Preaction valve
- Certificate: UL Listed / FM Approved
- Standard: UL 260, FM 1011/1012/1013
- Connection: Flanged ANSI B16.1 Class 125, EN 1092 PN 16, grooved, etc.
- Feature: Double interlocked (Standard), vertical or horizontal installation
- Temperature: 0°C to 87°C
- W. pressure: 300 psi
- Surface: FBE coating as AWWA C550
Preaction valve is mainly used in preaction system, which utilize compressed nitrogen or air in the system piping, and water under pressure is held below the deluge valve until electrical/pneumatic actuators operate.
Available size (Source 1 with UL)
Note:
1. For P-P actuation, it means pneumatic-pneumatic actuation.
2. The valve assembly must be worked with air pressure maintenance device and air compressor, and they are separately supplied.
3. 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 UL/FM)
Note:
1. For E-P actuation, it means electrical-pneumatic actuation, for E-E actuation, it means electrical-electrical actuation.
2. The valve assembly must be worked with air pressure maintenance device and air compressor, and they are separately supplied.
3. The flanged end connection is available with ASME B16.1 Class 125 or BS 4504 PN 16, or DIN 2532 PN 16.