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Experience In Motion

USER INSTRUCTIONS

Installation

Operation

Maintenance

Valtek VL-C  
Spring Cylinder Linear Actuators

FCD VLAIM054-01 – 06/13

Summary of Contents for Valtek VL-C

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

Page 2: ...g 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 s...

Page 3: ...o avoid damage to the tubing and mounted accessories when lifting the actuator from the shipping container 0 WARNING When lifting an actuator with lifting straps through the yoke legs be aware the cen...

Page 4: ...installed on a Flowserve valve remove the valve per the appropriate installation operation maintenance instructions 0 WARNING To avoid serious injury depressurize the line to atmospheric pressure and...

Page 5: ...h a worn or damaged bushing out of the yoke NOTE Item numbers correspond directly to actuator s bill of material Refer to it for specific part numbers Yoke O ring Item No 271 Piston Stem O ring Item N...

Page 6: ...sides of the piston enables smooth operation and can help reduce corrosion 3 Lubricate the outside of the replacement bushing if the stem bushing has been removed Press a new lower stem bushing into...

Page 7: ...embling dual or heavy duty spring actuators the spring guide must be first inserted under the actuator stem locknut see Figures 3 and 4 6 For air to extend configurations place the spring under the pi...

Page 8: ...g strength when installing the stem clamp make sure the stem clamp bolting is perpendicular to one of the slots machined into the actuator stem 13 Apply air over the piston Tighten the stem clamp bolt...

Page 9: ...ushing Item No 253 Actuator Stem Item No 211 Actuator Stem O ring Item No 275 Yoke O ring Item No 274 Yoke Item No 201 Actuator Stem Item No 211 Cylinder Item No 202 Stem Bellows Item No 247 End Cap O...

Page 10: ...r maintenance bulletin 2 Spring failure 2 Replace spring 3 Internal valve problem 3 Refer to valve s maintenance bulletin Jerky or sticking stem travel 1 Insufficient air supply pressure 1 Check air s...

Page 11: ...11 Valtek VL C Spring Cylinder Linear Actuators FCD VLAIM054 01 06 13 flowserve com Space Available for Technician Notes...

Page 12: ...should be aware that Flowserve products might be used in numerous applications under a wide variety of industrial service conditions Although Flowserve can and often does provide general guidelines i...

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