TVT Butterfly valve

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Metal-sealing flange butterfly valve

产品名称:Metal-sealing flange butterfly valve

产品参数:
产品介绍

Introduction

 

This kind of valveis for the use of open/close or adjusting medium flow, and it not onlyapplicable to pure medium pipeline such as food, beverage, pharmaceutical,chemical pipeline but also applicable to industrial environmental protection,water treatment, high building, water supply and drainage pipeline.

 

Execution standard

 

1.    Test:GB/T13927 “General valve pressure test”

2.    Sideflange connection: GB/T9113GB/T9115

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

The material of major parts 

Name

Material

Body

HT250,WCB,ZG1Cr18Ni9Ti,12CrMoV, ZG1Cr18Ni12Mo2Ti

Valve plate

QT500-7,WCB, ZG1Cr18Ni9Ti, 12CrMoV, ZG1Cr18Ni12Mo2Ti

Valve stem

2Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti

Seal ring

1Cr18Ni9Ti,304,316

Packing

Flexible graphite


performance specification

Nominal pressure PN(MPa)

Nominal diameter DN(MM)

Test pressure (MPa)

Suitable temperature °C

Applicable medium

Shell

Seal

50~2000

1.0

1.5

1.1

300

Water steam oil seawater acids

50~1200

1.6

2.4

1.76

300

50~1000

2.5

3.75

2.75

300

50~500

4.0

6.0

4.4

300


The main size and weight