Piston Valves

Forged Steel Flanged Piston Check Valves 150lb, 300lb, & 600lb

Features

  • Intergral or Welded Flanges
  • Two piece self aligning packing gland
  • Captured Graphite Spiral wound gasket
  • Integral backseat
  • Flange Dimensions ANSI B16.5
  • NACE MR-01-75

Options

  • Alternate Trims
  • Alternate Body Materials
  • Welded Seats

Standards

  • API-602
  • BS 5352
  • ANSI B16.34
  • API-598
  • MSS SP-25

150 LB

Dimensions and Weights inches/lbs (millimeters/kgs)
NPS 1/2 3/4 1 1 1/4 1 1/2 2
L4-1/4 (108)4-1/2 (117)5 (127)5-1/2 (140)6-1/2 (165)8 (203)
H 2-1/2 (62)2-1/2 (62)3 (78)3-1/4 (82)4 (102)4-3/4 (120)
Weight6.2 (2.8)7.7 (3.5)9.9 (4.5)18.5 (8.4)19.8 (9)27.7 (12.6)

300 LB

Dimensions and Weights inches/lbs (millimeters/kgs)
NPS 1/2 3/4 1 1 1/4 1 1/2 2
L6 (152)7 (178)8-1/2 (216)9 (229)9-1/2 (241)10-1/2 (267)
H 2-1/2 (62)2-1/2 (62)3 (78)3-1/4 (82)4 (102)4-3/4 (120)
Weight5.9 (2.7)8.1 (3.7)11.6 (5.3)21.1 (9.6)22.4 (10.2)30.2 (13.7)

600 LB

Dimensions and Weights inches/lbs (millimeters/kgs)
NPS 1/2 3/4 1 1 1/4 1 1/2 2
L6-1/2 (165)7-1/2 (190)8-1/2 (216)9 (229)9-1/2 (241)10-1/2 (292)
H 2-1/2 (62)2-1/2 (62)3 (78)3-1/4 (82)4 (102)4-3/4 (120)
Weight6.6 (3)8.8 (4)13.0 (5.9)20.9 (9.5)22.0 (10)34.3 (15.6)