Search
Close this search box.

Flanged angle type pressure relief valve

Flanged angle type pressure relief valve

  • Certificate: UL Listed / FM Approved
  • Standard: UL 1478, NFPA 20
  • Connection: Flanged as B16.42 Class 150 / 300
  • Adjustment: 20 ~ 200 / 100 ~ 300 psi, etc.
  • Temperature: Max 82°C, water
  • W. pressure: 250 / 400 psi, etc.
  • Surface: FBE coating as AWWA C550

Product Details

Flanged angle type pressure relief valve (Fire pump relief valve) is used in the discharge of fire pump with flanged connection. It automatically relieves excessive pressure, so to maintain constant pressure. It allows the fire pump to be stopped without causing surging.

Available size (Source 1 with UL/FM)

Size Relief pressure range (psi) Connection Working pressure (psi) Ref.No.
2″ / DN50 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1302 (ISO)
2-1/2″ / DN65 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1303 (ISO)
3″ / DN80 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1304 (UL/FM)
4″ / DN100 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1305 (UL/FM)
6″ / DN150 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1307 (UL/FM)
8″ / DN200 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1308 (UL/FM)
10″ / DN250 20 ~ 200 / 100 ~ 300 Class 150 / 300 250 / 400 U1309 (ISO)

Note:
1. For size 3″, 4″, 6″, and 8″, the working pressure of Class 300 connection is 300 psi by UL listed, and 400 psi by FM approved.
2. EN/BS flanged end connection is also available by FM approved, including EN 1092-2 PN10, PN16, or PN25.
3. KOL Anti-Cavitation Trim Seat is available.

Available size (Source 2 with UL/FM)

Size Relief pressure range (psi) Connection Working pressure (psi) Ref.No.
3″ / DN80 65 ~ 300 Class 125 / 150 / 250 / PN16 300 U1324 (UL/FM)
4″ / DN100 65 ~ 300 Class 125 / 150 / 250 / PN16 300 U1325 (UL/FM)
5″ / DN125 65 ~ 300 Class 125 / 150 / 250 / PN16 300 U1326 (UL/FM)
6″ / DN150 65 ~ 300 Class 125 / 150 / 250 / PN16 300 U1327 (UL/FM)
8″ / DN200 65 ~ 300 Class 125 / 150 / 250 / PN16 300 U1328 (UL/FM)

Ask For A Quick Quote

Email us at info@tpmcsteel.com or use the form below. Normally you will be replied within 2 hours during support hours.