Zhejiang Weiguang Valve Manufacturing Co., Ltd.
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Title:Ventilation butterfly valve
  • Address:Yahe West Road, Kungyang Town, Pinyang County, Wenzhou City,Zhejiang Province ,China
  • Code:325400
  • Phone:0577-63883000
Model: D341W - 1 c (or turbine, pneumatic, electric drive mode)
一、Product introduction

This butterfly valve is long life, energy-efficient butterfly valve products. Widely used in electric power, chemical industry, sulfuric acid and other industries to adjust gas flow in the pipeline.

1, the structure size is short, small volume, light weight, convenient operation;

2, with the shaft structure, butterfly plate the intensity is high, the flow area is large, small flow resistance, save energy;

3, butterfly plate sealing surface using cobalt-based carbide surfacing, sealing surface wear resistance, long service life;

二、Standards and specifications

Manufacturing standards

JB/T8527

The length of the structure

GB/T12221

Mating flange

JB/T74~90、HGJ44~76、GB/T9112~9131

Quality assurance

ISO9001

Pressure and temperature rating

GB/T9131、HGJ67、JB/T74

The test and verify

GB/T13927

Nominal diameter DN

40~4000mm

Nominal pressure PN

0.25-4.0Mpa

Test pressure

PS

Seal

1.1×PN

The intensity of

1.5×PN

Pressure of work

1.0×PN


三、The contour map

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