Application Descriptions

  • Bottling: Packages and bottles are evacuated prior to filling to facilitate the process.
  • Solvent Recovery: Removal and recovery of solvents generally from a powder product.
  • Vacuum Stripping: Vacuum distillation or stripping utilizes vacuum to do things such as break azeotropes or simply operate more efficiently.
  • Vacuum Sterilization: Using a vacuum pump to evacuate a sterilization chamber

Vacuum Pump Systems for Ethylene Oxide (EtO) and Steam Sterilizers

Wintek supplies custom-engineered state-of-the-art vacuum systems for a wide ranges of sterilizer applications.

Steam Sterilizers

These are the most basic requirements utilizing either once-thru or full recovery water sealed liquid ring vacuum systems. Larger systems include pre-condensers.

100% EtO Sterilizers: Water-Sealed Vacuum Systems for Sterilizers

Wintek also has many Water-Sealed vacuum systems in use with 100% Ethylene Oxide (EtO) sterilizers and are engineered with the previously described water limitations in mind. As long as proper operating procedures and design parameters are followed, reliable performance is assured, although capacity will decrease as EtO dissolves into the water sealant. Wintek has even provided boosted liquid ring vacuum systems on EtO service for one client with a vacuum requirement of 0.03 mmHgA.

Synthetic Oil Sealed Vacuum Systems for 100% EtO Sterilizers

Wintek’s synthetic oil sealed vacuum systems developed for 100% EtO gas sterilizers, which eliminate the capacity and end vacuum losses inherent with gas contamination in water-sealed systems. Wintek has mastered the concept of using synthetic seal fluids with rugged liquid ring pumps and has adapted this technology for 100% EtO. Our synthetic sealant does not react with EtO and is essentially insoluble.

Consistent Capacity

Our experience with 100% EtO systems has proved that the water sealed designs, such as those which our competitors are limited to, experience capacity problems because of EtO solubility in water. Our Synthetic sealed vacuum system provides consistent repeatable performance since the EtO is not soluble in the sealant. In addition, this vacuum system is unaffected by cooling water temperatures (although the condenser efficiency will be affected).

Higher End Vacuum

Wintek’s WO2 sealant is a low vapor pressure fluid which allows operation near 15 Torr (29.5″HgV) with a liquid ring vacuum pump, regardless of operating temperature, and without concern for EtO contamination. Water sealed units have an end vacuum of 26 Torr (29″HgV) only with uncontaminated, 60oF seal water. Higher seal water temperatures and any EtO contamination results in loss of capacity and end vacuum.

Boosted Systems (<0.1 Torr End Vacuum)

Wintek can add air jets and/or rotary lobe boosters to increase pumping speed or approach final vacuum levels down to 0.03 Torr. Proper booster engineering involves many interconnected parameters and cannot be done by simply looking at a chart in product literature. Wintek’s experiences and references of boosted liquid ring systems are unmatched by even our better-known competition.

Vacuum Systems for Pilot Plants

Wintek has designed numerous pilot plant vacuum skids, many include knock-out pots, condensers, pressure control, transmitters, etc. Each pilot plant skid is designed after in-depth discussions with the customer to specify vacuum level, capacity, range of vapors handled, expected operator interface, level of instrumentation, etc. A complete review of advantages and disadvantages of each type of vacuum pump is presented to the customer for a full understanding of the system capabilities. Contact Wintek with your requirements.

Pilot Plant Vacuum System for major Pharmaceutical Company Boosted Rotary Vane vacuum system with SS Knock-out Pot, condenser, receiver.

Pilot Plant Vacuum System for major Pharmaceutical Company 10 HP 2-stage Liquid Ring Vacuum Pump, all 316ss, ASME

Pilot Plant Vacuum System for Small Scale Organics of major Pharmaceutical Company. 15 HP once-thru-oil vane pump Hastelloy KOPot, condenser, receivers.