DeZurik G Series Manual
Lift, turn and reseat used on ptw & pfw tapered plug valves
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- Manual (17 pages) ,
- Instructions manual (13 pages)
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Summary of Contents for DeZurik G Series
- Page 1 DEZURIK LIFT, TURN AND RESEAT G-SERIES USED ON PTW & PFW TAPERED PLUG VALVES D10189 Instruction May 2020 DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | www.dezurik.com | info@dezurik.com...
- Page 2 Safety label(s) on the product indicate hazards that can cause injury or death. If a safety label becomes difficult to see or read, or if a label has been removed, please contact DeZURIK for replacement label(s). Personnel involved in the installation or maintenance of valves should be constantly alert to potential emission of pipeline material and take appropriate safety precautions.
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Page 3: Table Of Contents
DeZURIK LIFT, TURN AND RESEAT G-SERIES ACTUATORS USE ON PTW & PFW TAPERED PLUG VALVES Table of Contents Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -... -
Page 4: Description
DeZURIK LIFT, TURN AND RESEAT G-SERIES ACTUATORS USED ON PTW & PFW TAPERED PLUG VALVES Description The Lift, Turn and Reseat G-Series Actuator is designed to operate PTW and PFW Tapered Plug Valves. Operation To operate the actuator, follow these steps: 1. -
Page 5: Stop Adjustments
DeZURIK LIFT, TURN AND RESEAT G-SERIES ACTUATORS USE ON PTW & PFW TAPERED PLUG VALVES Stop Adjustments The two stops are spacers and screws located in the actuator cover. When the pointer contacts one of the stops, the valve quits traveling in that direction. The two stop adjustments are directly related;... -
Page 6: Actuator Installation
DeZURIK LIFT, TURN AND RESEAT G-SERIES ACTUATORS USED ON PTW & PFW TAPERED PLUG VALVES Actuator Removal (continued) 10. Take out the screws fastening the actuator adaptor to the adaptor plate (3" and 4" valves) or to the valve bonnet (5" thru 16" valves). Lift the complete actuator assembly from the valve. -
Page 7: Recommended Spare Parts Replacement
DeZURIK LIFT, TURN AND RESEAT G-SERIES ACTUATORS USE ON PTW & PFW TAPERED PLUG VALVES Recommended Spare Parts Replacement Follow these steps to replace the recommended spare parts in this actuator. When a tapered plug valve is mounted in a vertical pipeline—or mounted in a horizontal pipeline with the plug stem horizontal—gravity can cause the plug to swing to a lower... -
Page 8: Changing Actuator Mounting Positions
DeZURIK LIFT, TURN AND RESEAT G-SERIES ACTUATORS USED ON PTW & PFW TAPERED PLUG VALVES Recommended Spare Parts Replacement (continued) 17. Pack the gear sector teeth with lubricant, then slide the gear sector into the bearing, making sure it is in the position noted before it was removed. - Page 9 If you use metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns, you do so at your sole risk and any liability associated with such use shall not be the responsibility of DeZURIK, Inc. In addition to the foregoing, DeZURIK’s Manufacturer’s Conditions apply.
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