约翰克兰John Crane SB系列 培训指南.pdf

Heavy Duty Cartridge Seals SB1, SBW and SB2 Safeseal SB1 Versatile seal for clean fluids and lubricants Typical applications 1. Balanced construction Safeseal SB1 is a single cartridge seal for use with clean Sudden changes in pressure do not affect seal function. fluids and lubricants: e.g., water, oil, solvents, and pulp (con- 2. Springs are located in the stationary part of the seal sistency ≤2%). Generally it is used in pumps in the Shaft misalignment will not vibrate the springs or wear pulp paper industry, as well as in power plants. out the O-rings. The SB1 cartridge seal fits in various pumps as well as 3. SiC/carbon faces are standard in other processing equipment. Ideal for the high speeds found in condensate and high The SB1 seal is versatile, easy to install and maintain. pressure pumps. Although the design of the seal is simple, it contains 4. Cartridge design advanced technical features such as patented seal face Easy to install, reducing possibilities of human error. holders and an elastic thrust ring. No measurements necessary for installation. Features 5. No drive pins in contact with faces The balanced cartridge design makes the SB1 seal applica- No face cracking during start-up. ble for a wide range of demanding conditions. 6. Available in different materials Selection covers all single seal applications. Technical specifications Stuffing box pressure max. 15 bar (215 psi) Speed max. 20 m/s (65 ft/s) Temperature