Ductile Iron Submersible Check Valve

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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

* 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 _

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