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| | | Solutions in Pumping Technology | | |
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| | | Features and benefits ■ Pulse free fluid transfer! ■ High dosing precision Models ■ Drives ■ VG1 OOOelectronicdrive This is a specially designed electronic drive for the Verdergear laboratory and dosing pumps. Suitable for pump heads up to 200 l/h. Protection class IP 55 is standardf for this drive series. These drives are available in two versions: The VG1000 Basic and the VG1000 Digit. The Basic is a controlled analogue and allows the pump to be controlled manually from 100 - 400 rpm. The Digit can be controlled manually or by professional remote control using 0-10 Volt or 4-20 mA signals. ■ 1 of 3 stage motors Depending on your application not only normal 1 or 3 stage motors can be mounted but explosion proof and electronically controled motors can be used pumping | | |
| | | The Verdergear VG gear pumps are extremely reliable gear - dosing pumps for appl/caf/ons in a.o. industry and research laboratories. | | |
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| | | Working principle A gear pump is a displacement pump and consists of 2 or more gears. The gears fold into each other and each turn into opposite directions. The pump house has both suction and discharge connections. One gear (floating) is driven directly by the motor while the first floating gear drives the other. | | |
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| | | Fig 1: The fluid is being primed and fills the empty space between the 2 gears. | | |
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| | | with Verdergear pump heads. Standard rotation speed is 2900 rpm. Other velocities or DC motors are available on request. It is also possible to equip the pump with an Eex-e or an Eex-de motor. | | |
| | | Fig 2: The fluid is then caught between the gears and is transported to the discharge side. | | |
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| | | Fig 3: The fluid exits from the discharge side. | | |
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