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XperSEAL - reliable rod sealing for zero gas leakage from reciprocating compressors

We set standards. HOERBIGER designs, manufactures and services pressure packings, piston rings and rider bands for original equipment manufacturers and compressor operators. We design and test our sealing systems for the most challenging operating conditions. From chemically inert to highly reactive gases, at temperatures from cryogenic to roasting, from bone-dry to wet, and from vacuum to high pressures – we have it covered. HOERBIGER has developed a new one-of-a kind rod sealing system for reciprocating compressors: XperSEAL.

What’s behind XperSEAL?
The basic idea behind the XperSEAL is simple. A pressurized volume of oil surrounds the reciprocating rod and is kept in place by specially designed oil seal rings. This oil barrier prevents pressurized process gas from leaking along the rod as long as the oil pressure exceeds the process gas pressure. The higher dynamic viscosity of oil as compared to gases and the use of elastohydrodynamic effects allow optimal rod sealing and packing lubrication, while keeping oil loss to a minimum.

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