Goodyear Rubber Products
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SPECIAL DUTY SEALS - SINGLE CARTRIDGE ESC - EXTERNAL SINGLE CARTRIDGE SEAL The SEPCO� ESC is a single, external, cartridge-mounted unit designed for operation on clean, lubricating, fluids that are corro- sive to standard 316SS parts. Alloy 20 wetted parts and a carbon- filled PTFE gland make this seal ideal for use in sulfuric acid. The stationary design eliminates face misalignment eliminating wear in secondary areas of the seal. Cartridge Mounted The unit is a completely self-contained design that is pre-assem- bled and pre-set at the factory for ease of installation and main- tenance on equipment where axial adjustments are required. Stationary Design This design squares the faces 90� to the center-line of the shaft preventing misalignment allowing better control of the parallel sealing gap while eliminating axial adjustments that cause wear. Hydraulically Balanced Internal balancing reduces power consumption and provides for cooler operation in higher pressures extending seal reliability. Isolated Multiple Springs This provides even mechanical loads for cooler operation and are isolated to prevent clogging from process fluids. Static Shaft O-Ring The shaft o-ring is static and is not required to move axially to adjust for misalignment preventing fretting and eliminating the need to replace expensive shafts and sleeves. Versatility The seal gland is slotted to provide maximum interchangeability and the short external length will fit equipment with min- imal first obstruction space. ESC - SPECIFICATIONS Metal Parts: Standard parts: Alloy 20 wetted parts, carbon filled PTFE Gland Standard springs and drive pins: Hastelloy� C Face Materials: Standard: Acid grade carbon-graphite, silicon carbide, and high purity ceramic O-ring Materials: Standard: Viton�, EPR and AflasTM Optional: Litharge cured Viton� and Perfluorinated Elastomers Operating Capabilities: Pressure: To 150 psig (10 bar g) Temperature: 32� to 250�F (0� to 121�C) Speeds: 2600 fpm (13 m/s) SEPCO� 19 Sealing Equipment Products Co., Inc.
Goodyear Rubber Products
