Compressor Seals

Astra Seals AS CMS7001 cartridge mechanical seal for compressors. Double end, balanced cartridge design with integrated cooling jacket. Designed for demanding gas compression applications with high reliability and zeroemission requirements.

Astra Seals AS BB174 metal bellow mechanical seal for compressors. Single end, balanced, metal bellow design with no dynamic elastomer — ideal for hightemperature and corrosive gas applications. Welded metal bellow provides excellent seal tracking and eliminates fretting corrosion.

Astra Seals AS WKA1200 cartridge mechanical seal for centrifugal and turbo compressors. Double balanced cartridge with integrated bearing support. Designed for highspeed, highpressure gas compression with excellent dynamic tracking capability.

Astra Seals AS BB47A metal bellow mechanical seal for compressors. Compact single end balanced design with welded metal bellow. No springs or dynamic elastomers for clean gas applications. Excellent for refrigeration and process gas compressors.

Astra Seals AS MSL200S mechanical seal for screw and rotary compressors. Multi spring balanced design optimized for oilinjected screw compressor applications. Compact radial dimensions suitable for tight compressor housing designs.

Astra Seals AS RMS7001 cartridge mechanical seal for gas compressors. Robust double cartridge design with independent direction of rotation. Engineered for pipeline and process gas compression with high reliability under variable operating conditions.

Astra Seals AS T93FR mechanical seal for turbo and multistage compressors. Compact double end balanced design with excellent highspeed performance. Suitable for clean gas and process gas compression applications.