VARIO® pumps provide precise vacuum control by adaptation of the diaphragm pump's motor speed. The MZ 2C NT VARIO two-stage chemistry diaphragm pump meets medium vacuum requirements for most solvents. The on-demand motor speed control results in unparalleled length of service intervals for wearing parts such as diaphragms. It is a sophisticated vacuum controller that adjusts the pump speed, eliminating the need for solenoid valves or pump switching. It includes the new CVC3000 controller with intuitive "turn-and-push" jogwheel graphic interface for easy operation.
Automatic adaptation of the vacuum level throughout the process for high process reliability and unattended operation
Short process times due to zero-fluctuation (hysteresis-free) vacuum control
Easily operated CVC 3000 vacuum controller with clear text menus, with integrated venting valve
Extraordinary diaphragm life for minimum operational and servicing costs
Excellent chemical resistance
MZ2C NT VARIO
Number of Heads / Stages
2 / 2
Max. Pumping Speed
Max. Pumping Speed
Ultimate Vacuum (abs.)
7 / 5
Ultimate Vacuum (abs.) with Gas Ballast
12 / 9
Ambient Temperature Range (Operation)
10 to 40
Ambient Temperature Range (Storage)
-10 to 60
Max. Back Pressure (abs.)
Hose nozzle DN 8-10mm
Hose nozzle DN 8-10mm
Rated Motor Power
Motor Speed Range
30 - 2400
Degree of Protection
Noise Level at 50Hz, Typ.
9.57 x 9.57 x 9.65
Pump completely mounted, ready for use, with manual
Seller warrants that its Products are free from defects in materials and workmanship as set forth in applicable operating instructions at the date of shipment to the original Buyer and will conform to the Contract specifications or such other specifications which constitute technical improvements to the Product.* The exclusive remedy of the Buyer in the event of a breach of the foregoing warranty is replacement or repair (at Seller's option) of any defective Product. No goods shall be returned to Seller for repair or replacement pursuant to this warranty without prior written approval and accompanied by a completed health and safety declaration (as specified in Paragraph 7). All cleaning, decontamination, and shipping costs shall be the sole responsibility of the Buyer together with any damage to the goods that might occur in transit to or from Seller. Under no circumstances does Seller's responsibility or warranty extend to Products other than those manufactured or distributed by Seller; nor does Seller's liability extend to any Products, articles or parts which are furnished by Buyer or obtained from other manufacturers or suppliers at Buyer's request and/or in accordance with Buyer's specifications. In the event that Seller is unwilling or unable to repair or replace any defective or nonconforming Product due to change in technical standards, technical modifications, unavailability of material or parts, or any other reason, Buyer shall be entitled to a return of the purchase price paid for such Product as its sole and exclusive remedy. Seller assumes no responsibility for the effective performance of any specific scientific application relying on Products supplied under this Contract beyond published Product specifications at the time of sale. Seller assumes no responsibility for conformance with local building codes as they may apply in the installation of Products supplied by the Seller. Seller assumes no responsibility whatsoever for the accuracy of designs, specifications or materials furnished or specified by Buyer.
No return will be accepted by the seller for any reason without prior written authorization. Returns will be accepted only if products are in new and unused condition and accompanied by a health and safety declaration as regards potential contamination with hazardous materials due to customer use of the product. The manufacturer reserves the right to assess a 25 percent restocking fee at their discretion. All shipping charges remain payable. This manufacturer assesses order cancellation fees if a submitted order is cancelled prior to shipment.