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Product Gallery Welch 8917C-80 Freeze Dryer Pump - Chemtech Scientific

Last 5 Products Reviewed

Welch 8917C-80 Freeze Dryer Pump

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$ 3,822.70

 $ 4,445.00

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*****ALERT*****

Manufacture Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: 

https://www.chemtechsci.com/products/welch-crv-pro8-catalog-3061-01-direct-drive-pump

The Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.

  • Consumes up to 36% less oil than comparable pumps
  • Runs 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.
  • Has a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.
  • Has a chemical resistant coating in the oil case and pump module. Protects non-moving parts.
----------------------------------------------------------------------------------------------------------------
Welch 8917C-80 Freeze Dryer Pump
  • Fast solvent sublimation
  • Durable, chemical resistant performance
  • Portable and powerful

Welch freeze dryer vacuum systems provide deep vacuum and excellent chemical resistance in demanding applications. Based on direct-drive rotary vane technology, the Welch freeze dryer system has an integrated oil purification module that continually neutralizes oil pH and removes particulates. This side-mounted purification module also extends pump oil volume to 1.3 liters for superior contaminent dilution and longer oil life. Achieves vacuum levels down to 1x10-4 torr (0.1 micron) with flow of 173 L/min. Use Welch Gold Oil for maximum resistance to chemical attack. Handles harsh chemicals such as TFA, acetonitrile, HBr.

 

*****ALERT*****

Manufacture Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: 

https://www.chemtechsci.com/products/welch-crv-pro8-catalog-3061-01-direct-drive-pump

The Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.

  • Consumes up to 36% less oil than comparable pumps
  • Runs 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.
  • Has a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.
  • Has a chemical resistant coating in the oil case and pump module. Protects non-moving parts.
----------------------------------------------------------------------------------------------------------------
Welch 8917C-80 Freeze Dryer Pump
  • Fast solvent sublimation
  • Durable, chemical resistant performance
  • Portable and powerful

Welch freeze dryer vacuum systems provide deep vacuum and excellent chemical resistance in demanding applications. Based on direct-drive rotary vane technology, the Welch freeze dryer system has an integrated oil purification module that continually neutralizes oil pH and removes particulates. This side-mounted purification module also extends pump oil volume to 1.3 liters for superior contaminent dilution and longer oil life. Achieves vacuum levels down to 1x10-4 torr (0.1 micron) with flow of 173 L/min. Use Welch Gold Oil for maximum resistance to chemical attack. Handles harsh chemicals such as TFA, acetonitrile, HBr.

 

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