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Butterfly valve
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Centric Constuction Bufferfly Valve

Product Description:

The turning center of the bufferfly plate is on the centerline of the valve body and the sealing face section of the bufferfly plate. In closing, the excircle sealing face of the bufferfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation on the seat to form an elastic force used as a sealing specific pressure so as to guarantee the tightness of the bufferfly valve.

Technical Specifications

Design standard: API 609、GB/T 12238、ISO 5752
Face to face standard: ASME B16.10、GB/T 12221
Flange ends: ASME B16.5、ASME B16.47、GB/T 9113
Fire safe design:API 6FA 、API 607
Pressure test:API 598、GB/T 13927

Product Specifications

Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 2"~24"(DN50~DN600)
Pressure range: Class150~300(PN10~PN50)
Working temperature:-46℃~+120℃
Operation:Wrench, worm gear, electric   , pneumatic
 

Design Features
Application

Small installation space, light weight, and maintenance friendly;
Good sealing effect and long service life;
Simple structure and small opening/closing torque;
Good flow adjusting ability, high precision of flow characteristic curve and good dynamic adjustment stability;
Leakage rate: ANSI B 16.104 Ⅵ;

 

Range of application: water system, electricity, petroleum, chemical industry, papermaking, metallurgy, aerospace and other industries 

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