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DeZurik VPB V-PORT Instruction Manual

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DeZURIK VPB V-PORT
BALL VALVES
D10324
Instruction
February 2016

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Summary of Contents for DeZurik VPB V-PORT

  • Page 1 DeZURIK VPB V-PORT BALL VALVES D10324 Instruction February 2016...
  • Page 2 Inspection Your VPB V-Port Ball 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 VPB V-Port Ball Valves Table of Contents Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 4: Description

    DeZURIK VPB V-Port Ball Valves Description The DeZURIK VPB V-Port Ball Valve is a quarter-turn stainless steel 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, ball or through the seat opening in the body.

  • Page 5: Required Tools

    DeZURIK VPB V-Port Ball Valves Required Tools This actuator is assembled using only SAE fasteners. To service this unit, you should have a full set of combination wrenches, Allen wrenches, a flat tipped screwdriver, a pin punch and a dead blow hammer.

  • Page 6: Drawings

    DeZURIK VPB V-Port Ball Valves Drawings Figure 1 – Component Identification Disassembled D10324 Page 6 February 2016...
  • Page 7 DeZURIK VPB V-Port Ball Valves Drawings (Continued) Figure 2 – Component Identification Assembled February 2016 Page 7 D10324...

  • Page 8: Replacing Packing

    DeZURIK VPB V-Port Ball 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 9: Seat Replacement

    • RIGID SEAT 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. a. Place the spring (A32) in the spring groove in the seat (A16).
  • Page 10 DeZURIK VPB V-Port Ball Valves Seat Replacement (Continued) d. Apply a light coat of grease to the edge of the seat that rests against the ball when assembled. e. Insert the seat (A16) into the retainer (A3). See Figure 2, detail "C."...

  • Page 11: Valve Disassembly

    DeZURIK VPB V-Port Ball 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 VPB V-Port Ball 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 VPB V-Port Ball Valves Valve Reassembly (Continued) 13. Place the packing washer (A11) onto the upper shaft, and slide the washer into position in the packing chamber, against the shoulder on the upper shaft (A6). 14. Place the packing rings (A10) onto the upper shaft (A6) and slide the rings into position in the packing chamber.

  • Page 14: Troubleshooting

    DeZURIK VPB V-Port Ball Valves Troubleshooting Condition Possible Cause Corrective Action Packing is loose. Adjust packing gland. Packing leaks. Packing is worn. Replace packing. Valve leaks when fully closed. Seat is worn. Replace seat. Valve leaks when fully closed, Ball is worn or galled.
  • Page 15 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.

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