Alarm check valve

Alarm check valve

Category
  • Certificate: UL Listed / FM Approved
  • Standard: UL 193 / UL 753, FM 1041
  • Connection: Flanged ANSI B16.1 Class 125, EN 1092 PN 16, grooved, etc.
  • Feature: Check type, vertical installation only
  • Temperature: 0°C to 68°C
  • W. pressure: 300 psi
  • Surface: FBE coating as AWWA C550

Product Details

Alarm check valve is mainly used in wet pipe fire protection system, which prevents the reverse flow and controls water pressure. It automatically actuates alarm when water flows into the system upon fire sprinkler operation.

Available size (Source 1 with UL/FM)

Size Connection Working pressure (psi) Ref. No.
3″ / DN80 FxF, GxG, FxG 300 V6501
4″ / DN100 FxF, GxG, FxG 300 V6502
6″ / DN150 FxF, GxG, FxG 300 V6503
8″ / DN200 FxF, GxG, FxG 300 V6504

Note: The flanged end connection is available with ANSI B16.5 Class 150, ANSI B16.42 Class 150, BS 4504 PN 16, or DIN 2532 PN 16.

 

Available size (Source 2 with FM)

Size Connection Working pressure (psi) Ref. No.
2″ / DN50 FxF, GxG, FxG 300 V6511 (FM)
2-1/2″ / DN65 FxF, GxG, FxG 300 V6512 (FM)
3″ / DN80 FxF, GxG, FxG 300 V6513 (FM)
4″ / DN100 FxF, GxG, FxG 300 V6514 (FM)
5″ / DN125 FxF, GxG, FxG 300 V6515 (FM)
6″ / DN150 FxF, GxG, FxG 300 V6516 (FM)
8″ / DN200 FxF, GxG, FxG 300 V6517 (FM)
10″ / DN250 FxF, GxG, FxG 300 V6518 (FM)
12″ / DN300 FxF, GxG, FxG 300 V6519 (FM)

Note: The flanged end connection is available with ANSI B16.5 Class 150, ANSI B16.42 Class 150, BS 4504 PN 16, or DIN 2532 PN 16.

Available size (Source 3 with UL/FM )

Size Connection Working pressure (psi) Ref. No.
3″ / DN80 GxG 300 V6521
4″ / DN100 GxG 300 V6522
6″ / DN150 GxG 300 V6523
8″ / DN200 GxG 300 V6524
3″ / DN80 FxF 250/232 V6525 (UL)
4″ / DN100 FxF 250/232 V6526 (UL)
6″ / DN150 FxF 250/232 V6527 (UL)
8″ / DN200 FxF 232 V6528 (UL)

Note: The flanged end connection is available with BS 4504 PN 16, or DIN 2532 PN 16.

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