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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. It has a history of producing various types of valves for more than 70 years.
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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...
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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

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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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...
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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...
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北京总部:
北京市大兴区庞各庄镇绿海路3号

生产基地:
河北省邯郸市成安县聚良大道北8号

南方区域: 18800004070

北方区域: 13811335563

防伪查询: 18811039510

邮箱：bvmcvv@163.com

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首页>Product>Check valve> HC42X/T/H silent check valve

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HC42X/T/H silent check valve

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【Product use】

HC42X, HC42T, HC42H PN10~PN25 silent check valves are suitable for water supply, drainage, fire protection, and hvac systems, and can be installed at the outlet of the water pump to prevent backflow of media and damage to the pump by the water hammer.

【Product features】

HC42X, HC42T, HC42H type PN10~PN25 silent check valve internal flow channel adopts a streamlined design, the pressure loss is very small, the disc opening and closing stroke is very short, and it can be quickly closed when the pump is stopped to prevent the huge sound of water hammer and form a silent effect.

【Main parts and materials】

Part name	材料
Valve body	Cast iron, ductile iron, carbon steel
Conductive fluid	Cast iron, ductile iron, carbon steel
Valve seat	Bronze, chrome stainless steel
Valve disc	Bronze, chrome stainless steel
Axis	Bronze, chrome stainless steel
Spring	Stainless steel

Main shape and connection size

Model number	Nominal diameter	D1		D2		D3		N-ΦD		L
Model number	Nominal diameter	1.0MPa	1.6 MPa	1.0MPa	1.6 MPa	1.0MPa	1.6 MPa	1.0MPa	1.6 MPa	L
HC42X	DN300	370		400	410	460		12-13	12-28	181
	DN350	429		460	470	520		16-23	16-28	184
	DN400	480		515	525	580		16-28	16-31	191
	DN450	530		565	585	640		20-28	20-31	203
	DN500	582		620	650	715		20-28	20-34	219
	DN600	682		725	770	810	840	20-31	20-37	222
	DN700	794		840	840	895	910	24-31	24-37	280
	DN800	901		950	950	1015	1025	24-34	24-40	356
	DN900	1001		1050	1050	1125	1125	28-40	28-40	368
	DN1000	1112		1160	1170	1230	1255	28-43	28-43	432
	DN1200			1380	1390	1455	1485	32-49	32-49	524