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Summary of Contents for DeZurik KSL-SD
- Page 1 DeZURIK 2-24” (50-600mm) KSL-SD SLURRY KNIFE GATE VALVES D11046 Instruction December 2021 DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | www.dezurik.com | info@dezurik.com...
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Page 2: Instructions
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 2—24” KSL-SD SLURRY KNIFE GATE VALVES Table of Contents Instructions ................................ 2 Safety Messages ............................... 2 Inspection ................................2 Parts .................................. 2 DeZURIK Service .............................. 2 Description ................................ 4 Installation ................................. 4 Installation continued ............................5 Gravity (Dry) Service Installation ........................5 Operation ................................ -
Page 4: Description
2—24” KSL-SD SLURRY KNIFE GATE VALVES Description The KSL-SD is available in 2—24” (50-600mm) sizes, with a choice of several actuators and accessories. The gate is removable for inspection or replacement while the valve is in an open position during service. -
Page 5: Installation Continued
DeZURIK 2—24” KSL-SD SLURRY KNIFE GATE VALVES Installation continued CAUTION The KSL - SD knife gate valve is designed to discharge media to atmosphere when stroking to prevent solid build - up that may cause leakage. If installing over walkways, electrical equipment or other equipment, ensure that proper precautions (such as the installation and plumbing of the optional drain plate) are taken. -
Page 6: Lubrication (For Non-Dry Service Installations)
DeZURIK 2—24” KSL-SD SLURRY KNIFE GATE VALVES Lubrication (for Non-Dry Service Installations) Lubrication is provided to the top seal and sleeves by four 1/8” grease fittings in the body of the valve. See Table 2 for a list of approved silicone based lubricants. See Table 3 for recommended lubrication intervals. -
Page 7: Drawings
DeZURIK 2—24” KSL-SD SLURRY KNIFE GATE VALVES Drawings ( A5) TOP SEAL PLATE A8) SCREW A4) TOP SEAL ( A2) GATE A1) BODY A7) LOCK WASHER A8) SCREW ( A6) FLAT WASHER ( A7) LOCK WASHER ( A6) FLAT WASHER... -
Page 8: Top Seal Replacement
DeZURIK 2—24” KSL-SD SLURRY KNIFE GATE VALVES Top Seal Replacement The resilient molded top seal is designed to apply even sealing force to the top of the valve. The seal must be replaced if it has been damaged or if it still leaks after it is fully tightened. -
Page 9: Sleeve Replacement
DeZURIK 2—24” KSL-SD SLURRY KNIFE GATE VALVES Sleeve Replacement The sleeves provide a drip-tight seal when the valve is closed. If either sleeve is to be replaced, the valve must be removed from service. Removing the Sleeves WARNING! Pipeline pressure can cause personal injury or equipment damage. Relieve pipeline pressure before servicing. -
Page 10: Storage And Shipping
DeZURIK 2—24” KSL- SD SLURRY KNIFE GATE VALVES Storage and Shipping All KSL-SD valves are shipped in the open position. This is also the recommended position for installation and storage. • The valve should be stored away from direct sunlight, excessive heat, and extreme weather conditions to prevent premature deterioration of the resilient components. -
Page 11: Troubleshooting
DeZURIK 2—24” KSL- SD SLURRY KNIFE GATE VALVES Troubleshooting Condition Possible Causes Corrective Action Top seal is worn or torn Replace top seal Top seal leaks during gate Replace gate and top seal, check closing or opening Gate is galled... - Page 12 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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