Check Valve – Ductile Iron Submersible

Check Valve – Ductile Iron Submersible – Standard and VFD
Certified Lead Free*

• Ductile Iron body
• Silicon bronze poppet
• Stainless Steel spring and nut
• Non-toxic polyester powder coat paint
• Female-Male Threads
• VFD Compatible
• Valves 2-1/2″ – 6″ can be customized with 8 Round API Threads

* Silicon bronze components contain less than .05% (1/20 of 1%) Lead

All check valves furnished with Buna-N O-Ring, stainless steel spring, stainless steel washer and stainless steel locknut.

All valves 3/4″ through 1-1/2″ have a working pressure of 400 psi. All valves 2″ and larger have a working pressure of 600 psi.

Part No. Size FxM Description Weight List Price
658SB 2 in. x 2 in. Standard 3.9 $120.47
660SB 3 in. x 3 in. Standard 12.3 $342.26
626SB 3 in. x 3 in. Standard w/ Break-off Plug 12.5 $417.41
636SB 3 in. x 3 in. VFD 12.5 $490.20
697SB 3 in. x 3 in. VFD w/ Break-off Plug 12.7 $565.06
661SB 4 in. x 4 in. Standard 25.5 $529.14
627SB 4 in. x 4 in. Standard w/ Break-off Plug 25.8 $612.16
637SB 4 in. x 4 in. VFD 25.8 $701.73
698SB 4 in. x 4 in. VFD w/ Break-off Plug 25.9 $790.08
662SB 6 in. x 6 in. Standard 48.7 $975.77
628SB 6 in. x 6 in. Standard w/ Break-off Plug 49.3 $1,034.40
638SB 6 in. x 6 in. VFD 49.0 $1,156.34
699SB 6 in. x 6 in. VFD w/ Break-off Plug 49.8 $1,218.96