XD series vacuum pump

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XD series vacuum pumps

XD series vacuum pumps are available for low and medium vacuum fields, which are mainly used for pumping air and other dry gases rather than corrosive, toxic, flammable and explosive gases. Furthermore, they cannot pump the gases containing tiny particles or dust and cannot transport other small objects.

XD series vacuum pumps can work for long term in the well-ventilated room with ambient temperature of 5-30 ℃ and with humidity ≤80%.

In addition to the above applications, the XD series vacuum pumps can be available other applications, such as:

1. To increase the amount of the pumping gas and to improve the vacuum degree, please combine with Roots pumps to form a unit for this.

2. If pumping moist air or condensable gas, the condenser can be installed before the vacuum pump and the gas ballast valve is installed on the vacuum pump.

3. If pumping the gases containing dust particles, the dust filters can be installed in front of the vacuum pump.

4. If pumping the corrosive gases, the corrosion-proof gas filter can be installed in front of the vacuum pump.

List of performance

Parameters Model	XD-020	XD-040	XD-063	XD-080	XD-100	XD-160	XD-202	XD-250	XD-302
Pumping rate (m³/h)	20	40	63	80	100	160	200	250	300
Pressure limit (mbar)	0.1~0.5	0.1~0.5	0.1~0.5	0.1~0.5	0.1~0.5	0.1	0.1	0.1	0.1
Motor power (kw)	0.75	1.5	2.2	2.2	3	4	4.5	5.5	7.5
Motor speed (r/min)	2880	1440	1440	1440	1440	1440	1440	1440	1440
Noise (db)	≤62	≤65	≤65	≤65	≤ 67	≤ 70	≤ 72	≤ 73	≤ 75
Allowable steam pressure (mbar)	40	40	40	40	40	40	40	40	40
Pumping water steam (kg/h)	0.3	0.3	1	1	1.6	2.5	4	4.5	5
Working temperature (℃)	82	80	80	80	84	95	95	81	83
Oil volume (L)	0.5	1	2	2	2	5	5	7	7
Weight (kg)	18	45	55	60	70	150	150	195	211
Air intake thread	Rp3/4’’	Rp1/4’’	Rp1/4’’	Rp1/4’’	Rp1/4’’	Rp2’’	Rp2’’	Rp2’’	Rp2’’
Overall dimensions L * W * H（mm）	650300280	650300280	650430295	650430295	720430295	850505440	850505440	980560440	1010560440

Q: What are the uses and precautions of magnetic pumps?: 5, after the motor starts, slowly open the drain valve, until the pump into the normal working state, and then discharge valve to the desired opening;6, before the pump stops working, should first close the exhaust valve, and then turn off the suction valve.

Q: Must the water pump in the tank be all soaked in water?: Usually you have to soak it all in the water. If you don't want to put it in the water, you can buy an amphibious pump. At most, you can expose it

Q: What is a solution pump?: (4) smooth running, low noise, no lubrication, no lubrication and low noise due to the absence of rolling bearings and motor fans(5) a wide range of use, the high temperature, high pressure, low temperature, high melting point and other conditions are able to meet the requirements2.2 shielding pump shortcomings(1) because the shielding pump adopts sliding bearings and is lubricated by the medium to be transported, the medium with poor lubricity should not be transported by shielding pump. Generally, the viscosity of the pump medium is 0.20mPa.s.(2) the efficiency of shielding pump is usually lower than that of single end mechanical seal centrifugal pump, which is approximately equal to that of double end mechanical seal centrifugal pump(3) long time in small flow operation, shielding pump efficiency is low, will lead to heat, make the liquid evaporation, and cause the pump to dry, and thus damage the sliding bearingsCanned pumps can be divided into the following types: 1) basic type 2) reverse circulation type 3) high temperature type 4) high melting point type 5) high pressure type6) self priming 7) multi stage 8) mud type

Q: What are the reasons for sealing damage of centrifugal pumps?: Three, water shortages caused by running dry grinding damage.This phenomenon is more common in mounted form inlet pressure, inlet air, air cavity pump, pump boot, high temperature operation of the mechanical seal friction at high speed, can not be cooled, check the mechanical seal, the spring tension is normal, the friction surface of charred black, rubber hard cracking.Treatment methods: exhaust the pipe and pump cavity air, replace the machine seal.Four, install too tight, observe the mechanical seal of dynamic and static ring plane, if there is serious burning phenomenon, flat black and deep traces, sealing rubber hardens, lose elasticity.This phenomenon is due to tight installation.Treatment methods: adjust the installation height, impeller installed, with a screwdriver to move the spring, the spring has a strong tension, release after the reset, there is 2-4mm moving distance can.

Q: What is the function of a submersible pump?Do you have any knowledge about submersible pumps?.: Submersible pumpThe submersible pump is composed of a control cabinet, submersible cables, water pipes, submersible pumps and submersible motors.Submersible pump main application and scope of applicationIncluding mine rescue, construction, drainage, agricultural irrigation and drainage, industrial water recycling, urban and rural residents cited water supply, and even rescue, disaster relief and so on.Classification of submersible pumpsAs far as media is concerned, submersible pumps can be broadly divided into three categories: clean water submersible pumps, sewage submersible pumps, sea water submersible pumps (corrosive).

Q: What are the main performance parameters of the pump?: The main performance parameters of the pump are:The energy obtained by pumping a unit weight of liquid through a pump. In H, the unit is m.

Q: Centrifugal pumps for normal operation, is it reasonable to install valves on their inlet lines? Why?: Unreasonable, easy to produce throttling loss, pressure loss, pressure reduction, easy to cause cavitation

Q: What is the distance between the pump and the wall?: What do you mean by that? If your pump is parallel to the wall! Then, the wall of the pump near the wall is usually 500mm. This is an empirical data, considering the import pipe length, pump maintenance and motor heat dissipation and other aspects of the situation to determine. Dozens of pumps installed in our company are placed in this size! Hope to be of help to you.

Q: Attention should be paid to the use of pumps?: To carefully check whether there is a crack impeller, impeller fixed in the bearings are loose, if there are cracks and loose, hungry phenomenon should be promptly repaired, if the pump impeller above the soil should also be cleaned