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Double eccentric high performance butterfly valve
VGZ Double eccentric high performance butterfly valve
Describe：
For the double-eccentricity butterfly valve, when the butterfly plate rotates from 0° to 8°-12°, the butterfly plate sealing face will break away from the valve seat sealing face completely, thus reducing the mechanical abrasion and the extrusion corner travel during opening or closing the butterfly valve. With the reduction of mechanical abrasion and extrusion, the sealing performance and service life of the butterfly valve will be improved greatly.
Design features：
Design criteria: API 609, ASME B16.34, GB/T 12238
Small assembly space, light weight and easy maintenance
Good sealing effect and long service life
Lightweight structure, small torque
Soft Seal Design
Leakage grade: ANSI B 16.104VI
Product Range：
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 2"～60"（DN50~DN1500）
Pressure range: Class150～600（PN10~PN100）
End connection: RF, RTJ
Working temperature:-46℃～+300℃
Operation: wrench, worm gear, electric, etc.
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