Emerson 788 DVC manual W .em erson.com

Page 48

E m erso n Process M anagem ent Daniel M easurem ent and Control, Inc. 11100 Brittm oore Park Drive Houston, TX 77041

T+1 713 -467-6000

F+1 713 -827-4805 w w w .em erson.com

Copyright© 2012

Daniel M easurem ent and Control, Inc. and Daniel M easurem ent Services, Inc. Divisions of Em erson Process M anagem ent reserve the right to m ake changes to any of its products or services at any tim e without prior notification in order to im prove that product or service and to supply the best product or service possible.

Daniel M easurem ent Services, Inc. offers both on -call and contract m aintenance service designed to provide single-source responsibility for all Daniel products. The sales and service offices of Daniel M easurem ent and Control, Inc. are located throughout the United States and in m ajor countries overseas. For the location of the sales or service office nearest you, telephone the num ber below or visit the Daniel M easurem ent and Control, Inc. website.

T+1713 -827-6314

F+1713 -827-4805

w w w .em erson.com

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Contents DanielTM Model 788 DVC digital control valves This page intentionally left blank Important safety instructions Product operation personnel Safety signal words and symbols Safety alert symbolThis page intentionally left blank Page Warranty and limitation of liability Introduction Figures TablesDanieltm Model 788DVC Digital Control Valves Introduction Aggressive ProductsPrinciple of Operation Equipment DamageOperational Sequence Closed Position Open Control Position Open Position no control Do not exceed specifications listed below Safe Working Temperature RangesPressure Class Maximum Safe Working PressureConnections Valve CapacityFlow vs. Pressure Drop See Figure Flow vs Pressure Loss Pressure/Temperature Ratings Materials of Construction Main Valve BodyCylinder Head Main Valve CylinderTubing Astm A352 LCC WCB Dimensions Valve Size 150# Ansi 300# Ansi No Indicator With Indicator Recommended Installation Instructions General Considerations as Applied to the DL8000 Personal Injury or Death AND/OR Property Damage Use equipment for its intended purposeTypical Application Top Loading Typical Application Bottom Loading Control Valve Configuration new for DL8000 Cylinder Assembly Removal All Daniel Valves Cylinder Disassembly Recommended Low Flow Set-point Cylinder Reassembly Cup-seal Replacement on Existing AP Option Piston RetrofitOption Assembly Danieltm Model 788DVC Digital Control Valves Personal Injury AND/OR Equipment Damage Danieltm Model 788DVC Digital Control Valves Troubleshooting Condition Probable Cause Correction Danieltm Model 788DVC Digital Control Valves Parts List Parts List 2, 3, 4, 6, 8 Sizes Recommended Spare Parts Valve Cylinder Assembly Decontamination/Cleaning Fluids Process Infectious Radioactive Explosive Pyrophoric Poison GasShipping Requirements Page W .em erson.com