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STANDARD DOUBLE CARTRIDGE SEALS DTP - DOUBLE TANDEM PUMPER SEAL The SEPCO� DTP is a multiple cartridge mounted seal design that is simple, rugged, and highly dependable yet cost less than most competitors' comparable repaired seals. It is suitable in all types of industries where leakage of hazardous or costly products can- not be tolerated and where positive lubrication is required from an external source without dilution of the pumped product. Cartridge Mounted The DTP is a completely self contained unit pre-assembled and pre-set at the factory for ease of installation and maintenance on equipment where axial adjustments are required. Reciprocal Balanced The inboard seal is hydraulically balanced to permit the seal to operate in either a double or tandem mode. This allows lubrica- tion to the inboard seal faces without separation and leakage. Pumping Ring with Tangential Drilled Flush Connections This feature allows the DTP to remove destructive frictional heat from the double seal cavity for cooler operation and extended reli- ability and makes it ideal for use on closed-loop flush systems. Clamped-In Mating Rings The stationary seats are clamped in allowing for higher pressure conditions and are exposed to the flow of flush liquid aiding in heat transfer and cooler operation. Versatile The seal gland is slotted to provide versatility in mounting and machined for superior strength and corrosion resistance. Flush connections are located to facilitate piping from the side without trapping air in the double seal cavity and causing excessive frictional heat and rapid face wear. DTP - SPECIFICATIONS Metal Parts: Standard metal parts: 316 SS Optional: Alloy 20, titanium, Hastelloy�, and low expansion alloys Face Materials: Standard: High quality chemical grade carbon-graphite and silicon carbide Optional: Solid nickel bound tungsten carbide. O-ring Materials: Standard: Viton�, EPR and AflasTM Optional: Perfluorinated Elastomers Operating Capabilities: Pressure: Inboard Seal: 350 psig (24 bar g) Pressure Differential Outboard Seal: To 150 psig (10 bar g) Temperature: Inboard Seal: To 400�F (205�C) Outboard Seal: To 250�F (121�C) Speeds: 5000 fpm (25 m/s) � 8 SEPCO Sealing Equipment Products Co., Inc.
Goodyear Rubber Products
