John Crane 59U Pump Shaft Seal

59B: John crane Type 59B AES M04 balanced mechanical seal    

Description:    

59B: PTFE wedge seal replacement of John crane Type 59B AES M04 Sterling 294 Vulcan 1659B Burgmann BT-C56.KB    

59B: John Crane Type 59B mechanical seal    

Structure Description:    

Equivalent to John Crane Type 59B    

Multiple spring , balanced seal    

Operating Limits:    

Temperature:-40---250℃    

Speed: 15m/s    

Pressure: 25bar    

Standard size: 14-100mm    

Materials:    

Seal ring: Car,Sic,Ssic,TC,Ceramic    

Secondary seal: NBR,EPDM,Viton, etc.    

Spring and metal parts:304,316,HAST.C    

59B is a hydraulically balanced multispring DIN 24960 seal giving low face loading at high pressures.    

General chemical applications, oil refining, petrochemical, and pharmaceutical industries.    

Suitable for use with corrosive fluids and for cryogenic and high-temperature applications.    

By choosing suitable component materials, the seals canbe adapted to operate with a wide range of liquids and operating conditions.