API 602 Forged Swing / Piston Check Valve

API 602 Forged Swing / Piston Check Valve

Applicable Standards

• STEEL CHECK VALVES, API 602
• STEEL VALVES, ASME B16.34
• FACE TO FACE, MANUFACTURER STANDARD
• FACE TO FACE, FLANGED, ASME B16.10
• END FLANGES, ASME B16.5
• BUTT WELDING ENDS, ASME B16.25
• SOCKET-WELDING ENDS, ASME B16.11
• SCREWED ENDS, ASME B1.20.1
• INSPECTION AND TEST, API 598

Design Descriptions

• BOLTED COVER
• SEAT RINGS INTEGRAL WITH BODY OF LIFT
• HORIZONTAL OR VERTICAL SERVICE
• SOCKET-WELDING ENDS (SW), THREADED ENDS
• BUTTWELDING ENDS (BW), FLANGED ENDS
• CL 800 - 1500 Lb

Materials

Materials, Dimensions & Weights of API 602 Forged Swing / Piston Check Valve

No Part Name ASTM Materials
C-Si 16Cr-12Ni-2Mo 11/4Cr-1/2Mo-Si
1 Body A105 A182-F316 A182-F11
2 Cover A105 A182-F316 A182-F11
3 Disc A182-F6a A182-F316 A182-F6A+HF
4 Hinge A276-410 A276-316 A276-410
5 Seat A276-410 A182-F316 A276-410+HF
6 Gasket2) Graphite+304 Graphite+316 Graphite+304
7 Stud A193-B7 A193-B8M A193-B16

Note:
1) Lift type check valve seat ring integral with body.
2) Spiral wound construction.

Dimensions & Weights

NPS
DN
Unit L11) L (Flanged Ends) d SW SC H WT2)(kg)
150 Lb 300 Lb 600 Lb D B NPT S
3/8 in 3.12 4.00 6.00 6.50 0.354 0.693 0.378 3/8 0.540 2.40 3.8 / 2.8
10 mm 79 102 152 165 9 17.6 9.6 13.6 61
1/2 in 3.12 4.25 6.00 6.50 0.354 0.858 0.378 1/2 0.535 2.40 5.6 / 3.4
15 mm 79 108 152 165 10 21.8 9.6 13.6 61
3/4 in 3.62 4.62 7.00 7.50 0.512 1.067 0.500 3/4 0.547 2.40 7.8 / 4.7
20 mm 92 117 178 190 13 27.1 12.7 13.9 61
1 in 4.38 5.00 8.00 8.50 0.689 1.331 0.500 1 0.681 3.07 12.5 / 9.2
25 mm 111 127 203 216 17.5 33.8 12.7 17.3 78
11/4 in 4.75 5.50 8.50 9.00 0.906 1.677 0.500 1-1/4 0.709 3.31 17 / 10.5
32 mm 120 140 216 229 23 42.6 12.7 18 84
1l/2 in 4.75 6.50 9.00 9.50 1.142 1.917 0.500 1-1/2 0.724 10.25 23.5 / 13.3
40 mm 120 165 229 241 30 48.7 12.7 18.4 3.98
2 in 5.50 8.00 10.50 11.50 1.378 2.406 0.626 2 0.756 4.72 38.8 / 18.9
50 mm 140 203 267 292 35 61.1 15.9 19.2 120