Preaction valve

Category System 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

Product Details

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)

Size	Trim configuration	Actuation	Connection	Working pressure (psi)	Ref. No.
2″ / DN50	Double interlock	P-P	FxF, GxG, FxG	300	V6801 (UL)
2-1/2″ / DN65	Double interlock	P-P	FxF, GxG, FxG	300	V6802 (UL)
3″ / DN80	Double interlock	P-P	FxF, GxG, FxG	300	V6803 (UL)
4″ / DN100	Double interlock	P-P	FxF, GxG, FxG	300	V6804 (UL)
5″ / DN125	Double interlock	P-P	FxF, GxG, FxG	300	V6805 (UL)
6″ / DN150	Double interlock	P-P	FxF, GxG, FxG	300	V6806 (UL)
8″ / DN200	Double interlock	P-P	FxF, GxG, FxG	300	V6807 (UL)
10″ / DN250	Double interlock	P-P	FxF, GxG, FxG	300	V6808 (UL)
12″ / DN300	Double interlock	P-P	FxF, GxG, FxG	300	V6809 (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)

Size	Trim configuration	Actuation	Connection	Working pressure (psi)	Ref. No.
3″ / DN80	Double interlock	E-P	FxF, GxG	250	V6811 (UL/FM)
4″ / DN100	Double interlock	E-P	FxF, GxG	250	V6812 (UL/FM)
6″ / DN150	Double interlock	E-P	FxF, GxG	250	V6813 (UL/FM)
8″ / DN200	Double interlock	E-P	FxF, GxG	250	V6814 (UL/FM)
3″ / DN80	Single interlock	Electrical / wet / dry	FxF, GxG	250	V6815 (UL/FM)
4″ / DN100	Single interlock	Electrical / wet / dry	FxF, GxG	250	V6816 (UL/FM)
6″ / DN150	Single interlock	Electrical / wet / dry	FxF, GxG	250	V6817 (UL/FM)
8″ / DN200	Single interlock	Electrical / wet / dry	FxF, GxG	250	V6818 (UL/FM)

Note:
1. For E-P actuation, it means electrical-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 BS 4504 PN 16, or DIN 2532 PN 16.