Whether it is a carbon or silicon carbide primary ring, which is split into two halves, the retaining ring is used to hold the halves together while you do the assembly. If it doesn’t mesh right, it is not going to operate properly. Hundreds of engineering experts. The big advantage of shaft seals is that they eliminate the need for flax packing and the knuckle-busting experience (for some) of periodic tighening of a stuffing box nut. Delivering innovation and service to help you succeed. Delivering innovation and service to help you succeed. Copyright © 2021 John Crane Garlock Oil Seals by Shaft Size All dimensions are in inches. The major advantage of the split seal design is that it allows you to install the seal with no dismantling … Lightly press the spacers up against the seal chamber face. Put the bottom half of the gland plate under the primary ring so it engages and center the plate over the shaft using a different set of little plastic spacers. A split Klozure Oil Seal should be installed with the split at the top of horizontally mounted shafts. Over 200 global locations. Innovating for our customers. It is recommended for use on... Our inflatable backup seal is primarily used to hold process fluids, without leakage, while repairs are made to the primary... At Smiths we enable modern life. Tighten the screws and remove the spacers. Don't see what you're looking for? The lubricant is only there for ease of assembly, not to help the seal to operate. Split seals are preferably used on horizontal shafts, but can also be used on vertical shafts in grease lubricated applications. Another variety of dripless glands relies upon a lip seal that fits around the shaft. If you look closer, you will see us. This website uses cookies to ensure users have the best online experience. A mechanical seal is a device used to contain fluid within a vessel where a rotating shaft passes through housing, or sometimes where housing rotates around a shaft. Different seal types within these groups are described with their … If you look closer, you will see us. Setting the Operating Height of the Seal. 2. The primary function is to retain the bearing or system lubricant in the system to avoid leakage. Be sure to remove the plastic spacers. The sealing surface is created between the flat surfaces of the rotating stainless-steel rotor and the stationary carbon flange. During shipping, the mating ring may become dislodged from the sealing strip that is located behind the mating ring. If the equipment isn’t within its operating specs, the seal is not going to perform as designed. Designed Specifically for Mixers … Bring in the upper gland plate, align the captive screws with the holes in the lower plate and tighten. Installation of the two gland plate halves will complete the split-seal assembly. 3. Two-piece split cartridge mechanical seal. This website uses cookies to ensure users have the best online experience. Garlock offers many different PTFE shaft seal configurations for your application needs. Lip seals are common in industrial applications, such as hydraulic pumps and axle seals. SKF industrial shaft seals and accessories are divided into three main groups: • Radial shaft seals • Axial shaft seals and • Wear sleeves. SHAFT BORE WIDTH PART NO. Measure shaft runout to ensure it is within the tolerance of the seal. To learn more, read our. Watch a short video about John Crane’s 3740XL split seal that extends operational life to equipment and reduces maintenance cost due to reduction of seal leakage. Choose from single lip, dual lip with spring and single lip with spring seals … 7. |, Dynamic Lift Up-stream Pumping Face Technology, Rotator assembly with a mating ring, which attaches to the shaft. CinchSeal® self-adjusting and maintenance-free rotary shaft seals are designed for CEMA screw conveyors and bulk solids mixing and blending equipment. To insure proper functionality and prevent damage of the split Klozure Oil Seal or equipment, following the … These … In the last few years we have replaced all the main shaft seals at a hydropower site, 12 in all. When assembling these Split Seals, it is necessary to remove the garter spring from the sealing lip and then re-fit it when the seal has been mounted over the shaft. Preferred sizes are indicated with boldtype face. To set the proper operating height of the seal, the rotor assembly comes with little plastic spacers. The secondary function of a rotary shaft seal … Go Easy on O-Ring Lubricant. Helping solve the world's challenges. Shaft-to-Bore Misalignment Shaft-to-bore misalignment is the distance by which a shaft is off … • Durashield Shaft Seals come in Fully-Split, Semi-Split & Non-Split … A slippery PTFE surface allows these seals to function at speeds at least 25% faster than other rotary shaft seals. We make the world safer, healthier and more efficient. Which split seal installation success story is most memorable for you? If you notice a leak, or your transmission doesn't go into gear or shift properly, check your seals including the CV shaft seal. Dry Running Cartridge Split Seal. The Flexaseal 2-piece split cartridge mechanical seal is completely assembled and pressure tested before it is shipped to you. Finally, evenly torque the three assemblies together, flush up against the seal chamber face of the pump, with no gaps. Split Rotary Shaft Seals Sealing rotary motion at no pressure Typical applications: motors and pumps, gearboxes, rolling mills, calendars and mastication mills This product line is primarily designed to offer easy installation for oil, grease and bearing replacement seals … Avoiding this fix will create excessive seal leaking. The Type 3740D dry-running split seal is a mechanical seal designed for the large shaft run-out and harsh operating conditions commonly associated with top-entry vessel … By continuing to browse this website, you are giving your consent to the use of cookies. If you push too hard, the spacers will bend and affect the proper setting height of the rotor assembly. Check the new split seal to ensure there are no burrs or chips on any of the mating ring half faces that may have become damaged during shipping. The biggest advantage of split seals is that the pump motor does not need to be completely disassembled to get to the seal, reducing installation and maintenance time and labor. Split Clipper® rotary shaft seals have the same superior characteristics as solid general purpose Clipper oil seals, but are factory-split for easy installation. Once the rotor assembly is put together on the shaft, where the split-joint comes together, drag your fingernail across the split, ensuring that the joint is a smooth surface. Comment: Please take into account that with this type of Split Seal, the seam, when mounted on the shaft… SHAFT … For best seal performance, industry standards recommend that the lead angle of a shaft be 0° +/- 0.05° (+/- 3'). • Durashield Shaft Seals come in Fully-Split, Semi-Split & Non-Split … … Try the Product and Solutions Finder >. Instead of compressing two faces against each other, a spring compresses a rubber ring against the shaft. Below are seven tips to ensure your split seal installation goes smoothly: Make sure the shaft is free and clear of any debris, burrs, metal from the previous seal installation, and any defects to the shaft, especially in the area where the O-ring seals against the shaft. Split Rotary Shaft Seals Swap out old seals without disassembling components— these seals come split … We make the world safer, healthier and more efficient. Copyright © 2021 John Crane |, Dynamic Lift Up-stream Pumping Face Technology. 5. Profile Replace old seals without disassembling components— these seals come split for … This facility was replacing seals all the time and had very little time to do anything else other than seal repair. Gland Plate Installation, and Final Split-Seal Assembly. The Type A PSS Shaft Seal is a mechanical face seal. Sometimes installers in the field get too liberal with O-ring lube on the … HS6 and HSS6 seals (fig 11) are designed with a spring-loaded sealing lip and … Improper selection of shaft seals could result in the loss of production or exposure of personnel to a … Sizes listed are for standard nitrile elements, except Models 25 and 62 which have PTFE elements. • Standard production shaft sizes from 0.500” to 6.00” (metric sizing is also available) • Custom designs and additional larger shaft sizes up to 20" are available upon request. Rotary shaft seals provide sealing and wiping functionality for rotating and swiveling movements under low pressure and high velocity. Shaft nicks should be smoothed out to bring it back to the best condition possible. The Type 37FS fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. Shaft seals replace traditional stuffing boxes by using two polished surfaces, one stationary and one rotating, which form a seal around the prop shaft … A split seal has components split into two equal halves which are secured as one unit on the seal shaft. Over 200 global locations. If too much lubricant is used it can migrate to hot spots where the split faces make contact, resulting in blistering, chipping, seal damage and leakage. • Standard production shaft sizes from 0.500” to 6.00” (metric sizing is also available) • Custom designs and additional larger shaft sizes up to 20" are available upon request. It may be damaged by debris or dry out, crack, or split, which may cause a transmission leak. MECO Seal designs and manufactures split and unsplit shaft seals for rotating process machinery including, mixer seals, dryer seals, conveyor seals, extruder seals, blender seals, paper pulper seals as well as seals … Innovating for our customers. Split seals, newly shipped from the factory, are preassembled into three different sub-assemblies: Although supplied installation and assembly procedures are very complete, it doesn't hurt to punch up a couple points. They replaced over 45 main shaft seals … They perform two essential functions. Lip Seals. Mechanical split seals are designed for relatively low-duty pumps used in many industries for aqueous applications where the process fluid being sealed would not be considered hazardous. Your fingernail should not snag on anything. Place them on the back side of the mating-ring adapter of the rotor assembly. To learn more, read our. Lay the primary ring on the face of the rotor assembly, center it and turn it to make sure everything is smooth. Due to their non-wearing design, Air Mizer shaft seals … Shaft Seals. Check to make sure there is a consistent gap between the OD of the mating-ring face and the ID of the mating-ring adapter piece. The CV shaft seal keeps fluid from leaking from the transaxle by sealing around the CV shaft. What is a split mechanical seal? Helping solve the world's challenges. FDA-approved silicon and PTFE-wearable … Hundreds of engineering experts. The Type 37FSB fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. Creating the future. Rotary Shaft Seals. If any raised edge catches, the parts have not gone together correctly, and the seal should be disassembled and inspected to find out why the seal faces are not fitting tightly together. Creating the future. 9700 Rotary Shaft Seals The 9700 split seal is machined out of stainless steel and all internal parts meet USDA standards for indirect food contact. Get dependable rotary shaft seals from Grainger. Help retain bearing lubricant and minimize the entry of dirt, oil and moisture that can damage and cause premature failure of the bearing and other components. By continuing to browse this website, you are giving your consent to the use of cookies. The Type 3710 mechanical seal uses our advanced split seal technology to meet today's environmental guidelines as well as future regulations. Shaft seals prevent contamination of bulk materials being conveyed or the leakage of bulk materials. In applications where there are harsh chemicals, or food presence; the use of a PTFE shaft seal is the solution. Sometimes installers in the field get too liberal with O-ring lube on the elastomers; you only need very little O-ring lubricant to do the assembly. Inspect the Rotor Assembly of the New Split Seal. At Smiths we enable modern life. If there is a gap, apply pressure with your thumbs up and into the gap and the mating ring will pop back into proper position. Other material available on inquiry only. Check the Position of the Rotor Assembly on the Shaft. 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