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McDonnell & Miller 181225 250 Pressure Relief Valve, 3/4 in, NPT, 30 psi, Bronze Body
MCDONNELL-MILLER 181225 ## 250-3/4-30 RELIEF VALVE (OLD P/N 230) >NO LONGER AVAILABLE & NO SUB!<
Hydronic Pressure Regulating Valves
}
McDonnell & Miller 181225 250 Pressure Relief Valve, 3/4 in, NPT, 30 psi, Bronze Body
540269
MFG #: 181225
Product ID:540269
Famous Supply
- Dimensions: 4-9/16 in H x 2-9/16 in W
- Media: Water
- Series: 250
- Softgoods Material: Bronze Seat/EPDM Rubber Diaphragm, Seat Disc
- Temperature Rating: 250 deg f
- Nominal Size: 3/4 in
- End Style: NPT
- Pressure Rating: 30 psi
- Body Material: Bronze
McDonnell & Miller Pressure Relief Valve, Series: 250, 3/4 in Nominal, NPT, 30 psi, 250 deg F, Media: Water, Bronze Body, Bronze Seat/EPDM Rubber Diaphragm, Seat Disc, 4-9/16 in H x 2-9/16 in W
- Features
- Application
| Protects against over-pressure |
| Minimizes hammering with flash steam |
| Low differential pressure - 3 psi between opening and closing |
| Meets ASME pressure vessel and boiler code, section IV |
| 790000 BtuH capacity |
| For tanks and hydronic heating systems |