Emerson 788 DVC Materials of Construction Main Valve Body, Cylinder Head, Main Valve Cylinder

D E C 2012 DANIELTM MODEL 788DVC DIGITAL CONTROL VALVES

Materials of Construction

Main Valve Body

steel, ASTM-352 LCC

Cylinder Head

steel, ASTM-352 LCC

Main Valve Cylinder

steel

nickel coated steel

Main Valve Piston

Standard: stainless steel

Seat Ring

steel

nickel coated steel

Seals

steel

O-rings

Standard: Viton® dynamic, Buna-N

Optional: EPR, Kalrez®, Low-Swell Nitrile, Neoprene™, Viton®-A, Viton®-GFLT

Optional

Visual position indicator

Microswitch-type indicator

AP (aggressive products) option

Pressure/Temperature Ratings

The maximum working pressure for the Model 700B Series Control Valve is based on temperature/pressure rating of the ANSI B16.5 flanges. The Table 3-2 lists the maximum working pressure of ASTM 352 LCC WCb at 100°F.

3-4 SPECIFICATIONS