Standard Valves with Bellows Seal - Flowserve Corporation

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Flow Control DivisionKammer Control ValvesActuator stemCouplingCoupling screwCoupling insertLocknutGland nutYoke plateYoke plate nutBonnet fastnerAnti rotation pinSlotted nutPlug stemBonnetTest connection(rotated 90°)ExtensionBellows sealValve bodyFig. 1Typical actuator and valve configuration411.00
Flow Control DivisionKammer Control ValvesREMOVE AND INSTALL ACTUATORGeneral InformationWe recommend separating the actuator from thevalve during all repair work. However, manymaintenance and adjusting operations can be carriedout in an installed condition.3.2.4 Refit the coupling, ensuring that the arrows, embossedon the coupling halves, point upward towards theactuator, and secure with 2 retaining screws.3.1 Remove actuator(see Fig. 1)3.1.1 Shut off air supply.WARNING: Depressurise the line to atmosphericpressure and drain all fluids from the valve beforeworking on the actuator. Failure to do so can causeserious injury.3.4.5 Apply supply pressure resp. vent actuator to half strokeand refit and tighten yoke rod retaining nuts (15).3.4.6 Connect all tubing.3.1.2 Disconnect all tubing.3.1.3 Remove 2 screws and remove coupling.3.1.4 Remove yoke rod retaining nuts and lift actuatorassembly from the valve.3.1.5 Remove coupling insert and it’s locknut from plugstem.Attention: Ensure that the plug assembly is notrotated with the plug seated. This may causeirreparable damage to the seating faces.3.2 Install actuator(see Fig. 1)The actuator stem must be fully extended:Actuators with air-to-open action must be fullyvented. Actuators with air-to-close action applysupply pressure.Manually depress the plug stem to ensure the plug isfully seated.3.2.1 Screw coupling insert locknut and coupling insert asfar as possible onto plug stem.3.2.2 Place the actuator assembly on the valve engagingthe yoke rod threads in the lower yoke plate andensuring the actuator faces in the correct direction.3.2.3 Unscrew the coupling insert until the yoke rods areraised from the lower yoke plate by around 2 mm.Attention: Ensure that the plug assembly is notrotated with the plug seated. This may causeirreparable damage to the seating faces.11.005
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Standard Valves with Bellows Seal - Flowserve Corporation

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