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ES-A-ACV-LF920GD 2115
© 2021 Watts
Threaded = 400psi (27.6 bar)
150# Flanged = 250psi (17.2 bar)
300# Flanged = 400psi (27.6 bar)
Grooved End = 400psi (27.6 bar)
Operating Pressure
M Series Basic Valves
Pressure Relief, Sustaining or Backpressure Control Valve
Full Port Ductile Iron Single Chamber Basic Valve
Standard Materials
Body and Cover:
Ductile Iron ASTM A536
Coating:
NSF Listed Fusion Bonded Epoxy
Lined
and
Coated
Trim:
316 Stainless Steel
Elastomers:
Buna-N (standard)
EPDM
(optional)
Viton
™
(optional)
Nut, Spring and Stem:
Stainless Steel
Anti-Scale (Optional):
Xylan Coated Stem and Seat
Viton™ is a trademark of The Chemours Company FC, LLC
ACV Schematic - Series LF920GD
This Ames Automatic Control Valve (ACV) is a full port, single
chamber basic valve that incorporates a one-piece disc and dia-
phragm assembly. This assembly is the only moving part within
the valve allowing it to open, close, or modulate as commanded
by the pilot control system.
Ames ACV Main Valves are Lead Free. The Ames ACV piloting
system contains Lead Free* components, ensuring all of our con-
figurations are Lead Free compliant.
Globe Pattern Single Chamber Basic Valve (905GD)
Angle Pattern Single Chamber Basic Valve (905AD)
Globe Flanged
Angle Flanged
Globe Threaded
Angle Threaded
Globe Grooved End
Angle Grooved End
Basic Valve Body Options
Operating Temperature
Buna-N: 160°F (71°C) Maximum
EPDM: 300°F (140°C) Maximum
Viton™: 250°F (121°C) Maximum
Epoxy Coating**: 225°F (107°C) Maximum
** Valves can be provided without internal epoxy coating consult factory
