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D373 Wafer Type Butterfly Valve

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D373 Wafer Type Butterfly Valve

Compared to flanged butterfly valves, the D373 wafer butterfly valve occupies less space and entails lower installation costs.

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Design Features:
Test & inspection:
GB/T 13927-2022 JB/T9092-1999



Main parts and materials

ITEM PART MAIN MATERIAL
1  Under cover F304 F304L F316 F316L WCB
2  Body CF8 CF3 CF8M CF3M WCB
3  Stem F304 F316L 2CR13
4  Disc CF8 CF3 CF8M CF3M WCB
5  Seat NBR/PTFE/SS+SS+Flexible Graphite
6  Packing Flexible Graphite
7  Gland Packing CF8 CF3 CF8M CF3M WCB
8  Ycke WCB
9  Stud B8 B7
10  Worm Gear nodular Cast Iron

Main dimensions(PN16)

DN L D D1 D2 n-Φd
50  43  102  125  102  4-Φ18
65  46  122  145  122  8-Φ18
80  49  135  160  138  8-Φ18
100  56  158  180  158  8-Φ18
125  64  185  210  188  8-Φ18
150  70  210  240  212  8-Φ22
200  71  265  295  268  12-Φ22
250  76  320  355  320  12-Φ26
300  83  370  410  378  12-Φ26
350  92  430  470  438  16-Φ26
400  102  482  525  490  16-Φ30
450  114  532  585  550  20-Φ30
500  127  585  650  610  20-Φ33
600  154  685  770  725  20-Φ36
700  165  800  840  795  24-Φ36
800  190  905  950  900  24-Φ39
900  203  1005  1050  1000  28-Φ39
1000  216  1110  1170  1115  28-Φ42

 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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