Check Valve – Ductile Iron w/ Stabilizer for VFD Systems
Certified Lead Free*
• Ductile iron body
• Silicon bronze poppet
• Stainless Steel spring and nut
• Non-toxic polyester powder coat paint
• 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 2″ and larger have a working pressure of 600 psi.
| Part No. | Size | Weight | List Price |
| 630SB | 2 1/2 in. | 15.20 | |
| 631SB | 3 in. | 11.70 | |
| 632SB | 3 in.* | 13.10 | |
| 633SB | 4 in. | 21.50 | |
| 634SB | 5 in. | 33.70 | |
| 635SB | 6 in. | 44.50 | |
| * High Flow design | |||
