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Product Description:

Common oil-free vacuum pumps used in laboratories are diaphragm pumps. Diaphragm pumps operate with a pulsing motion, like a heart, and so need no oil as a seal. Valves open and close alternately to move vapors in the right direction to create vacuum. Diaphragm pumps have a physical vacuum limit of about 0.45 Torr, and so models are available that can handle all suction applications, as well as evaporative applications for virtually all solvents at room temperature, except DMSO, which needs gentle heating to evaporate at these vacuum levels.

Features:

1. Powerful motor prevents fatigue.
2. The vacuum membrane is made of high quality oil resistent and fatigue resistent rubber with 3mm interlayer to strengthen the textile skeleton.
3. Compact and practical, simple operation, high efficiency and low noise.
4. Optional regulating type and vent valve configuration.

Parameters:

Type	BS-ZK-26/25	BS-ZK26/100
Rate of Flow	26L/min,
Vacuum Degree	0.08Mpa
Negative Pressure Adjust Range	0-0.08Mpa
Filtration Bottle Capacity	250ml	1000ml
Voltage	AC 220V/110V 50HZ/60HZ
Power	60W

Filtration efficiency mainly depends on the flow exhausted per unit time (namely the flow index of the vacuum pump), especially in case of large filtration capacity or high medium viscosity.