TVT Butterfly valve

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Manual metal-sealing wafer butterfly valve

产品名称:Manual metal-sealing wafer butterfly valve

产品参数:
产品介绍

Introduction

Manual metal-sealing wafer butterfly valve is triple eccentric structure metal-sealingwafer butterfly valve which developed by our company. This product is safe andreliable. It has advantages such as small coefficient of flow resistance, hightemperature resistance and be suitable for the corrosive medium. It can be usedas adjustment and cut-off device in different kinds of pipeline, just likesteam, hot water, water, oil, gas, natural gas and chemical corrosive medium.

 

Feature

1. Reasonabledesign, compact structure, quickly opening and closing

2. Using thestructure of triple eccentric metal composite cone Angle cutting, can achievezero leakage

3. Small opentorque, no friction rotation seal, long service life

4. Changing thematerials of body and seal ring can be adapted to different medium

5. Reasonable conewedge design to ensure uniform contact seal

 

Execution standard

1.    JB/T8527 “metal sealing butterfly valve”

2.    Sideflange connection: GB/T9115.1

3.    Structure length: GB/T12221" structure length of flange connection metal valve "


The material of major parts 

designation

material

Body

Cast steel, carbon steel, stainless steel

Valve plate

Cast steel, stainless steel

Seal ring

Stainless steel, stainless steel + graphite

Shaft

Stainless steel

Packing

PTFE, flexible graphite



Performance specification



Drive mode

Handle

worm gear operated

Handle

worm gear operated

Handle

worm gear operated

Applicable medium

Water, gas, oil

Nitric acid corrosion medium

Nitric acid corrosion medium

Pneumatic butterfly valve type

Insert "6" after the "D" in the corresponding manual butterfly valve typeE.g.: D673H-16C

Electric butterfly valve type

Insert "9" after the "D" in the corresponding manual butterfly valve typeE.g.: D973H-16C



The main size and weight