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forged steel check valve
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Forged steel flange piston check valve Series:Check Valve

Forged steel piston check valve

ZC Forged Steel Check Valves are available with bolted covers having spiral wound gaskets made of Stainless Steel/graphite. The check valves are available in Piston Check or Swing Check valve designs.

Check Valve Design and Specifications

ZC Forged Steel Check Valves conform to MSS-SP-118 and ASME B 16.34. Each valve is tested in accordance with API 598, and marked per MSS SP 25.

Construction

Available as Piston or Swing Check Valves

Bolted Cover

Conventional or full port

Socket Weld Ends to ASME B 16.11

Threaded Ends to ANSI/ASME B.1.20.1

Lift and Swing Check Valves for horizontal service only

Swing Check Valves offer higher Cv values

Guided Disc in valve body provides accurate sealing alignment

Welded Bonnet Check Valves are optional

 

 

Material List

¡¡

Item

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

Bonnet

A105

A182 F22

A182 F304(L)

A182 F316(L)¡¡

3

Disc

A276 420

A276 304

A276 304(L)

A276 316(L)

4

Nameplate

SS

5

Gasket

316+Flexible graphite 316+PTFE¡¡

6

Bolt

A193 B7

A193 B16

A193 B8

A193 B8M

Suitable medium

W.O.G etc

W.O.G etc

Nitric acid,Acetic acid etc¡¡¡¡

Suitable temperature

-29¡æ¡«425¡æ

-29¡æ¡«550¡æ

-29¡æ¡«180¡æ¡¡

Note:Other material are available upon request.

CS=Carbon steel;AS=Alloy steel;SS=Stainless steel;

¡¡

Size(MM)&Weight(KG)

NPS

1/2"

3/4"

1"

11/4"

11/2"

2"

L(RF)

150Lb

108

117

127

140

165

203

L1(BW)

300Lb

152

178

203

216

229

267

¡¡

600Lb

165

190

216

229

241

292

H

150Lb¡« 300Lb

61

61

79

95

103

118

600Lb

61

79

95

103

118

135

Weight

150Lb

RF

2.56

3.37

4.37

8.17

8.94

12.64

BW

1.7

190

2.1

5.12 >

5.50 >

1.89 >

300Lb

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 >

600Lb

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 >

 

Forged steel flange piston check valve 900LB-1500LB

Material List

Item

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

Bonnet

A105

A182 F22

A182 F304(L)

A182 F316(L)¡¡

3

Disc

A276 420

A276 304

A276 304(L)

A276 316(L)

4

Namplate

SS¡¡

5

Gasket

SS+Flexible graphite¡¡

6

Bolt

A193 B7

A193 B16

A193 B8(M)

A193 B8M¡¡

Suitable medium

W.O.G etc

W.O.G etc

Nitric acid,Acetic acid etc¡¡

Suitable temperature

-29¡æ¡«425¡æ

-29¡æ¡«550¡æ

-29¡æ¡«180¡æ

Note:Other material are available upon request.

CS=Carbon steel;AS=Alloy steel;SS=Stainless steel;

¡¡

Size(MM)&Weight(KG)

NPS

1/2"

3/4"

1"

11/4"

11/2"

2"

¡¡

L(RTJ)

216

229

254

279

305

371

¡¡

L1(BW)

216

229

254

279

305

368

¡¡

H

79

79

95

104

120

139

¡¡

Weight

RTJ

8.5

10.5

15.7

20.8

27.2

33

¡¡

BW

6.4

8

13.2

17.8

24.2

29.7


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E-mail: sales@zc-valve.com Tel£º+86-0577-67331552