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TYPE 2715T

TYPE 2715T
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^TYPE 2715T/609 SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification A - Mating Ring (outer) B - Insert (outer) C - Pumping Ring D - Bellows Assembly (outer) E -Mating Ring (inner) F -Insert (inne^^K^ G -Flexible Carbon ^ Graphite H - Bellows Assembly (inner) I -Spiral Wound Gasket Product Description Performance Capabilities High Temperature Bellows Seals that withstand temperatures up to 425°C/800°F • Single and dual arrangements • Edge-welded metal bellows • Optimum seal arrangements for high temperature heat transfer fluids • Temperature: -75°C to +425°C/-100°F to +800°F • Pressure: up to 20 bar g/300 psig • Speed: up to 25 m/s / 5000 fpm • End play/axial float allowance: 0.13mm/0.005" FIM max. • Runout/out of squareness: 0.001mm/0.001" FIM max. per mm/inch of shaft diameter. • Fits pumps that are packed or sealed • Easy-to-install cartridge design • Only one moving part, the bellows • Flexible graphite packings - no thermal degradation of the secondary packing • Available with silicon carbide or tungsten carbide face for carbonizing heat transfer fluids • Integral pumping ring for dual arrangements - no thermosiphoning or expensive auxiliary pu

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^TYPE 2715T/609 SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification Type 2715T Typical Arrangement Type 2715T Dimensional Data (inches) Cartridge Dean A C D (inches) Model +0.000/-0.002" B +0.002/-0.000" +0.000/-0.003" EFG (Bolt Circle) J 1.500 R434 1.499 2.250 2.500 3.437 2.724 2.293 1.703 4.125 5.875 Cartridge seal size equals solid shaft or pump sleeve OD.

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SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification Type 609 Typical Arrangement Type 609 Dimensional Data (inches) Cartridge Dean A C D (inches) Model +0.000/-0.001" B +0.002/-0.000" +0.000/-0.003" E F Cartridge seal size equals solid shaft or pump sleeve OD. Oversize bore version.

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SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification Basic Pressure Rating Carbon vs. Silicon Carbide — — Silicon Carbide vs. Silicon Carbide or Tungsten Carbide Dean Bros. Pump Model The basic pressure rating is for a standard seal, as shown in the typical arrangement, when installed according to the criteria given in this data sheet and generally accepted industrial practices. The basic pressure rating assumes stable operation at 1800 rpm in a clean, cool, lubricating, nonvolatile liquid with an adequate flush rate. When used with the multiplier factors, the basic pressure...

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TYPE 2715T/609 SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification Piping Recommendations for Single Arrangements API Plan 02 (ANSI Plan 7302) Dead-ended Seal Chamber with No Circulation of Flushed Fluid. API Plan 62 (ANSI Plan 7362) External Fluid Quench (steam). Plugged connections for future circulating fluid Dean Pump Co. pumps are usually fitted with a jacketed seal chamber. Ensure cooling water is provided to the seal chamber jacket to reduce product temperature and improve its lubricating properties in the area around the seal. Do not recirculate product if a cooling...

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SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification Materials of Construction SEAL COMPONENTS

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^TYPE 2715T/609 SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification

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SINGLE/DUAL CARTRIDGE, METAL BELLOWS SEALS Technical Specification Dowtherm G is a registered trademark of Dow Chemical Company. Latin America Brazil NorthAmerica Europe United States of America United Kingdom United Arab Emirates Singapore smiths bringing technology to life If the products featured will be used in a potentially dangerous and/or hazardous process, your John Crane representative should be consulted prior to their selection and use. In the interest of continuous development, John Crane Companies reserve the right to alter designs and specifications without prior...

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