
Cycle Gard® Model CNA 
NEW 
Flomatic Corporation  
Constant Pressure Pump Control  
Model CNA 
Sizes: 1 1/4”- 2” NPT 
      1 1/2”-12” - 150# Flange 
Applications 
¾ Irrigation and Sprinkler Systems  
¾ Booster Pump Systems  
¾ Domestic Well Water Systems  
¾ Municipal/Public Water Systems 
Product Specification 
•  Connection: Female NPT or 150# Flanged  
•  Max pressure: 300 PSI (20 bar) 
•  Max temperature: 180°F (80°C) 
•  NSF Approved Epoxy Powder 
•  Replaceable Seal 
•  Field Adjustable 
•  Cover Chamber air bleed 
•  Pilot Control Isolation Valves 
•  Flow Control Valve 
Materials 
Valve Body: Ductile Iron A536  
Elastomers: Reinforced Buna-N  
Internals: Un-Leaded Bronze  
Spring: Stainless steel  
Fasteners: Stainless steel  
Coating: NSF approved epoxy powder  
Pilot: Un-Leaded Bronze 61<5 Prop 65 
Features 
•  Maintains a constant downstream (outlet) pressure 
•  Adjustable by-pass (shorten pump shut down time) 
•  Strong Ductile Iron Valve Body construction 
•  Unleaded pilot control - California Prop 65 compliant (61< 5 marking) 
•  Double Guided Diaphragm Assembly 
•  Field Adjustable Pressure control 
•  Vertical or Horizontal installation 
•  Lower friction losses 
•   
Product Warranty: Flomatic three year control valve product warranty applies. 
15 Pruyn’s Island Drive, Glens Falls, New York 12801 
Phone: 518-761-9797      Fax: 518-791-9798 
High Quality Valves Built to Last . . .
Flomatic Corporation 
www.flomatic.com 

Cycle Gard® Model CNA 
Typical Well Head 
Installation using Model CI 
Installation using the 
Cycle Gard
WATER 
WELL 
; Reduces Installation time  
; Lower Friction Loss  
; 90° Valve Eliminates Elbow  
; Eliminates Spool Pieces  
; Field Adjustable  
; Eliminates Additional Hardware  
; Can be installed horizontally  
; Fusion Epoxy Coated 
WATER 
WELL 
Flomatic CYCLE GARD® CNA is a pilot operated pump pressure regulating control valve incorporating 
an adjustable unleaded pressure reducing pilot and an external adjustable by-pass. The unit is designed to 
give constant pressure and prevent pump cycling during normal operation. Isolation valves are provided for 
manual o
Size  Part Number  Connection  Pressure Range  Pumping Rate 
1 1/4"  CNA1010B  NPT Female Threaded  25-175 p.s.i.  15 to 30 gpm 
1 1/2"  CNA1010C  NPT Female Threaded  25-175 p.s.i.  15 to 75 gpm 
2"  CNA1010D  NPT Female Threaded  25-175 p.s.i.  25 to 125 gpm 
1 1/2"  CNA1011C  150# Flange  25-175 p.s.i.  15 to 75 gpm 
2"  CNA1011D  150# Flange  25-175 p.s.i.  25 to 125 gpm 
2 1/2"  CNA1011E  150# Flange  25-175 p.s.i.  50 to 200 gpm 
3"  CNA1011F  150# Flange  25-175 p.s.i.  75 to 300 gpm 
4"  CNA1011G  150# Flange  25-175 p.s.i.  100 to 600 gpm 
6"  CNA1011J  150# Flange  25-175 p.s.i.  200 to 1300 gpm 
8"  CNA1011K  150# Flange  25-175 p.s.i.  400 to 2400 gpm 
10"  CNA1011L  150# Flange  25-175 p.s.i.  600 to 3700 gpm 
12"  CNA1011M  150# Flange  25-175 p.s.i.  800 to 7200 gpm 
eration and for inline servicing of the external Y-strainer and pilot controls. 
Cyclegard CNA 
Model CNA101 Constant Pressure Angled Body Pump Control Valve 
®
 CNA 
15 Pruyn’s Island Drive, Glens Falls, New York 12801-4424 
Phone: 1-800-833-2040      Fax: 518-791-9798 
www.us.water.danfoss.com     www.flomatic.com 
Model CAN Rev: 030510