Specifications

20
116FM (Globe) / 1116FM (Angle)
FIRE PUMP RELIEF VALVE
The Watts ACV 116FM (globe) and 1116FM (angle) relief
valve meets all the requirements for UL Listed, FM approved
fire protection service. The design and features incorporated
into the Watts ACV valve assure accurate control, depend-
able performance and long life.
VALVE FUNCTION
– Maintains constant inlet/upstream pressure by relieving
e
xcess pressure (adjustable)
COMPONENTS
1
. Main Valve
2. PV20C Relief Control
3. Fixed Orifice
4. Pressure Gauge
5. Check Valve
6. Flow Clean Strainer
FM Approved - 4", 6", 8", Globe and Angle
UL Listed - 3", 4", 6", 8" Globe and Angle in 125#
UL Listed - 3", 4", 6" Globe and Angle in 300#
VALVE FUNCTION
– Maintains constant upstream pressure (inlet to valve) by relieving
excess pressure based on a remote signal (adjustable)
COMPONENTS
1. Main Valve
2. PV20C Sustaining Control
3. Fixed Orifice – Closing Speed
4. Position Indicator
FC – Flow Clean Strainer
FM Approved - 4", 6", 8", Globe and Angle
116-1FM (Globe) / 1116-1FM (Angle)
FIRE PUMP SUCTION CONTROL
The Watts ACV 116-1FM Pump Suction Control Valve is
designed for Fire Pump Control Service. The 116-1FM
assures that the suction head pressure does not fall below
the pre-set minimum, the valve modulates to keep the pump
discharge in relation to the available suction head.
FIRE PROTECTION VALVES