Flowserve Valtek VL-C User Instructions
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Flowserve Valtek VL-C User Instructions

Flowserve Valtek VL-C User Instructions

Spring cylinder linear actuators
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USER INSTRUCTIONS
Valtek VL-C
Installation
Spring Cylinder Linear Actuators
Operation
Maintenance
FCD VLAIM054-01 – 06/13
Experience In Motion

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Summary of Contents for Flowserve Valtek VL-C

  • Page 1 USER INSTRUCTIONS Valtek VL-C Installation Spring Cylinder Linear Actuators Operation Maintenance FCD VLAIM054-01 – 06/13 Experience In Motion...

  • Page 2: Table Of Contents

    Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Valtek VL-C Spring Cylinder Linear Actuator The VL-C series double-acting actuator provides precise control and reliable performance. With decades of experience and reliability, VL-C actuators have been known to be in service for over 30 years. Providing maximum thrust from a compact package, the VL-C cylinder has set the industry standard for two generations.

  • Page 3: General Information

    Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 General Information Installation The following instructions are designed to assist in installing, trouble- Prior to installation, make sure adequate overhead clearance for the shooting and servicing Valtek VL-C spring cylinder linear actuators sizes actuator is provided to allow for proper removal from the valve body 100, 150 and 200.

  • Page 4: Maintenance

    Refer to Figures 1 through 4 to disassemble the cylinder actuator. problem is suspected with the actuator, refer to the Disassembly and 1. Shut off air supply. If actuator is installed on a Flowserve valve, Reassembly section. remove the valve per the appropriate installation operation, WARNING: To avoid serious injury, the following steps should maintenance instructions.
  • Page 5 Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Figure 1: Air-to-retract Cylinder Actuator Adjusting Screw Adjusting Screw Gasket (Item No. 210) (Item No. 248) Tie Rod Nut (4) (Item No. 205) End Cap O-ring (Item No. 227) End Cap (Item No.

  • Page 6: Reassembling The Actuator

    Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Figure 2: Air-to-extend Cylinder Actuator Spring Button (Item No. 227) Stem Spacer (Item No. 228) Spring (Item No. 229) NOTE: Item numbers correspond directly to actuator's bill of material. Refer to it for specific part numbers.
  • Page 7 Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Adjusting Screw Figure 3: Dual-spring Cylinder Actuator (Item No. 210) Outer Spring Spring Button (Item No. 229) (Item No. 227) Inner Spring (Item No. 230) Spring Guide (Item No. 326) Actuator Stem (Item No.

  • Page 8: Reversing The Air-Action

    13. Apply air over the piston. Tighten the stem clamp bolting with the stem clamp adjusted to point at the closed position of the stroke indicator plate. NOTE: If the actuator is installed on a Flowserve valve, refer to the appropriate installation, operation, maintenance instructions for correct plug stem thread engagement.
  • Page 9 Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Figure 4: Exploded View, Spring Cylinder Actuator Adjusting Screw (Item No. 210) Adjusting Screw Gasket (Item No. 248) Tie Rod Nut (4) (Item No. 205) Tie Rod (4) (Item No. 206) End Cap (Item No.

  • Page 10: Troubleshooting

    Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Troubleshooting Problem Probable Cause Corrective Action 1. Leaks in the air supply or instrument signal system 1. Tighten connections and replace any leaking lines High air consumption or 2. Malfunctioning positioner 2.
  • Page 11 Valtek VL-C Spring Cylinder Linear Actuators FCD VLAIM054-01 – 06/13 Space Available for Technician Notes flowserve.com...
  • Page 12 Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this Flowserve product is designed to perform its intended function safely during its useful life. However, the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications under a wide Phone: 86 512 6288 8790 variety of industrial service conditions.

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