John Crane shaft mechanical seals

1 company | 17 products
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cartridge mechanical seal
cartridge mechanical seal
28VL

Operating pressure: 0 bar - 124 bar
Operating temperature: 204 °C

... the rotational energy of the pump shaft to vaporize the process fluid at a controlled rate, creating a stable gas film that lubricates the seal faces. Typical problems, such as dry-running wear, vapor ...

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John Crane
bellows mechanical seal
bellows mechanical seal
1 series

Operating pressure: 0 bar - 82 bar
Operating temperature: -40 °C - 205 °C

... the Type 1 elastomer bellows seal is widely recognized as the industry's workhorse. Suitable for a wide range of service conditions ranging from water and steam to chemicals and corrosive materials, the Type 1 mechanical ...

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John Crane
bellows mechanical seal
bellows mechanical seal
502 series

Operating pressure: 40 bar
Operating temperature: -40 °C - 205 °C

The Type 502 mechanical seal is one of the best-performing elastomeric bellows seals available. It is suitable for general service and provides excellent performance in a wide range of ...

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John Crane
cartridge mechanical seal
cartridge mechanical seal
1604

Operating pressure: 0 bar - 25 bar
Operating temperature: -100 °C - 425 °C

... 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 ...

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John Crane
cartridge mechanical seal
cartridge mechanical seal
3604 series

Operating pressure: 0 bar - 42 bar
Operating temperature: -75 °C - 425 °C

... pump OEMs. These dependable stationary API 682 cartridge seals utilize an impressive design innovation by incorporating high-temperature, corrosion-resistant sealing (HTC) technology for superior seal ...

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John Crane
dual-cartridge mechanical seal
dual-cartridge mechanical seal
5625/5625P series

Operating pressure: 0 Pa - 2,100,000 Pa
Operating temperature: -29 °C - 204 °C

... 5625 dual seal arrangements incorporate a edge-welded metal bellows seal head. The seal head/mating ring set is reversible allowing for stationary and rotating arrangements ...

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John Crane
bellows mechanical seal
bellows mechanical seal
604

Operating pressure: 0 bar - 25 bar
Operating temperature: -75 °C - 425 °C

... maximum reliability. The stationary bellows design accommodates high shaft-to-seal-chamber misalignment. Unlike rotating seals that must flex on every revolution to accommodate shaft-to-seal-chamber ...

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John Crane
cartridge mechanical seal
cartridge mechanical seal
606

Operating pressure: 0 psi - 1,000 psi
Operating temperature: -75 °C - 425 °C

... arrangements. Available with secondary containment. Elastomer-free design with flexible carbon graphite secondary seals. Seal face is available with premium-grade carbon, silicon carbide, ...

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John Crane
cartridge mechanical seal
cartridge mechanical seal
609HTC

Operating pressure: 0 psi - 450 psi
Operating temperature: -75 °C - 125 °C

... bellows assembly intended for those demanding applications where a dependable, high-strength, rotating seal is preferred. Typical applications for these seals include hydrocarbons, aromatic fractionation ...

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John Crane
cartridge mechanical seal
cartridge mechanical seal
670 series

Operating pressure: 0 psi - 360 psi
Operating temperature: -75 °C - 290 °C

... rotating bellows seal, providing high strength and excellent corrosion resistance. It is extremely durable in applications where temperature and media (fluid) result in an aggressive environment. The Type 670 has been ...

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John Crane
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