• Cast iron Back Pressure Control Valve
Cast iron Back Pressure Control Valve

The maximum temperature: 90 C

Flange type: if not specified pressure is 16bar

Screw type: 1'1/2 F/F

Tel: +86-532-66952179/66952180

E-mail: info@qdiflow.com

Description

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

Qingdao I-Flow Co., Ltd

                    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                      

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

690

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

Qingdao I-Flow Co., Ltd

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

         

     

Related Products

Inquiry

Submit