Welch CRVpro Rotary Vane Vacuum Pumps

Consumes less oil by cool running operation
  • Large oil capacity minimizes rates of oil breakdown
  • Chemical-resistant coating in oil case and pump module protects non-moving parts
  • Up to ≤50 dB (A) noise level for undisturbed work
  • IP54 enclosure rating
The CRVpro series two-stage, direct-drive rotary vane vacuum pumps offer a unique airflow design allowing them to run 10°C cooler than standard rotary vane pumps, leading to reduced chemical activity within the pump and less oil consumption—up to 36% less than comparable pumps. The oil-sealed pumps feature a gas ballast, forced oil lubrication, anti-suck back valve, low noise level, and thermal overload protection. The gas ballast uses either outside air or dry inert gas to reduce condensable vapors from entering the pump oil.
Ideal for use in freeze drying, degassing, vacuum ovens, and concentrators.
640,000.00 - ₹996,000.00INR / Each

8 variations of this product are available.

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Free Air Capacity (CFM) Max Vacuum (torr) Power (VAC)
Availability Pricing
Welch CRVpro2 Rotary Vane Vacuum Pump, 1.8 CFM, 115V 60 Hz WW-79206-02 Mfr # 3021-01
COMPARE
1.8 0.0705 115
₹640,000.00INR / Each
Welch CRVpro2 Rotary Vane Vacuum Pump, 1.5 CFM, 230V 50/60 HZ WW-79206-03 Mfr # 3022-01
COMPARE
1.5 0.0705 230
₹640,000.00INR / Each
Welch CRVpro4 Rotary Vane Vacuum Pump, 2.8 CFM, 115V 60 Hz WW-79206-04 Mfr # 3041-01
COMPARE
2.8 0.05 115
₹729,000.00INR / Each
Welch CRVpro6 Rotary Vane Vacuum Pump, 4.2 CFM, 115V 60 Hz WW-79206-07 Mfr # 3061-01
COMPARE
4.2 0.05 115
₹800,000.00INR / Each
Welch CRVpro6 Rotary Vane Vacuum Pump, 3.5 CFM, 230V 50/60 HZ WW-79206-08 Mfr # 3062-00
COMPARE
3.5 0.05 230
₹800,000.00INR / Each
Welch CRVpro8 Rotary Vane Vacuum Pump, 5.6 CFM, 115V  60 Hz WW-79206-09 Mfr # 3081-01
COMPARE
5.6 0.05 115
₹901,000.00INR / Each
Welch CRVpro8 Rotary Vane Vacuum Pump, 4.7 CFM, 230V 50/60 HZ WW-79206-11 Mfr # 3082-01
COMPARE
4.7 0.05 230
₹868,000.00INR / Each
Welch CRVpro16 Rotary Vane Vacuum Pump, 12.8 CFM, 115V 60 Hz WW-79206-12 Mfr # 3161-01
COMPARE
12.8 0.005 115
₹996,000.00INR / Each
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