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Forged Check Valves

Pistion Check Valves

Pistion Check Valves

Size range(s)
NPS 1/2 - 4 (DN 15 - 100)
Pressure rating
ASME Classes 1690 - 4500
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Features and benefits

● 

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● Size range(s)

● NPS 1/2 - 4 (DN 15 - 100)

● Pressure rating

● ASME Classes 1690 - 4500

● Standard connections

● Threaded, socket weld, butt weld


Features and benefits

● Solid CoCr alloy disc, fully guided for fast and full seating, even without spring.
● High Cv.
● Self-draining waterways. 

 

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Flanged End Check Valve 150Lb~600Lb           Standard Material Specifications


NO.

Part Name

CS to ASTM

AS to ASTM

SS to ASTM

Type A105

Type F22

Type F304(L)

Type F316(L)

1

Body

A105

A182 F22

A182 F304(L)

A182 F316(L)

2

Nameplate

SS

3

Piston Disc

A276 420

A276 304

A276 304(L)

A276 316(L)

4

Bonnet

A105

A182 F22

A182 F304(L)

A182 F316(L)

5

Gasket

Corrugated SS + graphite

SS + PTFE

6

Bolt

A193 B7

A193 B16

A193 B8

A193 B8(M)

Suitable Medium

W.O.G. etc

W.O.G. etc

HNO3,CH3OOH etc

Suitable Temperature

-29 425 

-29 550 

-29 180 

Note: Other materials are available upon  request.


Dimensions (mm) and Weights (Kg)



     NPS

1/2

3/4

1

1-1/4

1-1/2

2

L(RF)L1(BW)

150

108

117

127

140

165

203

300

152

178

203

216

229

267

600

165

190

216

229

241

292

H

150,300

61

61

79

95

103

118

600

61

79

95

103

118

135

Weights

150

RF

2.56

3.37

4.37

8.17

8.94

12.64

BW

1.70

1.90

2.10

5.12

5.50

7.89

300

RF

2.73

3.65

4.74

8.77

9.60

13.70

BW

1.90

2.10

3.00

5.12

6.60

7.85

600

RF

3.00

4.00

5.83

9.47

10.10

15.6

BW

2.00

3.12

4.25

7.25

8.56

13.60



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