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H71 Wafer Check Valve

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H71 Wafer Check Valve

The H71 Wafer Check Valve is an ultra-thin, flange-mounted unidirectional valve that features no independent body flanges; instead, it is secured directly by being sandwiched between two pipeline flanges. Designed with a core focus on ultra-compact installation, low flow resistance, and adaptability across multiple pipe diameters, it balances ease of installation with suitability for diverse operating conditions, making it the preferred choice for small-bore pipelines or applications with limited space.

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Design Features:
ASME B16.34, API 594
Test & inspection:
GB/T 13927-2016, API 598


Main parts and materials

ITEM PART MAIN MATERIAL
1  Body CF8 CF3 CF8M CF3M WCB
2  Disc CF8 CF3 CF8M CF3M WCB
3  Pressure Ring CF8 CF3 CF8M CF3M WCB
4  Spring Washer Stainless Steel

Main dimensions(PN16-PN25)

DN L D D1 D3 D2
15  28  49  15  44  25 
20  28  49  19  52  30 
25  28  67  24  60  36 
32  31  75  31  72  43 
40  35  86  39  74  52 
50  39  100  48  98  62 
65  54  115  63  117  75 
80  58  135  78  128  90 
100  68  154  98  / 112 
125  85  185  123  / 132 
150  100  212  148  / 158 
200  110  270  198  / 208 
250  122  327  248  / 258 

 The dimensions above are for reference only.


Zhongchi Valve Group Co., Ltd. was established in April 2008. The company is a valve manufacturing enterprise that integrates design, development, production, and sales. It is located in the Binhai Industrial Park of Wenzhou Economic and Technological Development Zone.
The company adheres to the corporate tenet of "quality-oriented, innovation-driven, management-efficient, and service-focused", and upholds the business philosophy of "service-oriented and integrity-abiding". We provide customers with reliable quality assurance through advanced technology and scientific management, offers services with a complete range of products and a short delivery time, and strives to achieve the corporate goal of "building an excellent enterprise and creating a brand in the industry". The company has successively obtained ISO9001 international quality management system certification, ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification, special equipment manufacturing production license TS certification, CE certification, EAC certification, API607 fire protection certification, and has been recognized as a small and medium-sized technology enterprise in Zhejiang Province and a national high-tech enterprise.
The company's main products include ball valves, gate valves, globe valves, check valves, filters, butterfly valves, etc. These products are widely used in various industries such as petroleum, chemical, natural gas, light industry, electric power, pharmaceuticals, dyes, metallurgy, fiber, leather making, textile, food, military, construction engineering, refrigeration, water supply, and more.

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About Us
Zhongchi Valve Group Co., Ltd.
Zhongchi Valve Group Co., Ltd. was established in April 2008. The company is a valve manufacturing enterprise that integrates design, development, production, and sales. It is located in the Binhai Industrial Park of Wenzhou Economic and Technological Development Zone.
The company adheres to the corporate tenet of "quality-oriented, innovation-driven, management-efficient, and service-focused", and upholds the business philosophy of "service-oriented and integrity-abiding". We provide customers with reliable quality assurance through advanced technology and scientific management, offers services with a complete range of products and a short delivery time, and strives to achieve the corporate goal of "building an excellent enterprise and creating a brand in the industry". The company has successively obtained ISO9001 international quality management system certification, ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification, special equipment manufacturing production license TS certification, CE certification, EAC certification, API607 fire protection certification, and has been recognized as a small and medium-sized technology enterprise in Zhejiang Province and a national high-tech enterprise.
The company's main products include ball valves, gate valves, globe valves, check valves, filters, butterfly valves, etc. These products are widely used in various industries such as petroleum, chemical, natural gas, light industry, electric power, pharmaceuticals, dyes, metallurgy, fiber, leather making, textile, food, military, construction engineering, refrigeration, water supply, and more.
Certificate Of Honor
  • Occupational Health and Safety Management System Certification
  • Environmental Management System Certification
  • Quality Management System Certification
  • API 607 certification
  • CE marking
  • EAC certification
  • TS certificate
  • Certificate for Technology-Based Small and Medium-Sized Enterprises
  • Ball Valve Type Test Certificate
  • Type Test Certificate for Gate Valves
  • Type Test Certificate for Globe Valves
  • Certificate of Type Testing for Check Valves
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