John Crane mechanical seals for the chemical industry

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 ...

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 ...

Operating pressure: 0 Pa - 6,200,000 Pa
Operating temperature: -40 °C - 230 °C

High-pressure Elastomer O-ring Seal A DIN seal for general- and high-pressure duties in the processing, refinery and petrochemical industries. Alternative seat designs ...

Operating pressure: 0 bar - 13 bar
Operating temperature: -45 °C - 120 °C

PTFE Bellows Seal for Extreme Corrosion Resistance A complete externally mounted PTFE seal with exchangeable face insert for use in extremely corrosive applications such as high concentrations of acids, ...

Operating pressure: 0 psi - 150 psi
Operating temperature: -45 °C - 121 °C

... and 20R shaft seals feature chemically inert materials in all areas and on all surfaces in contact with the liquid being sealed. Metallic components, springs and clamp ring are located outside the pump seal ...

Operating pressure: 0 bar - 24 bar
Operating temperature: -100 °C - 500 °C

Shaft-mounted Multi-spring Wedge Seal A wedge seal for use on corrosive applications, typically for chemical or hydrocarbon processing. Features California Residents: PROPOSITION ...

Operating pressure: 0 bar - 15 bar
Operating temperature: -45 °C - 150 °C

Single Dry-running Mixer and Agitator Seal The cost-efficient Type 32 vessel seal is an outside-mounted balanced single-component seal with self-lubricating seal faces. ...

Operating pressure: 0 Pa - 1,800,000 Pa
Operating temperature: -40 °C - 200 °C

... standardization and broad material options make this seal a cost-efficient solution for general-duty applications in the chemical and pharmaceutical industry. Standard ...