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
660SB	3 in. x 3 in.	Standard	12.3
626SB	3 in. x 3 in.	Standard w/ Break-off Plug	12.5
636SB	3 in. x 3 in.	VFD	12.5
697SB	3 in. x 3 in.	VFD w/ Break-off Plug	12.7
661SB	4 in. x 4 in.	Standard	25.5
627SB	4 in. x 4 in.	Standard w/ Break-off Plug	25.8
637SB	4 in. x 4 in.	VFD	25.8
698SB	4 in. x 4 in.	VFD w/ Break-off Plug	25.9
662SB	6 in. x 6 in.	Standard	48.7
628SB	6 in. x 6 in.	Standard w/ Break-off Plug	49.3
638SB	6 in. x 6 in.	VFD	49.0
699SB	6 in. x 6 in.	VFD w/ Break-off Plug	49.8