OEMic

Forged Check Valves

 

1/4” - 2” Forged Check Valve Class 800

OEMic Forged Check Valves are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite, Ring joint gasket are also available on request. The second design is the Welded Bonnet, with a threaded and seal welded joint. On request, a full penetration strength welded joint is available. The third design is the Pressure Seal Bonnet, with a threaded and pressure seal bonnet joint.
The check valve is also available in three different design configurations. These are piston check, ball check, or swing check designs.

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How To Order

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Features:   

Full Port or Regular Port
Piston Check

Ball Check

Swing Check
Spring available upon request

Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
Socket weld ends to ASME B16.11
Screwed ends (NPT) to ANSI/ASME B1.20.1

Design construction and specifications conform to MSS-SP-118 and ASME B 16.34. Each is tested according to API598, and marking is per MSS SP-25

 

 

 

 

   

 

Materials

Body / Bonnet Materials

OEMic Material Designation*

Common Designation

ASTM Specification

Standard OEMic Trim No.**

Suitable Temp (°F)

1F

Carbon Steel

A105

A2

-20~800

1G

Low Temp Carbon Steel

A350 LF2

A2

-50~650

3E

Alloy Steel

A182 F5

A2

-20~1000

3F

A182 F11

A2

-20~1100

3G

A182 F22

A2

-20~1050

2G

Stainless Steel

A182 F304

C3

-20~1000

2I

A182 F304L

C6

-20~1000

2F

A182 F316

B3

-20~1000

2H

A182 F316L

B6

-20~1000

Note: *Other materials are available upon request.

           ** For Standard OEMic Trim No., see How To Order.

 

Piston Check Valve

Dimensions (in) and Weights (lb)

NPS

Regular

¼

3/8

½

¾

1

1 ¼

1 ½

2

 

Full

-

-

3/8

½

¾

1

1 ¾

1 ½

2

L

3.11

3.11

3.11

3.62

4.37

4.72

5.98

6.77

7.87

H

2.40

2.40

2.40

2.56

3.11

3.74

4.06

4.65

5.20

Weights

Bolted

3.3

3.1

2.6

3.3

6.8

8.6

12.3

19.6

27.5

Welded

2.6

2.4

2.2

2.6

6.4

7.3

10.8

17.8

24.0

 

Dimensions (mm) and Weights (Kg)

DN

Regular

8

10

15

20

25

32

40

50

 

Full

-

-

10

15

20

25

32

40

50

L

79

79

79

92

111

120

152

172

200

H

61

61

61

65

79

95

103

118

132

Weights

Bolted

1.5

1.4

1.2

1.5

3.1

3.9

5.6

8.9

12.5

Welded

1.2

1.1

1.0

1.2

2.9

3.3

4.9

8.1

10.9

 

Swing Check Valve

Dimensions (in) and Weights (lb)

NPS

Regular

¼

3/8

½

¾

1

1 ¼

1 ½

2

 

Full

-

-

3/8

½

¾

1

1 ¾

1 ½

2

L

3.11

3.11

3.11

3.62

4.37

4.72

4.72

5.51

6.69

H

2.40

2.40

2.40