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
  • Temperature: Max 82°C, water
  • W. pressure: 250 / 400 / 300 psi
  • 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

Size Relief pressure range (psi) Connection Ref.No.
2″ / DN50 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1301 (ULC)
2-1/2″ / DN65 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1302 (ULC)
3″ / DN80 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1303 (UL/FM)
4″ / DN100 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1304 (UL/FM)
6″ / DN150 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1305 (UL/FM)
8″ / DN200 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1306 (UL/FM)
10″ / DN250 20 ~ 200 / 100 ~ 300 Class 150 / 300 U1307 (ULC)

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