para-polyphenylene PPL
Nitric acid	Q11F-16P、Q11F-25P Q11F-40P、Q11F-64P	SS304/1Cr18Ni19Ti	SS304/1Cr18Ni9Ti
Acetic acid	Q11F-16R、Q11F-25R Q11F-40R、Q11F-64R	SS316/Cr18Ni12Mo2Ti	SS316/1Cr18Ni12Mo2Ti

Main shape and connection size

Nominal diameter	Pipe thread	Size（mm）						Weight WT（g）
Nominal diameter	Pipe thread	d	L	W	H	E	D	D
6	1/4″	8	60	110	56	11.5	30	320
10	3/8″	18	60	110	58	11.5	31	320
15	1/2″	10.5	60	110	58	14	32	350
20	3/4″	13	67.5	110	62	15	38	430
25	1″	17	73	110	68	15	45	570
32	1 1/4″	22	90	150	75	18	53.4	1000
40	1 1/2″	25	97.5	150	83	19	63	1550
50	2″	32	112	150	90	19	73	2170
65	2 1/2″	40	132	180	95	21	92	3625
80	3″	50	156	220	100	27	109	5800
100	4″	65	196	250	115	29	138	7200