Products — 05 / 10
Check Valves
Swing, lift and dual plate. Non-slam service.
ASME B16.34BS 1868API 6DISO 5208
Size range
15–400 NB
Pressure class
150#–2500#
End connections
Flange End · Butt Welded
Built for the job
01
Seating surfaces accurately machined, aligned and lapped for long, trouble-free service.
02
Removable, seal-welded seat ring, or integral seat in cast stainless.
03
Tilting-disc design available; counterweight, lever and dash-pot arrangements on request.
04
Spring-loaded lift-check construction manufactured on request for vertical lines.
05
Flange End or Butt Welded ends to ANSI B16.5 / B16.25.
06
Stellite hard-facing on seating surfaces available on request.
Specification matrix
Size range
15–400 NB
Pressure class
150#–2500#
End connections
Flange End · Butt Welded
Standards & codes
ASME B16.34 · BS 1868 · API 6D · ISO 5208
Body
WCB · LCB · WC6 · WC9 · C5 · C12 · CF8 · CF8M
Where it's used
Petrochemical · Pharmaceutical · Oil & Gas · Refineries · Power · Fertilizers · Steel · Paper · Cement · Cryogenic
Technical drawings
Fig. 05.1
Cutaway with part callouts
Fig. 05.2
Class 150# / 300# / 600#,900#,1500# — body comparison
Fig. 05.3
Available configurations
