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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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Products

Cryogenic valve

DH44Y type low temperature swing check valve

Number of views:

1000

DH44Y type low temperature swing check valve

Retail price

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元

Market price

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元

Number of views:

1000

Product serial number

Quantity

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服务热线010-8928 3399

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企业荣誉企业风采

Product introduction

Parameters

【Product use】

DH44Y type 150(Lb)~600(Lb) low temperature swing check valve is suitable for pipelines with one-way flow of media to prevent the return of media to prevent accidents.

Main shape and connection size

Nominal diameter		Size
mm	in	L	D	D1	D2	b	f	n-Φd	H
DH44Y-150Lb
50	2	203	152	120.5	92	16	1.6	4-19	180
80	3	241	192	152.5	127	19	1.6	4-19	190
100	4	297	229	190.5	157	24	1.6	8-19	203
125	5	330	254	216	186	24	1.6	8-22	229
150	6	356	279	241.5	216	26	1.6	8-22	257
200	8	495	342	298.5	270	29	1.6	8-22	292
250	10	622	406	362	324	31	1.6	12-25	355
300	12	698	483	432	381	32	1.6	12-25	396
DH44Y-300Lb
50	2	267	165	127	92	23	1.6	8-19	178
80	3	318	210	168.5	127	29	1.6	8-22	216
100	4	356	254	200	157	32	1.6	8-22	241
125	5	400	279	235	186	35	1.6	8-22	267
150	6	444	318	270	216	37	1.6	12-22	305
200	8	533	381	330	270	42	1.6	12-25	368
250	10	622	445	387	324	48	1.6	16-29	394
300	12	711	521	451	381	51	1.6	16-32	445
DH44Y-600Lb
50	2	295	165	127	92	33	6.4	8-19	203
80	3	359	210	168	127	36	6.4	8-22	235
100	4	435	273	216	157	45	6.4	8-25	286
125	5	511	330	266.5	186	52	6.4	8-29	292
150	6	562	356	292	216	55	6.4	12-29	330
200	8	664	419	349	270	63	6.4	12-32	381
250	10	791	510	432	324	71	6.4	16-35	457
300	12	842	559	489	381	74	6.4	20-35	584