Bronze cast body Bronze cast poppet Female threads VFD Compatible
All Simmons bronze check valves are CERTIFIED LEAD FREE and include Buna-N O-Ring, stainless steel spring, stainless steel washer, and stainless steel locknut. All valves through 1 have a working pressure of 400 PSI, while valves 2 and larger have a working pressure of 600 PSI. Check valves rated for 190F maximum temperature.
| Part No. | Size | Weight lbs |
| 601SB* | 1 | 1.3 |
| 602SB* | 1 1/4 | 1.7 |
| 603SB* | 1 1/2 | 2.1 |
| 604SB* | 2 | 3.6 |
| 606SB** | 1 | 1.3 |
| 607SB** | 1 1/4 | 1.7 |
*601-604 tappings: One 1/8″ inlet, Two 1/4″ outlets,One 1/8″ outlet.**606-607 tappings: Two 1/4″ outlets.
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