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)

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
Xylem_181225_HR.png
  • 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