Emerson 788 DVC manual Product operation personnel

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Product operation personnel:

To prevent personal injury, personnel must follow all instructions of this manual prior to and during operation of the product.

Follow all warnings, cautions, and notices marked on, and supplied with, this product.

Verify that this is the correct instruction manual for your Daniel product. If this is not the correct documentation, contact Daniel at 1-713-827-6314. You may also download the correct manual from:

http://www.daniel.com

Read and understand all instructions and operating procedures for this product.

If you do not understand an instruction, or do not feel comfortable following the instructions, contact your Daniel representative for clarification or assistance.

Install this product as specified in the INSTALLATION section of this manual per applicable local and national codes.

Follow all instructions during the installation, operation, and maintenance of this product.

Connect the product to the proper pressure sources when and where applicable.

Ensure that all connections to pressure and electrical sources are secure prior to, and during, equipment operation

Use only replacement parts specified by Daniel. Unauthorized parts and procedures can affect this product's performance, safety, and invalidate the warranty. "Look-a-like" substitutions may result in deadly fire, explosion, release of toxic substances or improper operation.

Save this instruction manual for future reference.

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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 PressureValve Capacity ConnectionsFlow 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