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Cartridge mechanical seal 1604
springbellowsfor shafts

cartridge mechanical seal
cartridge mechanical seal
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cartridge, spring, bellows
for shafts
metal, granite, carbon
Other characteristics
high-performance, high-temperature
Operating pressure

Max.: 25 bar (363 psi)

Min.: 0 bar (0 psi)

Operating temperature

Max.: 425 °C (797 °F)

Min.: -100 °C (-148 °F)


Single Stationary API 682/ISO 21049 Metal Bellows Cartridge Seal Type C, Arrangement 1 The Type 1604 high-temperature, high-performance Type C, Arrangement 1, API 682/ISO 21049 qualified cartridge seal is designed for high-temperature applications such as hot hydrocarbons and crude oil fractionation products. The Type 1604 utilizes a stationary Inconel 718 welded metal bellows with flexible carbon graphite secondary seals. The stationary mounted metal bellows seal is able to handle higher shaft speeds. The Type 1604 utilizes a segmented spring-loaded carbon throttle bushing for effective containment and can come equipped with a retained mating ring for vacuum service. The Type 1604 is often supported by an API Plan 62 quench (steam) and a steam guide for effectively routing of the steam to the seal faces to help eliminate any coke build-up that could occur when sealing hot hydrocarbons. Features California Residents: PROPOSITION 65 WARNING High-performance John Crane edge-welded metal bellows API 682/ISO 21049 Type C, Arrangement 1 qualification tested Segmented spring-loaded carbon throttle bushing for effective containment Steam guide for effective steam quench Capable of high speeds to 10,000fpm/50m/s Inconel bellows for corrosion resistance and high strength Retained mating ring for vacuum service Available with hard faces


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