Goodyear Rubber Products
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STANDARD SINGLE CARTRIDGE SEALS GEM - GENERAL SERVICE ECONOMICAL MODEL SEAL The springs in the GEM are located in the seal gland and not sub- jected to centrifugal forces permitting this low-cost general ser- vice unit to operate on high PV factors. The cast gland reduces the cost of the seal and is ideal for installation on ANSI process pumps in pulp & paper, chemical processing, wastewater treat- ment, and wherever high speed applications are encountered Stationary Design The seal faces are squared 90 � to the centerline of the shaft pre- venting misalignment and allowing for better control of the paral- lel sealing gap eliminating axial adjustments that cause wear. Cartridge-Mounted A completely self-contained unit pre-assembled and pre-set at the factory for ease of installation. Compact The narrow cross-section allows for installation on stuffing boxes with minimal radial space without requiring modifications. This includes small ANSI pumps with 5/16" radial space. Versatile The slotted gland plate design allows the seal to fit a variety of stud and bolt circle diameters. Hydraulically Balanced Internal balancing provides for operation in higher pressures and reduces hydraulic loads resulting in cooler operation and extended reliability. This balance reduces power consumption. Isolated Multiple Springs Multiple springs provide even mechanical loads for cooler operation and are isolated to prevent clogging from process fluids containing suspended solids. GEM - SPECIFICATIONS Metal Parts: Standard metal parts and set screws: 316 SS Standard springs: Hastelloy� C Face Materials: Standard: High quality chemical grade carbon-graphite, solid nickel bound tungsten carbide, silicon carbide, and ceramic O-ring Materials: Standard: Viton�, EPR and AflasTM Optional: Perfluorinated Elastomers Operating Capabilities: Pressure: To 350 psig (24 bar g) Temperature: 32� to 400�F (0� to 205�C) Speeds: 7500 fpm (38 m/s) SEPCO� 7 Sealing Equipment Products Co., Inc.
Goodyear Rubber Products