WELCH Self-Cleaning Vacuum System 2025
BVV Loyalty Plus has launched!
Click here to learn more.
Your Shopping Cart

It appears that your cart is currently empty!


Manufacturer: Welch Vacuum - Gardner Denver

WELCH Self-Cleaning Vacuum System 2025

SKU: 202501

Free Ground Shipping over $420

Flat Rate Shipping On Orders Under $420!

Some exclusions may apply.
The following are excluded from this offer:
  • Item(s) that are marked "Ships Separately" on the listing.
  • Hazardous Materials (Alcohols, Lab Chemicals, Butane/Propane, and Cleaning Solvents)
  • Item(s) that BVV™️️️️ recommends ship via Freight (LTL or FTL) due to size/fragility.
  • Large orders and/or combined order weight over 100lbs ship via Freight (LTL or FTL)
  • Free ground shipping only applies to the lower 48 states

Ships Separately

You will earn 0 points for this purchase.

Price Match

WELCH Self-Cleaning Vacuum System 2025

Product Details

  • Automatic Self-cleaning purge maintains efficiency, extends diaphragm life
  • Free air displacement: 35 L/min (1.2 CFM)
  • Incremental ballast switch enables fast response to bumping / foaming

Complete oil-free dry vacuum systems for rotary evaporators and concentrators. Corrosion-resistant PTFE diaphragm vacuum pump systems enable superior control and efficiency for each evaporation. Provides controlled solvent stripping in flasks up to 5 L. Use 9 torr Model 2025 for solvents with atmospheric B.P. <120o C. Includes analog gauge and vacuum regulation. Inlet and exhaust separators protect pump and lab atmosphere.



Model Number 2025
Applications Controlled vacuum for Rotary evaporators, Centrifugal concentrators, and other evaporative processes.
Type Laboratory Vacuum Pump
Free Air Displacement m3/hr (l/min.) @50Hz 1.2(34)
Ultimate Pressure 1.7(28)
Max Pressure PSIG (pascal) 29.5
Adjustable Vac. / Gas Ballast 1/5
Tubing Needed Yes
Intake Thread NPT 1/4
Overall Dimensions LxWxH in. (cm) 13.6x12x11.3 (34.5x30.5x28.7)
Ship Weight 36(16.3)
Intake Catch Jar Yes
Exhaust Catch Jar Yes