New products / Vacuum Pump

CRVpro 8 CHEM XC Pump: A Corrosion-Optimized Rotary Vane Pump for Chemical Applications

Welch’s manufactures the CRVpro rotary vane pump range, a series of two-stage rotary vane pumps designed for various laboratory and industrial applications. These pumps are available in various sizes, with pumping speeds ranging from 2.5 liters per minute to 65 liters per minute, along with various configurations to suit specific applications, including corrosion-optimized pumps for chemical applications.

The CRVpro 8 CHEM XC pump is one corrosion-optimized rotary vane pump designed to cope with pumping corrosive chemical gases and vapours. It features a coated (PTFE) oil case to slow metal corrosion, a large oil case to reduce the risk of chemical attacks, and DN 16 KF inlet/exhaust flanges. It also has an anti-suck back valve, a low noise level, and forced oil lubrication.

Key Features of the CRVpro 8 CHEM XC Pump

  • Corrosion-optimized design for pumping corrosive and chemical gases and vapours
  • Coated oil case to slow metal corrosion
  • Large oil case to reduce the risk of chemical attacks
  • DN 16 KF inlet/exhaust flanges
  • Anti-suck back valve
  • Low noise level
  • Forced oil lubrication


The CRVpro 8 CHEM XC pump is ideal for a variety of chemical applications, including:

  • Chemical processing
  • Semiconductor manufacturing
  • Pharmaceutical manufacturing
  • Laboratory research
  • Vacuum freeze drying

The pump is also compatible with a variety of gases and vapours, including:

  • Acids
  • Bases
  • Solvents
  • Gases
  • Vapours

Here are some additional benefits of using the CRVpro 8 CHEM XC pump:

  • Long lifespan: Designed to last many years with proper maintenance.
  • Low maintenance: It requires minimal maintenance, making it a cost-effective option for long-term use.
  • Safe operation: Designed to operate safely, even with corrosive and chemical gases and vapours.
  • Easy to use: The pump is easy to use and maintain, even for users with limited experience.

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