Check Valve

CHECK VALVE
CLASS 150

Supplier Smith Check Valve Class 1500

Check Valve Class 150 with Flanged End

Piston Check Valve

The Check Valve Class 150 feature conventional ports and bolted caps with flanged end.

Check Valve Features :
  • Robust engineering design
  • Flexible lip seat technology
  • Low emissions stem seal technology
  • Very long service life
Check Valve Figure Number :
  • Piston Check Valve Fig. SC81
  • Piston Check Valve Fig. 0C86
  • Piston Check Valve Fig. 0C81
  • Piston Check Valve Fig. 0C83
  • Piston Check Valve Fig. SC86
Size Range1" through 16" (25 through 400 mm)
FlangedANSI 150 – 600
Body MaterialsCarbon steel, stainless steel, high nickel alloy
ActuatorsModel 35 spring diaphragm, 70 Series cylinder
TrimEccentric rotary plug

Check Valve Class 300 with Flanged End

Forged Steel, Piston Check Valve API 602: ASME B16.34

The Check Valve Class 300 feature conventional ports and bolted caps with flanged ends.

Check Valve Features :
  • Low fugitive emissions
  • Robust engineering design
  • Bubble tight shut off
  • Flexible lip seat technology
Check Valve Figure Number :
  • Piston Check Valve Fig. 0B83
  • Piston Check Valve Fig. SB83
  • Piston Check Valve Fig. 0C83
  • Piston Check Valve Fig. SC83
Size Range1" through 12" (25 through 300 mm)
FlangedANSI 150 – 300
Body MaterialsCarbon steel, stainless steel
ActuatorsModel 31/32, 33 spring diaphragm
TrimDual characterized V-Ported segmented bal

CHECK VALVE
CLASS 300

Supplier Smith Check Valve Class 300

Check Valve Class 300 with Flanged End

Forged Steel, Piston Check Valve API 602: ASME B16.34

The Check Valve Class 300 feature conventional ports and bolted caps with flanged ends.

Check Valve Features :
  • Low fugitive emissions
  • Robust engineering design
  • Bubble tight shut off
  • Flexible lip seat technology
Check Valve Figure Number :
  • Piston Check Valve Fig. 0B83
  • Piston Check Valve Fig. SB83
  • Piston Check Valve Fig. 0C83
  • Piston Check Valve Fig. SC83
Size Range1" through 12" (25 through 300 mm)
FlangedANSI 150 – 300
Body MaterialsCarbon steel, stainless steel
ActuatorsModel 31/32, 33 spring diaphragm
TrimDual characterized V-Ported segmented bal

CHECK VALVE
CLASS 300

Supplier Smith Check Valve Class 300