3 Way Pneumatic Diaphragm Control Valve

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Description

3 Way Pneumatic Diaphragm Control Valve:

 Type Three Way Pneumatic Diaphragm Control Valve
Nominal Diameter DN25~DN250(1”~10”)
Nominal Pressure PN16,25,40,64,100(150lb,300lb,600lb)
Flow Characteristic Equal Percentage,Linear
  Rangeability 50:1
Up Bonnet From Standard Type:Cast Steel :-20~250℃,Stainless Steel:-40~250℃
Fin-Extension Type:Cast Steel:-29~425℃   Stainless Steel:-40~450℃
Seat Leakage Soft Sealing

Main Parts and Materials:  

Item

Part Name

Material

1

Body

WCB

WC6

CF8

CF8M

2

Seat

304,316/Partial Stellite

316/Partial Stellite

3

Plug

Metal Sealing

304,316/Partial Stellite

316/Partial Stellite

Soft Sealing

304,316+PTFE

316+PTFE

4

Cage

304,316

316

5

Guide Sleeve

304,316

316

6

Stem

304,316

316

7

Bonnet

WCB

WC6

CF8

CF8M

8

Balanced Piston

HT200,Al

9

Balanced Piston Ring

Fluorine Rubber,SS+Reinforced PTFE,Flexible Graphite Ring

                                                   

Seat Diameter DN(mm)

25

32

40

50

65

80

100

125

150

200

250

Rated Kv

8.5

13

21

34

53

85

135

210

340

535

800

 

Additional information

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