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Features

Product Overview

The range can be engineered to suit your application, with body construction, material, and ancillary features optimised to meet your process needs. Being ISO 9001 certified, we adopt systematic ways to ensure high quality, you can be assured of outstanding reliability and sealing performance through the design life of your asset.

Technical Requirement

· Valve fully opened:
①Too large a differential pressure and a low downstream pressure may result in damage to the valve by cavitation.
②To avoid it, refer to the differential pressure in two or more stages by installing and connecting directly two or more control valves in tandem.

Specification

Part Name Material
Membrane Reinforced NBR
Drain cock on top cap Brass
(PN16) High pressure top cap Cast iron
Nuts, bolts screws Stainless steel
Replaceable streamlined seat Bronze
Body drain plug Brass
Reversible seat seal NBR
(PN16) High pressure body Cast iron
Holes for pressure gauges

Dimensions Data

Main Valve

DN

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

H
mm

Z
mm

40

237

240

160

169.90

167

16

42

254

50

243

240

160

169.9

167

16

42

254

65

276

255

160

169.90

192

18

42

254

80

276

255

160

169.9

200

18

42

254

100

306

315

205

205

233

24

42

254

125

416

370

240

279.5

250

25

42

254

150

416

380

240

279.5

283

26

42

254

200

520

490

330

363

345

28

42

254

250

755

69o

490

479.5

410

33

42

254

300

764

720

490

693

480

34

42

254


The same main valve structure is used for all types of control valve.

We suggest extending the exhaust tube to places where the relief water will not pouufe the surrounding or damage other devices, especially electrical apparatus.





Back Pressure Valve (SCT301)


 Part No.

Name

Material

 

 A

 Main ball

Cast iron. Ductile iron

B

Ball

Brass

B1

Ball

Brass

C

Exhaust valve

Brass

 D

Ball

Brass

G

Filter

Brass

 H

Reducing orifice

Stainless steel

I

 Throttle valve

 Brass, stainless steel

  Q

Priority valve

Stainless steel

 

Vertical installation spring assembly (optional)

Stainless steel

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