1. Manuals
  2. Brands
  3. DeZurik Manuals
  4. Control Unit
  5. RCV
  6. Installation and operation manual

DeZurik RCV Installation And Operation Manual

Rotary control valves
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
DeZURIK RCV ROTARY
CONTROL VALVES
D10361
Instruction
June 2017

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RCV and is the answer not in the manual?

Questions and answers

Related Manuals for DeZurik RCV

Summary of Contents for DeZurik RCV

  • Page 1 DeZURIK RCV ROTARY CONTROL VALVES D10361 Instruction June 2017...
  • Page 2 Inspection Your RCV Rotary Control Valve has been packaged to provide protection during shipment; however, it can be damaged in transport. Carefully inspect the unit for damage upon arrival and file a claim with the carrier if damage is apparent.

  • Page 3: Table Of Contents

    DeZURIK RCV Rotary Control Valves Table of Contents Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 4: Description

    DeZURIK RCV Rotary Control Valves Description The RCV Rotary Control Valve is a quarter-turn control valve for corrosive and abrasive liquids, gases and slurries. A choice of materials, actuators, and accessories is available. Handling Lifting the valve improperly may damage it. Do not fasten lifting devices to the actuator, plug or through the seat opening in the body.

  • Page 5: Drawings

    DeZURIK RCV Rotary Control Valves Drawings Figure 1 – Component Identification Disassembled June 2017 Page 5 D10361...
  • Page 6 DeZURIK RCV Rotary Control Valves Drawings (Continued) Figure 2 – Component Identification Assembled D10361 Page 6 June 2017...

  • Page 7: Replacing Packing

    DeZURIK RCV Rotary Control Valves Replacing Packing See Figure 1 and Figure 2 for parts identification. Pipeline pressure can cause personal injury or equipment damage. Relieve the pressure in the pipeline before removing the packing gland. Discontinue flow and relieve pipeline pressure.

  • Page 8: Seat Replacement

    8. Apply a light coat of media-compatible grease to the beveled edge of the seat that rests against the plug when assembled. NOTE: When replacing a tungsten carbide seat, DeZURIK recommends replacing the plug and seat together as a matched set. In order to minimize seat leakage the ball and seat must be lapped together at the factory.
  • Page 9 DeZURIK RCV Rotary Control Valves Seat Replacement (Continued) 13. Apply a thread locking compound (removable Table B: Torques for Retainer Screws type) to the retainer screw threads, and tighten Valve Size Torque the retainer screws (A4) finger tight. ft lbs 14.
  • Page 10 DeZURIK RCV Rotary Control Valves Seat Replacement (Continued) Figure 3 – Correct Position of Plug With Offset Orifice Figure 4 – Timing Mark Toward Valve Neck D10361 Page 10 June 2017...

  • Page 11: Valve Disassembly

    DeZURIK RCV Rotary Control Valves Valve Disassembly The valve may be disassembled and reassembled by following the steps in the next two sections. All parts should be inspected for wear, and worn parts should be replaced. Refer to Figures 1 and 2 for component identification.

  • Page 12: Valve Reassembly

    DeZURIK RCV Rotary Control Valves Valve Reassembly Clean and inspect all parts, and replace worn parts before reassembly. Refer to Figures 1 and 2 for component identification. The valve requires lubrication only when it is being assembled. Refer to the Actuator Instructions for lubrication requirements for the actuator.
  • Page 13 DeZURIK RCV Rotary Control Valves Valve Reassembly (Continued) 13. Position the plug in the valve body so it is centered in the valve flow-way. NOTE: The plug will be positioned at an angle in the body. 14. Place the seat (A16) into the bore of the body (A1) with the beveled side of the seat toward the plug.
  • Page 14 DeZURIK RCV Rotary Control Valves Valve Reassembly (Continued) 17. Apply a light coat of media compatible, anti-seize compound to the setscrew (A13). 18. With the plug in the open position, install the setscrew (A13) into the plug upper hub, and tighten to the torque specified in Table D.

  • Page 15: Actuator Closed Position Stop Adjustment

    DeZURIK RCV Rotary Control Valves Actuator Closed Position Stop Adjustment 1. Open the valve until the plug does not touch the seat, then move the plug toward the closed position until the plug just touches the complete circumference of the seat.
  • Page 16 No claim for transportation, labor or special or consequential damages or any other loss, cost or damage shall be allowed. You shall be solely responsible for determining suitability for use and in no event shall DeZURIK, Inc. be liable in this respect.

Table of Contents