F31
Discontinued
Safety Relief Valves For Steam Boilers, ASME Section I Rated
Watts Series Figure 31 steam safety relief valves are ASME Section I valves used on steam boilers with operating pressures from 5 to 250 psi (.34 to 17.2 bar). Series Figure 31 is a high capacity safety relief valve with a top guide and full nozzle. It consists of a bronze body (sizes 1/2 to 2-1/2 in.) with NPT threaded male inlet and threaded female outlet (drain) connections, or a cast iron body (sizes 1-1/2 to 6 in.) construction with flanged connections. ASME Section I rated.
Literature
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |