Goodyear Rubber Products
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SPECIAL DUTY SEALS - SINGLE COMPONENT PDC - POSITIVE DISPLACEMENT COMPONENT The SEPCO� PDC is a single, internal component seal designed for positive displacement pumps, equipped with seal only stuff- ing boxes, moving highly viscous, abrasive and sticky fluids. Isolated multiple springs will not clog from suspended solids in the pumped product and will provide even mechanical loads. The simple yet rugged design is highly dependable and inexpensive. Compact The short operating height allows installation on equipment with limited axial space in the stuffing box. O-Ring Design Use of o-rings as secondary seals allows for installation on prod- ucts that are highly corrosive to standard elastomers where PTFE secondary seals are normally required. Rugged Rotation is achieved with lugs and three strategically located knurl point hardened steel set screws that provide positive drive on applications where high torque conditions are encountered. Internally Balanced Balance is achieved internally to provide controlled hydraulic loads. Static Secondary Seal The shaft o-ring is not required to move axially to adjust for seal face misalignment preventing fretting and wear that requires replacement of expensive shafts. High Torque Stationary Seat The stationary seat is designed to reduce the possibility of spinning and mechanical breakage on products that are sticky. PDC - SPECIFICATIONS Metal Parts: Standard metal parts: 316 SS Standard springs: Hastelloy� C Face Materials: Standard: High quality chemical grade carbon-graphite or solid nickel bound tungsten carbide Optional: Silicon carbide or 17-4PH stainless steel O-ring Materials: Standard: Viton�, EPR and AflasTM Optional: Perfluorinated Elastomers Operating Capabilities: Pressure: To 350 psig (24 bar g) Temperature: To 400�F. (205�C) � 12 SEPCO Sealing Equipment Products Co., Inc.
Goodyear Rubber Products
