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Daniel CV500 Control Valve Series ATO Model (Obsolete)
This product is now obsolete.
Relevant documents and drawings are listed below.
Contact your local Emerson representative for your measurement needs.
Daniel CV500 Control Valve Series ATO Model (Obsolete)


Line Sizes
DN50 to DN300 (2-in to 12-in)
Fluid Type
Operating Temperature Range
-29°C to +66°C (-20°F to +150°F)
Operating Pressure Range
ANSI 150 to 300
Materials: Valve Body
Carbon Steel, ASTM A352 GR LCC
Materials: Pilot Body
Standard: Stainless Steel
Materials: Valve Piston
Standard: Stainless Steel
Materials: O-Rings
Standard: Viton; Optional: Neoprene, EPR, Nitrile, Viton GFLT, Kalrez / Teflon AP (Aggressive Products)


  • Achieve precise flow rate and batch control with high-performance balanced piston principle, spring-biased design
  • Choose from models for tank control, remote on-off control, bypass control, and two-stage or digital batch control
  • Ensure smooth linear action with maximum flow and minimum pressure drop with high-capacity, 45° valve body
  • Safeguard equipment and personnel with positive shutoff (ANSI Class VI) and fail-safe closure upon power loss
  • Prevent mixing of line fluid and power cylinder operating fluid with an atmospheric vent
  • Maximize uptime with all internal parts housed in a cartridge assembly; no need to remove the valve from the line
  • Minimize wear-related maintenance with a simple design featuring no diaphragms or stuffing boxes


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