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Summary of Contents for DeZurik KSV CL150
- Page 1 DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES D11021 Instruction June 2023 DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | www.dezurik.com | info@dezurik.com...
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Page 2: Safety Messages
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. -
Page 3: Table Of Contents
DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Table of Contents Safety Messages ............................... 2 Parts .................................. 2 DeZURIK Service .............................. 2 Lubrication ................................. 6 Purging ................................6 Packing ................................6 Adjustment ................................ 6 Figure 1—Component Identification ......................7 Replacing the Scraper Ring in the Body ..................... - Page 4 KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Description The DeZURIK KSV bonnetless knife gate valves are constructed with a one-piece cast body, gate, packing chamber, replaceable seat rings and either an all-metal or metal/resilient seat. A choice of several actuators and accessories are available.
- Page 5 DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Table A: Bolt Torques CL150 CL150 CL150 Non CL150 Non CL300 CL300 CL300 Non CL300 Non Lubricated Lubricated -lubricated -lubricated Lubricated Lubricated -lubricated -lubricated Valve Size Min. Max. Min. Max. Min.
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Page 6: Lubrication
DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Operation The gate in the valve is positioned by the valve actuator. The actuator moves the gate over the valve port in the closed position, and withdraws the gate from the port in the throttling and open positions. Refer to the Actuator Instructions for adjustment and maintenance requirements for the actuator. - Page 7 DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Drawings STUD (A14) NUT (A15) WASHER (A16) GLAND (A13) SCRAPER RING (A11) PACKING (A10) PACKING O- RING (A12) CHAMBER (A8) PACKING (A10) SCRAPER RING (A11) SCREW (A5) O- RING (A9) LOCKWASHER (A6)
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Page 8: Replacing The Scraper Ring In The Body
DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Packing Replacement Only Removing the Old Packing 1. Relieve the pressure in the pipeline and close the valve. WARNING! Pipeline pressure can cause personal injury or equipment damage. Relieve pipeline pressure before removing gate stem and packing gland nuts. - Page 9 KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Packing Replacement Only continued Installing the New Packing DeZURIK recommends using a square-ended wood or plastic tool, driven by a hammer or mallet for packing rings. Table B: Packing Ring Lengths Note: DO NOT USE ANY SHARP OR...
- Page 10 DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Installing the New Packing continued SCRAPER RING (A11) PACKING (A10) O- RING (A12) PACKING (A10) SCRAPER RING (A11) Figure 2—Packing Ring Sequence Reassembling the Valve 1. Reconnect the clip to the gate (A4) with the screws and nuts.
- Page 11 DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Seat Ring, Seat and Packing Replacement ee Figure 1 for component identification. WARNING! Pipeline pressure can cause personal injury or equipment damage. Relieve pipeline pressure before removing gate stem and packing gland nuts.
- Page 12 DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Seat Ring & Seat Replacement continued Push seat ring (A2) on the side opposite the seat towards the center of the valve just far enough so that the retaining ring (A19) is exposed.
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Page 13: Troubleshooting
DeZURIK KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES Seat Ring & Seat Replacement continued 27. Replace packing as described in “Installing New Packing”. 28. Place the gland (A13), centering about the gate (A4). 29. Install the gland studs (A14), nuts (A15) and washer (A16). Tighten the gland stud nuts (A15) evenly, applying only enough pressure to seal the packing at the rated test pressure. - Page 14 Metric fasteners should not be used with ASME Class 150/300 bolt holes and flange bolt patterns. If you use metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns, it may lead to product failure, injury, and loss of life. DeZURIK Inc. disclaims all liability associated with the use of metric fasteners with ASME Class 150/300 bolt holes and flange patterns, including but not limited to personal injury, loss of life, loss of product, production time, equipment, property damage, lost profits, consequential damages of any kind and environment damage and/or cleanup.
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