Central Position: Control spool held in the central position by return springs when de-energized
Control: By built-on directional spool valve or directional seat valve
Design: Pilot operated check valve in sandwich plate
Direct Operation: Control spools directly operated by screwed-in solenoids with extractable coils
Mounting Pattern Size 10: Porting pattern according to ISO 4401-5, NFPA T3.5.1M R1, and ANSI B93.7 D 05
Mounting Pattern Size 6: Porting pattern according to ISO 4401-3, NFPA T3.5.1M R1, and ANSI B 93.7 D 03
Optional Operation: With or without pre-opening
Pressure Connection: Integrated high-pressure connection (size 32 to 160)
Sizes: 32 to 200
Solenoid Coils: Detachable coils for easy maintenance
Surface Treatment: Burnish surface treatment
Switching Pressure: Reliable switching under pressure over longer periods of standstill
Throttle Check Valve: Integrated throttle check valve (size 200)
Valve Elements: 4 ways and 3 positions
Wet Pin Tubes: For DC coi