Cast Steel Swing Check Valves 150lb - 2500lb

Features

  • Seal-welded seats
  • Bosses for taps & bypass
  • Graphite packing
  • Fugitive emission tested
  • NACE MR-01-75

Options

  • Alternate Trims
  • Outside Lever & weight
  • Pressure Seal design

Standards

  • BS1868
  • ANSI B16.34
  • ANSI B16.10
  • ANSI B16.5
  • ANSI B16.25
  • ANSI B16.47
  • API-598
  • MSS SP-25
  • API 594 (7th Ed.)
  • API 594 (8th Ed.)

Download Drawings

Drawings are based on most recent revisions and are subject to change without notice.

Flanged (API Trim 8)

Flanged (API Trim 12)

Butt Weld

150 LB
Dimensions: inches (millimeters)

Sizes L / L1 H
2"8 (203)5-1/2 (140)
2-1/2"8-1/2 (216)6-1/4 (159)
3"9-1/2 (241)6-7/8 (174)
4"11-1/2 (292)8-1/8 (206)
5"13 (330)9 (229)
6"14 (356)9-7/8 (251)
8"19-1/2 (495)11-5/8 (295)
10"24-1/2 (622)13 (330)
12"27-1/2 (699)14-7/8 (378)
14"31 (787)15-7/8 (403)
16"34 (864)18-1/4 (463)
18"38-1/2 (978)22 (559)
20"38-1/2 (978)24 (610)
24"51 (1295)28-1/2 (724)
30"60 (1524)32 (813)
36"77 (1956)34 (864)

300 LB
Dimensions: inches (millimeters)

Sizes L / L1 H
2"10-1/2 (267)6-3/8 (162)
2-1/2"11-1/2 (292)7-1/2 (190)
3"12-1/2 (318)7-7/8 (200)
4"14 (356)9 (229)
6"17-1/2 (445)11 (279)
8"21 (533)12-5/8 (321)
10"24-1/2 (622)15 (381)
12"28 (711)17-1/8 (435)
14"33 (838)20 (508)
16"34 (864)20-1/2 (521)
18"38-1/2 (978)22-1/2 (571)
20"40 (1016)25 (635)
24"53 (1346)29 (737)

600 LB
Dimensions: inches (millimeters)

Sizes L / L1 H
2"11-1/2 (292)7-3/8 (187)
2-1/2"13 (330)7-7/8 (200)
3"14 (356)8-1/4 (210)
4"17 (432)10-1/4 (260)
6"22 (559)13 (330)
8"26 (660)17 (432)
10"31 (787)19 (483)
12"33 (838)20 (508)
14"35 (889)22-1/2 (572)
16"39 (991)26 (660)
18"43 (1092)28 (711)
20"47 (1194)31 (787)
24"55 (1397)34 (864)

900 LB
Dimensions: inches (millimeters)

Sizes L / L1 H
2"14-1/2 (368)9-1/4 (235)
3"15 (381)9-1/2 (241)
4"18 (457)11 (279)
6"24 (610)13-3/4 (349)
8"29 (737)18 (457)

1500 LB
Dimensions: inches (millimeters)

Sizes L / L1 H
2"14-1/2 (368)8-3/8 (213)
3"18-1/2 (470)9-1/4 (235)
4"21-1/2 (546)11 (279)
6"27-3/4 (705)13-3/4 (349)
8"32-3/4 (832)18 (457)

2500 LB
Dimensions: inches (millimeters)

Sizes L / L1 H
2"17-3/4 (451)13 (330)
3"22-3/4 (578)16 (406)
4"26-1/2 (673)16 (406)
6"36 (914)23 (584)
8"40-1/4 (1022)28-1/2 (724)