Pulsafeeder Chemical Metering Pump

The WATTS ACV 1116FM (Angle) Relief Valve meets all requirements for UL listed, FM Approved fire protection service. The design and features incorporated in the WATTS ACV valves assure accurate control, dependable performance, and long life.
Automatically maintains a constant pressure in the fire protection system by relieving excess pressure.
Angle Pattern Single Chamber Relief Valve

Function
Automatically maintains a constant pressure in the fire protection 
system by relieving excess pressure.

Features
The WATTS ACV 1116FM (Angle) Relief Valve meets all require

ments for UL listed, FM Approved fire protection service. The 
design and features incorporated in the WATTS ACV valves 
assure accurate control, dependable performance, and long life.

Models
Model 1116FM: Angle Pattern Single Chamber Relief Valve

Also Available: 
Model 116FM: Globe Pattern Single Chamber Relief Valve

Material 

Body & Cover: Ductile Iron ASTM A536 
Seat (Trim): Stainless Steel CF8M - Xylan Coated
Internals: Stainless Steel S30400 or Ductile Iron ASTM A536 Fusion Bonded Epoxy Coated
Stem: Stainless Steel S30400 - Xylan Coated
Spring: Stainless Steel AISI S30200
Elastomers: Buna-N 
Control Tubing: Copper
Fittings: Brass
Pressure Relief Control Body: Bronze