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Equipment Application Guide

Reactor & Pressure Vessel Sealing Solutions

Chemical reactors and pressure vessels combine aggressive chemical reactions, extreme temperature swings, and cycling pressure/vacuum conditions. Sealing systems must maintain absolute containment of hazardous media throughout complex batch cycles.

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Key Engineering Considerations for Reactor Sealing

Reactor and pressure vessel service demands rigorous evaluation of chemical resistance and thermal stability:

Aggressive Chemical Media

Strong acids, caustic solutions, and reactive solvents necessitate high-grade metal alloys (Hastelloy, Alloy-20) and inert elastomers (FFKM, PTFE).

Thermal & Pressure Cycling

Exothermic batch reactions induce rapid thermal expansion and pressure fluctuations that can compromise standard elastomer and face sealing.

Emissions Control

Strict environmental and safety standards require zero fugitive emissions for volatile organic compounds and toxic process streams.

Relevant Reactor & Vessel Sealing Products

Selected Pressivon product solutions engineered for chemical reactor and pressure vessel service.

PV-A01Family: agitator-reactor-seals

Agitator / Mixer Seal

Agitator/mixer sealing series.

Shaft: 40 – 200 mm
Pressure: 6 bar
Temp: -20 to +150°C
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PV-A02Family: agitator-reactor-seals

Agitator / Mixer Seal

Agitator/mixer sealing series.

Shaft: 40 – 200 mm
Pressure: 6 bar
Temp: -20 to +150°C
View Technical Specifications →

Submit reactor operating conditions for engineering review

To ensure complete chemical and thermal compatibility for reactor service, please provide the following parameters:

• Vessel operating pressure & full vacuum limits
• Operating & exotherm peak temperatures
• Shaft size & rotational speed
• Complete chemical reaction constituents
• Cleaning / SIP / CIP fluid specifications
• Existing seal part number or vessel drawing
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Related Industries:Chemical Processing,Pharmaceuticals,Petrochemicals
Technical Reference:Resource Center