Single stage double suction centrifugal pump should intensify efforts to develop technology

2016 - 03 - 01

single stage double suction centrifugal pump should intensify efforts to develop technology of single stage double suction centrifugal pump is mainly used in water plant, water circulation in air conditioning, building water supply, irrigation and drainage pumping stations, power stations, industrial water supply system, fire control system, ships and other transportation liquid. Single stage double suction centrifugal pump compact structure beautiful shape, good stability, easy to install, stable operation optimization design of double suction impeller to minimize the axial force, and have excellent hydraulic performance of leaf type, and the precision casting, pump shell surface and the surface of the impeller is extremely guanghua has significant anti cavitation performance and high efficiency. Single stage double suction centrifugal pump selection SKF NSK bearings and ensure smooth operation, low noise, long service life and BURGMANN mechanical seals or packing seal. Can guarantee 8000 hours running without leakage, assembly does not need to adjust, can be used according to the site conditions. Single stage double suction centrifugal pump discrete or horizontal installation, equipped with self-priming device, which can realize automatic suction, which does not need to install the bottom valve, without vacuum pump, do not need to flow backward, the pump can be started. Single stage double suction centrifugal pump parts with stainless steel plate, the laser welding and become, and are available in a variety of grades of stainless steel is chosen, thus SLG type pump application is very extensive, mainly is suitable for the conveying of clean water and corrosive liquid, can be used in residential water supply and boosting industrial boiler feed water air conditioning system cycle experience and reverse osmosis water treatment system for the food industry, pharmaceutical industry from both sides of the impeller sucked with water. Two water inlet, the impeller is what is so called double suction. Single-stage double suction centrifugal pump impeller and pump shaft by at the ends of the bearing, so its force and bearing is symmetrical, should have a higher bending and tensile strength, so as not to increase due to the deflection of shaft, vibration cause during operation. Single stage double suction centrifugal pump increases the amplitude, even broken shaft, water pump casing for the level of open type, namely the pump shell is divided into _ seven pump cover, the lower part of pump body two parts, the upper and lower two parts with stud link as a body, as long as the maintenance loosen bolts and uncovered the pump cover can be carried out on the pump body internal overhaul. Single stage double suction centrifugal pump in and out of the gate are perpendicular to the axis of the pump shaft and the pump, is advantageous to the in and out of the water piping and installation in the cloth, there are two double ring and two slope reduction material letter, here the role of the stuffing box is mainly to prevent gas. Single stage double suction centrifugal pump flow and head most of single-stage single-suction horizontal centrifugal pump. The commonly used single stage double suction horizontal centrifugal pump models have Sh, SA and S to wait for a few kinds. Sh type is the most commonly used pump type, a total of 30 species, 61 kinds of specifications, its flow range is 144 a 12500 m 'general/h, hm for 9 a 140 m, the highest lift up to 225 m. At present, the production of single stage double suction centrifugal pump maximum flow up to 5. 71 M3/8。 Kaifeng galaxy professional provide no tower water supply, no negative pressure water supply, constant pressure water supply, high-rise buildings water supply equipment, etc. Single stage double suction centrifugal pump in addition to the two bearing body is equipped with radial bearing, the upper bearing and thrust bearing in the body, to withstand the axial thrust of the pump and the weight of the rotating parts.

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