Generally speaking, each pump should be equipped with a bottom valve. The bottom valve is usually installed below the water surface. The performance is good at first, but it can easily lead to the bottom due to the accumulation of sludge and other debris. The valve is clogged, and even worse, the pump crushes the bottom valve under the force of the water hammer, which makes it difficult for the pump to discharge water. After the water is drained, the bottom valve is not closed tightly, and it is easy to run the water. It is also necessary to repeat the drainage or to provide the bottom valve maintenance. It is a waste of time and it is difficult to solve. For the general case, the pump does not produce water. After solving the problems of impeller wear and blockage and pipeline leakage, etc., if there is no water, it is mostly blocked by the bottom valve. At this time, it is necessary to spend some manpower and resources to drain the pool or propose The bottom valve can be repaired, and for pumps that work in most situations, it must be ensured that the pump is discharged. What method is used to solve the problem that the underwater bottom valve is easy to block?
The easy way is to use a water-based bottom valve and abandon the old-fashioned underwater bottom valve. As the name suggests, the water-based bottom valve is installed above the water surface. It is an upgraded product of the old-style bottom valve. It is an ideal water diversion equipment, and it also replaces the vacuum pump and the vacuum pump.
Features:
1. It replaces the underwater bottom valve, and is installed at the 90° turn of the horizontal pipe and the inlet pipe above the water surface. It can also replace the elbow. The sealing performance is unique, and the dripping water is not leaked, and there is a damping device, which has certain damage to the water hammer. The slowing effect.
2. The energy-saving effect is remarkable. When it is used normally (power consumption per kiloton/m), it can save energy by about 5-7%. After one to two years of use, the electricity cost saved can recover your investment cost for purchasing this valve. The effect is not achieved by the general bottom valve.
3. Long service life and convenient maintenance. The service life of the bottom valve is more than five years, which greatly reduces the production cost, and generally has no faults during the use period. Even if there is a fault, the treatment is extremely convenient and rapid. It fully demonstrates its superiority.
4, self-priming performance is reliable, as we all know, the old-fashioned bottom valve's sealing performance is very poor, often there will be problems after the pump can not be discharged, and the water-type bottom valve has a unique sealing effect, can achieve dripping water, to ensure the next pump Smoothly proceeding, so in the design process, it is not necessary to consider the underwater pumping water supply project with large investment due to the lack of water from the pump.
5, the product connection flange all meet the GB regulations, general performance is good.
Instructions for use:
1. Specifications: DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN400, DN500, DN600, DN700, DN800DN900DN1000 and other specifications.
2. Nominal pressure: 0.6-1.0-1.6MPa
3, installation requirements: installed in the vertical pipe and horizontal pipe of the water pump suction pipe, the installation should ensure its vertical state.
4. Start-up: Immediately after the first start, the horizontal pipe is filled with water and then started, causing the suction pipe to be in a semi-vacuum state, and the water is sucked into the vertical pipe to complete the pumping process. When the suction stroke is too large, it needs to be repeated several times to start the water. After stopping the pump, do not need to fill the water before opening the pump.
5, overhaul: under normal circumstances, no need to overhaul. When it is necessary to repair, just open the bonnet on the water-type bottom valve, replace the rubber pad, and start the pumping method after the inspection.
6. If it is used in fluid with high acid-base concentration, please choose stainless steel water-based bottom valve. At the same time, our factory can produce all-plastic water-type bottom valve or 316L (molybdenum titanium) water-based according to user requirements. Bottom valve
The easy way is to use a water-based bottom valve and abandon the old-fashioned underwater bottom valve. As the name suggests, the water-based bottom valve is installed above the water surface. It is an upgraded product of the old-style bottom valve. It is an ideal water diversion equipment, and it also replaces the vacuum pump and the vacuum pump.
Features:
1. It replaces the underwater bottom valve, and is installed at the 90° turn of the horizontal pipe and the inlet pipe above the water surface. It can also replace the elbow. The sealing performance is unique, and the dripping water is not leaked, and there is a damping device, which has certain damage to the water hammer. The slowing effect.
2. The energy-saving effect is remarkable. When it is used normally (power consumption per kiloton/m), it can save energy by about 5-7%. After one to two years of use, the electricity cost saved can recover your investment cost for purchasing this valve. The effect is not achieved by the general bottom valve.
3. Long service life and convenient maintenance. The service life of the bottom valve is more than five years, which greatly reduces the production cost, and generally has no faults during the use period. Even if there is a fault, the treatment is extremely convenient and rapid. It fully demonstrates its superiority.
4, self-priming performance is reliable, as we all know, the old-fashioned bottom valve's sealing performance is very poor, often there will be problems after the pump can not be discharged, and the water-type bottom valve has a unique sealing effect, can achieve dripping water, to ensure the next pump Smoothly proceeding, so in the design process, it is not necessary to consider the underwater pumping water supply project with large investment due to the lack of water from the pump.
5, the product connection flange all meet the GB regulations, general performance is good.
Instructions for use:
1. Specifications: DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN400, DN500, DN600, DN700, DN800DN900DN1000 and other specifications.
2. Nominal pressure: 0.6-1.0-1.6MPa
3, installation requirements: installed in the vertical pipe and horizontal pipe of the water pump suction pipe, the installation should ensure its vertical state.
4. Start-up: Immediately after the first start, the horizontal pipe is filled with water and then started, causing the suction pipe to be in a semi-vacuum state, and the water is sucked into the vertical pipe to complete the pumping process. When the suction stroke is too large, it needs to be repeated several times to start the water. After stopping the pump, do not need to fill the water before opening the pump.
5, overhaul: under normal circumstances, no need to overhaul. When it is necessary to repair, just open the bonnet on the water-type bottom valve, replace the rubber pad, and start the pumping method after the inspection.
6. If it is used in fluid with high acid-base concentration, please choose stainless steel water-based bottom valve. At the same time, our factory can produce all-plastic water-type bottom valve or 316L (molybdenum titanium) water-based according to user requirements. Bottom valve
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