WCB Wafer check valve

Size Range: 2~24"(DN50~DN600)

Pressure: PN10, PN16, Class125

Body Materials: A105,304,316

Seat Materials: EPDM

Disc Materials: Ductile iron /SS304/ SS316

Stem Materials: 2cr13

Introduction

Product introduction
The wafer flange clamped butterfly check valve is a energy-save product.It is manufactured based the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining per-formance,high safety and reliability and low flow resistance.It is suitable for systems in the industries of petrochemical food processing,medicine,textile,paper-making.Water,supply,drainage,metallurgy,energy,and light industry,etc,used as a check valve in one way.

Featutes
1.Small in size,light in weight,compact in structure,easy in maintenance.
2.Two torsion springs are used excerting on each of the pair valve plates.Which close the plates quickly and automatically.
3.The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.
4.This valve is short in length,so that it is rigid and easy to mount.
5.It is easy to install on pipeline which is laid horizontally or vertically.
6.This valve is tightly sealed without leakage under the pressure water test.
7.Safe and reliable in operation,high interference-resistance.

Parameters

 Valve main parts and material

No Parts Name Materials
Body WCB LCB LCC WC6 WC9 CF8 CF8M CF3 CF3M
Bonnet WCB LCB LCC WC6 WC9 CF8 CF8M CF3 CF3M
Arm WCB LCB LCC WC6 WC9 CF8      
Gasket 150~600LB, STAINLESS STEEL WINDING GASKET
Bolt B7 L7M L7M B16 B16 B8 B8 B8 B8
Nut 2H 7M 7M 4 4 8 8 8 8
Standard 
Standard       
Design&Manufacture API 594 API6D JB/TB937
Face to face API594 DIN3202 JB/T8937
Pressre-Temperature ASME B16.34 DIN2401 GB/T9124
Pipe Flange JB/71-90 JB/T9112-9124                                  
 
PN Mpa SIZE(mm) L D D3 D2
1.6Mpa 40 60 96 46 41
50 60 109 56 51
65 67 129 73 65
80 73 144 88 80
100 73 164 108 102
125 86 194 132 127
150 98 220 160 152
200 127 275 210 203
250 146 332 266 254
300 181 387 310 305
350 184 447 355 350
400 191 498 405 400
450 203 558 455 450
500 219 618 505 500
600 222 732 605 600
700 305 802 700 695
800 305 912 800 796
900 368 1012 903 898
1000 432 1124 1055 1050
1200 524 1340 1200 1400
Application
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