Posted on Fri, 18 May 2018 09:38:18 +0000
1. Check the oil level, when the vacuum pump stop , It is advisable to note oil to oil the center.Too low, the exhaust valve cannot seal effect, influence the degree of vacuum.Too high, may cause the atmosphere when starting injection.Operation, the oil level was increased, belongs to the normal ...
Read MorePosted on Fri, 18 May 2018 09:27:47 +0000
1, The ultimate pressure of the vacuum pump should meet the process of work pressure.Choose the ultimate pressure of the vacuum pump is lower than the process requirements about an order of magnitude. 2, Each vacuum pump has a certain work pressure scope , therefore, the working point of the vacu...
Read MorePosted on Fri, 18 May 2018 09:25:33 +0000
(1) the window of the filling must be clean, it is strictly prohibited in the sunlight and in the open air, and to be stored in a dark, dry and ventilated places, being mixed with water and dust. (2) prevent sundries mixed with oil, the wear of the pump. (3) different grades and different types o...
Read MorePosted on Fri, 18 May 2018 09:15:35 +0000
When stop rotary vane vacuum pumps, oil hole and pump chamber are inter linked or surface of exhaust valve, shaft seal, pump cover, air inlet pipe, air valve, such as untight seal, as a result of the existence of liquid level difference and gravity are in a vacuum tank and pump cavity and differe...
Read MorePosted on Fri, 18 May 2018 08:41:34 +0000
Firstly, The power supply should be inspected: the connection whether firm; the switch contact whether dense; the fuse whether blown; the three-phase power supply whether equal or not. If there is a broken circuit, poor contact, blown fuse, or lack of phase, the cause should be ascertained and re...
Read MorePosted on Fri, 18 May 2018 08:26:41 +0000
I.Analysis on Corrosive rotor surface Vacuum pump feed medium containing sulfur dioxide, water, sulfur dioxide combined with water to generate sulfurous acid, sulfurous acid on the metal corrosive effect, in order to prevent rotor, pump chamber corrosion, the surface of the rotor and pump Teflon ...
Read MorePosted on Fri, 18 May 2018 08:24:52 +0000
Oil diffusion pump is often used in high-vacuum pumping system by taking some technical measures, you can get ultra-high vacuum and the method is: 1. choose a good performance diffusion pump oil Pump oil has a great influence on the ultimate pressure of the oil diffusion pump. Such as the use o...
Read MorePosted on Fri, 18 May 2018 08:22:50 +0000
PLAN 01 (Single-sided self-rinse) Description: The internal circulation from the outlet of the pump to the seal. Its operation similar to PLAN11. Reason: sealed chamber cooling; sealed chamber exhaust. Application: Single-end seals more be used for clean the transported fluid of viscous and easy ...
Read MorePosted on Fri, 18 May 2018 08:16:16 +0000
2XZ-C series of double-stage rotary vane vacuum pump is developed over years reaches by our special engineer team. The working process of 2XZ-C is: Rotor drives vanes to work in the surface of inside chamber, separate the inlet and outlet port and then drive gas out to create vacuum. 2XZ-C rotary...
Read MorePosted on Fri, 18 May 2018 08:00:15 +0000
Oil return is the biggest weakness of the oil diffusion pump, The return oil just only can be reduced and can’t be eradicated. In order to reduce the diffusion pump oil return, Finding out the main source and reason of oil return is necessary. Then thinking how to reduce the oil return rate. Part...
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