Flowserve Valtek Mark One and Mark Two Control Valves User Manual Page 1

1®Valtek Control ProductsMark One and Mark Two Control ValvesFCD VLENIM0001-01-AQ – 08/14Installation OperationMaintenanceUSER INSTRUCTIONSExperience

®10Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/146.7. Remove the packing gland bolting, yoke clamps and remove the actuator

11®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14ers permit a wide variety of packing configurations, such as twin seal and v

®12Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/147.12. Apply air over the piston to seat the plug. For all throttling valve

13®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14be examined for damage. Repair and replacement of dam-aged parts is critic

®14Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14sional differences from the standard Mark One design. As-sembly and disass

15®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14Problem Probable Cause Corrective ActionStem motion impeded1. Over-tightene

®16USAFlowserve Flow Control Division1350 N. Mt. Springs ParkwaySpringville, UT 84663USAPhone: +1 801 489 8611Fax: +1 801 489 3719AustriaFlowserve Con

®2Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14Contents1. General Information 3 2. Unpacking 53. Installation

3®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/141. General Information1.1. Using The following instructions are designed t

®4Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14Figure 1: Mark One Control Valve Body AssemblyBody(Item # 1)Seat Gasket(Item

5®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14 WARNING: Before products are returned to Flowserve for repair or service,

®6Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14 WARNING: Failure to install half rings on the valve body can cause serious

7®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/145.5. If the valve is supplied with a lubricator fitting, check lubri-cant su

®8Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/14Figure 3: Exploded View Mark One Body AssemblyGland Bolting(Items #109, 117)

9®Valtek Mark One and Mark Two Control Valves FCD VLENIM001-01-AQ - 8/145.12. Spray a soap solution around the actuator cylinder retaining ring and