Import and export pump filters




about import and export pump filter:
the filter as part of the coarse filter, the import and export of general installed in the pump, to protect the pump
in order to avoid inhaling the larger mechanical impurities, saying a filter has simple structure, great capacity of oil resistance is small,
and is equipped with tube and flange connection for customers to choose.



import and export pump filter parameters:

flow;

L/min, L/min, the L/min, the selection of a variety of flow
filtration precision: um, um, um
connection mode: threaded flange connection

size: mm, mm, mm, mm, mm
mm, mm, etc.

filter medium: water, or general hydraulic oil

other products: guangzhou filter source water filter co. , LTD.
DN basket strainer

security filter cartridge specifications supply high quality supply DN pipe filters
Y type filter mesh
caliber DNY type filter

During the exhibition, and amraphel the industry media and the process industry hosted 2019 fluid conveying technology innovation and application of conference, sponsored by the Beijing Great Wall electronic commerce co. , LTD. , China petrochemical material bidding training, health and safety environment of Shanghai research institute hosted the third annual HSE management innovation BBS beltway, gathered from petrochemical industry, water conservancy, municipal construction and other experts in the field of, focus nowadays new dynamic fluid machinery industry.




and by China engineering construction standardization association professional committee of building water supply and drainage, water industry branch of China civil engineering institute and the construction of Shanghai institute of building water supply and drainage professional committee sponsored by the 'Yangtze river delta building water supply and drainage designer conference' will continue to previous experience of BBS, better implementation of xi jinping, general secretary of 'priority to water saving and spatial equilibrium, system management, his hands with' water control guidelines, adhere to innovation, coordination, the development of green, open, sharing ideas, build effective, reasonable and standard of building water supply development blueprint.

This meeting invited Shanghai Gu Zhengyou construction design & research institute co. , LTD, general share public building projects like sponge technology analyses and case, the topic of secondary water supply, the conference is expected in Shanghai and the whole east China area of building water supply and drainage workers bring positive influence.




as a fluid equipment industry's leading high quality pump pipe valve exhibition, Shanghai international exhibition of pump pipe valve (
Hereinafter referred to as the 'exhibition' Shanghai pump valve)
Will be on June 3-2019

5 national conference and exhibition center in Shanghai, the exhibition scale expansion to 70000 square meters, collected more than 1200 exhibitors.
2.

50000 exhibits cover pump accessory products, intelligent water supply equipment, valve, pump valve, pipe and pipe fittings, actuator, electrical energy and supporting etc series products.

The exhibition, the activity remains a bright spot, hundred meetings, focused on the current hot, fresh air to unlock fluid machinery industry, brilliant worth for three days.




the continuation of the last year and the water supply management office of Shanghai and Shanghai municipal water supply industry association cooperation, this year's meeting again to upgrade.

As the Shanghai city water, Shanghai urban construction design & research institute (
Group)

Co. , LTD. , with the addition of donghua university, this session will explore water infrastructure upgrades, secondary water supply ShuiLing optimization, pipe network system modeling, such as hot topic, at the same time invited from zhejiang, anhui, jiangsu, fujian, shenzhen and other places water department agreement, construct platform for exchanges and cooperation in Yangtze river delta urban water supply, through the national strategy, promote regional water, water expert with the industry leader in in-depth communication, comprehensive to share their experiences, promote the water industry to optimize business environment, power wisdom city construction and development.

Has now confirmed speakers with Shanghai municipal engineering design & research institute deputy chief engineer Mr Xu Jiajiong;

Shanghai city cast water group vice manager Mr Chen Zhongmin new business;

Shanghai city for water group network operation monitoring center, deputy director of the Wu Xiao Mr Yong and lake shu poetry, professor at the school of donghua university environment.

(5) intensify international exchanges and cooperation, learn foreign advanced technology, develop the most efficient, low energy consumption of no preparation, promote the development of the field.

Pp filter manufacturers can not leak, leakage, otherwise it will damage the pump inlet of vacuum degree, reduce water pump water yield, serious when even tied up.

Suction piping requires strict sealing, device technology from the pipe.

Therefore, to seriously do a good job in pipeline interface ensure the construction quality of pipe connection.


pumping plant site elevation and water temperature is different from the test conditions, it should be noted.

Such as local 300 meters above sea level or by pumping water temperature above 20 degrees Celsius, the calculated value will be revised.

Is that the atmospheric pressure and at different elevation height of the more than 20 degrees Celsius temperature of saturated steam pressure.

But when water temperature is 20 degrees Celsius, saturated vapor pressure can be ignored.


pp filter device technology is the key to determine the pump installation height.

This height is refers to the water surface vertical distance to the center line of the pump impeller.

Pump nameplate or label on product manual allow the vacuum suction height refers to the vacuum pump inlet section on value, and it is under standard atmospheric pressure;

The water temperature is 20 degrees Celsius, test and measurement and later did not consider water pipe flow situation.

And pumping plant height should be allowed on vacuum suction height after the suction pipe head loss, the remaining portion of the values, to overcome the actual water terrain height.

Pumping plant height cannot override calculated value, otherwise, the pump can't will spring up.

In addition, influence the size of the calculated value is the resistance of the suction pipe head loss, therefore, appropriate USES shorter pipeline arrangement, and try to minimize the fittings such as elbow, also can consider the appropriate with larger diameter of the pipe, to reduce tube flow velocity.


pp cotton filter even guiding type can also control in a few milliseconds.

Because of its circuit, response time can be short as a few milliseconds.
Filter more sensitive than other automatic control valve of the reaction.

Properly designed coil power consumption is low, belong to energy-saving products;

Can also be simply trigger action, adhere to the valve position automatically, no electricity at ordinary times.

Pp filter shape size, save a space, light and beautiful again.


by electric, pneumatic, hydraulic actuators to control valve core rotation or movement.

This is caused by the valve stem seal to solve the leakage problem;

Only pp filters are electric magnetic force acting on the seal in the magnetic separation casing of iron core, internal and external leakage is essential to threaten the peace.
Other automatic control valve stem is usually stretched out.
There is no dynamic seal, plugging leakage easily so.

Within the electric valve torque control is not easy, easy to leak, even to break the stem head;

Structure is easy to control the internal leakage to zero.

So, pp filter using a special Christmas, especially suitable for corrosive, toxic, or high and low temperature medium.
The price also low simple structure itself.

Compared with the regulator device such as a other kinds of actuators is easy to maintain.

More prominent of automatic control system is much simpler, much lower prices.

Due to the pp filter is switch signal control, connection with industrial control computer is very convenient.

The pp filter element manufacturer must not leak air or water, otherwise it will destroy the vacuum at the water inlet of the pump, reduce the water output of the pump, and even fail to pump water in severe cases. The suction pipeline requires strict tightness, from the technical point of the pipeline installation. Therefore, it is necessary to do a good job in the interface of the pipeline to ensure the construction quality of the pipeline connection. When the elevation and water temperature of the pump installation site are different from the test conditions, it should be pointed out. For example, if the local altitude is more than 300 meters or the temperature of the pumped water exceeds 20 degrees Celsius, the calculated value needs to be corrected. That is, the atmospheric pressure at different altitudes and the saturated vapor pressure at a water temperature above 20 degrees Celsius. However, when the water temperature is below 20 degrees Celsius, the saturated steam pressure is negligible. The key to the technology of pp filter element device is to determine the height of the water pump device. This height refers to the vertical distance from the water surface of the water source to the centerline of the pump impeller. The allowable suction vacuum height indicated on the pump nameplate or product manual refers to the vacuum value on the section of the water inlet of the pump, and it is under the standard atmospheric pressure; when the water temperature is 20 degrees Celsius, the test is carried out and it is measured without considering the matching of the suction pipe. water flow conditions. The height of the water pump device should be allowed to absorb the vacuum height after deducting the loss of the suction pipe, and the remaining part of the value must overcome the actual terrain water absorption height. The height of the pump installation cannot exceed the calculated value, otherwise, the pump will not be able to pump water. In addition, the size that affects the calculated value is the resistance loss head of the suction pipe. Therefore, it is advisable to use a shorter pipeline arrangement and install as few fittings as elbows as much as possible. It is also possible to appropriately install a larger diameter water pipe to reduce the flow rate in the pipe. The pp cotton filter element can be controlled within tens of milliseconds even if it is a pilot type. Due to the self-contained loop, the response time can be as short as a few milliseconds. The filter element is more responsive than other automatic control valves. A properly designed coil has low power consumption and is an energy-saving product; it can also be achieved only by triggering the action to automatically maintain the valve position without power consumption at all. The pp filter element has a small size, which not only saves space, but also is lightweight and beautiful. The rotation or movement of the valve core is controlled by electric, pneumatic and hydraulic actuators. This is to solve the problem of external leakage caused by the sealing of the valve stem; only the pp filter element is completed by electromagnetic force acting on the iron core sealed in the magnetic isolation sleeve, and internal and external leakage is a factor that endangers safety. Other self-control valves usually have the stem extended. There is no dynamic seal, so external leakage is easy to block. The torque control of the electric valve is not easy, and it is prone to internal leakage, and even the head of the valve stem is broken; the structure type is easy to control the internal leakage until it drops to zero. Therefore, the pp filter element is particularly safe to use, especially for corrosive, toxic or high and low temperature media. The price is also low and its structure is simple. Compared with other types of actuators such as control valves, it is easier to install and maintain. The more significant self-control system is much simpler and the price is much lower. Because the pp filter element is controlled by the switch signal, it is very convenient to connect with the industrial computer.
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