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MECHANICAL SEAL CATALOG

The working pressure for governor systems vary, but generally the pressure required to apply the necessary squeeze is half of the working pressure. The servomotor stops usually must be adjusted to absorb part of the excess force of the full working pressure. Also the servomotor stops must be adjusted so that each servomotor applies the same amount of squeeze at the end of the stroke to prevent distortion of the operating ring and headcover. In extreme cases, unequal servomotor squeeze can distort the turbine bearing housing, causing a bearing wipe or causing the turbine runner to contact. | MECHANICAL SEAL CATALOG ệ CHESTERTON Global Solutions Local Service. TABLE OF CONTENTS SECTION I Product Overviews Cartridge Seals 180 Heavy Duty Single Seal.8 280 Heavy Duty Dual Seal.9 155 Standard Single Seal.10 255 Standard Dual Seal.11 150 General Purpose Single Seal.12 250 General Purpose Dual Seal.13 Cassette Seals S10 High Performance Single Seal.14 S20 High Performance Dual Seal.15 Metal Bellows Seals 186 Bellows Cartridge Single Seal.16 286 Bellows Cartridge Dual Seal.17 186HT Bellows Cartridge Single Seal.18 286HT Bellows Cartridge Dual Seal.19 886 Rotary Bellows Single Seal .20 886HT Rotary Bellows Single Seal.21 Split Seals 442 Split Mechanical Seal.22 442M Split Mixer Seal.23 442PR Split Pumping Ring Seal.24 Gas Lubricated Seals 4400 Gas Seal .25 4410 Slow Speed Gas Seal.26 Component Seals 891 Rotary Inside Single Seal.27 491 DIN Rotary Inside Single Seal.28 440 Non-Metallic External Single Seal.29 Stationary Seal Rings.30 Mixer Seals 442M Split Mixer Seal.31 280M Heavy Duty Mixer Dual Seal.32 4410 Slow Speed Gas Seal.33 Slurry Seals 170 Slurry Cartridge Single Seal.34 156 Slurry Single Seal.35 Specialty Seals High Viscosity Cartridge Seal.36 DirectFit Single and Dual Seals . 37 - 38 442PR Split Pumping Ring Seal . 39 225 Tandem Cartridge Dual Seal.40 General Bearing Seal . 41 Support Systems SpiralTrac Environmental Controllers.42 Flow Guardian Flow Meters.43 High Capacity Support Tanks.44 Closed Loop Tank System 45 Intelli-Flow 46 SECTION II Mechanical Seal Installation Data 180 Heavy Duty Single Seal .52 - 55 280 Heavy Duty Dual Seal.56 - 57 280M Heavy Duty Mixer Dual Seal.58 - 61 155 Standard Single Cartridge Seal.62 - 65 255 Standard Dual Cartridge Seal . 66 - 69 150 Single Cartridge Seal .70 - 71 250 Dual Cartridge Seal 72 - 74 S10 Single Cassette Seal 75 - 78 S20 Dual Cassette Seal . 79 - 82 186 Bellows Cartridge Single Seal.83 286 Bellows Cartridge Dual Seal .84 186HT Bellows Cartridge Single Seal.85 - 86 886 Rotary Bellows Single Seal.87 .