MD 4C EX VARIO® +AK+EK Chemistry Vacuum System
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- Ultimate vacuum: 3 mbar
- Ultimate vacuum with gas ballast: 10 mbar
- pumping speed 50 Hz: 3.7 m3/h
- Full advantage of ATEX chemistry diaphragm pumps with separator AK and emission condenser EK
- Short process times due to hysteresis-free VARIO® vacuum control
- VARIO®-pump operates on demand only as fast as necessary – minimal power consumption, extended maintenance intervals, silent operation
- VARIO®: Vacuum controller VACUU·SELECT (optional) for precise vacuum control and fully automatic processes
- Additional devices, such as an ATEX vacuum sensor and a Connection Box 100, are required for operation - also available from VACUUBRAND
- Optional accessories are available and purchased separately.
Availability:On Request
SKU
IVAC20696937
BrandVACUUBRAND
VARIO® Chemistry Vacuum System in Action
With the new ATEX VARIO® chemistry diaphragm pumps and vacuum systems, the vacuum can be precisely controlled by the motor speed. The VARIO® pump is driven by an additional control signal line. The optional vacuum controller VACUU·SELECT with ATEX vacuum sensor and Connection Box 100 enables fully automatic evaporations without the need for parameter settings or user programming. With the adaptive control, it finds the boiling pressure independently and adjusts the vacuum continuously and optimally according to the vapour pressure. The vacuum controller and the Connection Box 100 are installed in a non-hazardous area.
Items Supplied
Pumping unit completely mounted with inlet separator and emission condenser, with manual. Shatter and shock protection for glass parts is to be provided by the customer. Speed control via 4-20 mA current loop (4 mA = 0 rpm, 20mA = 1500 rpm). Control signal and mains cable length 10 m, without plugs. Additional devices are required for operation, such as a connection box and controller.
Accessories (Additional Fee)
- Connection box for ATEX VARIO pumps Connection Box 100 (20635435)
- Vacuum sensor DMP 331i KF DN 16 (20635423)
- Vacuum sensor Cerabar PMP21 KF DN 16 (20635424)
- Vacuum controller CVC 3000 (20635028)
- PTFE-tubing (antistatic) with small flanges KF DN 25 (20686033)
- Analog-I/O-Module IN 4-20mA/OUT 0-10V VACUU·BUS® VACUU·BUS® (20635425)
- Isolating amplifier, for the connection of the ATEX VARIO pump/s Isolating amplifier 0-10V/4-20mA EX (20635426)
- Ex-i power/input isolating amplifier (20635427)
- (20612090)
- VACUU·BUS cable 2 m with male plug and with litz wires VACUU·BUS® (20612462)
- Set of diaphragms and valves MZ 2C EX, MD 4C EX (2x), MV 10C EX (4x) (20696837)
| Max. pumping speed 50 Hz | 3.7 m3/h |
| Ultimate vacuum | 3 mbar / 2.3 torr |
| Ultimate vacuum with gas ballast | 10 mbar / 7.5 torr |
| Number of heads | 4 |
| Number of stages | 3 |
| Vacuum controller | without controller |
| Lower ambient temperature (operation) | 10 °C |
| Upper ambient temperature (operation) | 40 °C |
| Lower ambient temperature (storage) | -10 °C |
| Upper ambient temperature (storage) | 60 °C |
| Max. back pressure (abs.) | 1.1 bar |
| Inlet connection | small flange KF DN 25 |
| Outlet connection | Hose nozzle DN 8-10 mm |
| Coolant connection | 2 x hose nozzle DN 6-8 mm |
| Rated motor power | 0.25 kW |
| Minimum motor speed VARIO in min-1 | 30 min-1 |
| Maximum motor speed VARIO in min-1 | 1500 min-1 |
| Protection class IEC 60529 | IP 54 |
| Dimension L in mm | 600 mm |
| Dimension B in mm | 365 mm |
| Dimension H in mm | 420 mm |
| Weight | 36 kg |
| Noise (sound pressure level) in dBA at 50 Hz or 1500 rpm/62% (VARIO)/1500 rpm (VARIO-SP)/12500 Upm (VACUU·PURE®)) | 42 dBA |
| ATEX conformity | Pumping chamber (pumped gases): II 2G Ex h IIC T3 Gb X, Environment with inert purge gas: II 2G Ex h IIB T4 Gb X, Environment without inert purge gas: II 3G Ex h IIB T4 Gc X, Motor: II 2G Ex db IIB T4 Gb |
| NRTL certification | No |
| Items supplied | Pumping unit completely mounted with inlet separator and emission condenser, with manual. Shatter and shock protection for glass parts are to be provided by the customer. Speed control via 4–20 mA current loop (4 mA = 0 rpm, 20 mA = 1500 rpm). Control signal and mains cable length 10 m, without plugs. Additional devices are required for operation, such as a connection box and controller. |
| Rated mains voltage range 1 | 230 V |
| Mains frequency 1 | 50 Hz |
| Brand | VACUUBRAND |
|---|
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