Piston Valves

Forged Steel Piston Check Valves 800lb & 1500lb

Features

  • Conv. Port
  • Spring available on request
  • Bolted Bonnet with Spiral wound gasket
  • Socket weld ends to ASMS B6.11
  • Threaded Ends (NPT) to ANSI/ASME B1.20.1
  • NACE MR-01-75

Options

  • Alternate Trims
  • Alternate Body Materials
  • Welded Seats
  • Full Port

Standards

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

800 LB

Dimensions and Weights inches/lbs (millimeters/kgs)
NPSConv.3/81/23/411-1/41-1/22
L3 (79)3 (79)3-1/2 (92)4-1/4 (111)4-3/4 (120)6 (152)6-3/4 (172)
H2-1/2 (62)2-1/2 (62)2-1/2 (63)3 (78)3-1/4 (82)4 (102)4-3/4 (120)
WeightsBolted2.6 (1.2)2.6 (1.2)2.6 (1.2)4.4 (2)7.7 (3.5)9.9 (4.5)16.5 (7.5)
Welded2.2 (1)2.2 (1)2.4 (1.1)4.0 (1.8)7.0 (3.2)8.8 (4)15.0 (6.8)

1500 LB

Dimensions and Weights inches/lbs (millimeters/kgs)
NPSConv.3/81/23/411-1/41-1/22
L4-1/4 (111)4-1/4 (111)4-1/4 (111)4-3/4 (120)6 (152)6-3/4 (172)8-3/4 (220)
H3-3/4 (98)3-3/4 (98)3-3/4 (98)4 (104)4-3/4 (120)5-1/2 (140)6-1/4 (158)
WeightsBolted7.5 (3.4)7.5 (3.4)7.5 (3.4)10.8 (4.9)15.2 (6.9)23.8 (10.8)26.4 (12)
Welded6.6 (3)6.6 (3)6.6 (3)9.9 (4.5)13.9 (6.3)22.0 (10)24.2 (11)