GYD342X, GYD342H double eccentric flange butterfly valve execution standard

Design and Manufacturing: AWWA-C540-80 and GB/T12238,

Structural length: GB12221-89 basic series 13,

Flange: GB/T17241.2,

Pressure test: GB13927-1992

GYD342X, GYD342H Double Eccentric Flange Butterfly Valve Product Introduction

This valve is soft sealedSealing butterfly valveIt plays a role in opening/closing/regulating the flow rate of media and is suitable for water, electricity, steel, paper, chemical, catering and other factory water supply and drainage systems.

GYD342X, GYD342H Double Eccentric Flange Butterfly Valve Product Structure and Working Principle

This valve is mainly composed of valve body, butterfly plate, valve shaft, valve body sealing ring, butterfly plate sealing ring, worm gear transmission device and other components. The sealing structure adopts body spraying and rubber pairing (X) or stainless steel and rubber pairing (XH). The butterfly plate is driven to rotate 90 ° by the transmission device to achieve valve opening/closing/flow regulation.