SK-A water ring vacuum pump

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SK-ASeries

Based on SK series, is designed specially for the use of plastics industry. Therefore, many problems have been solved, for instance: incapability to work continuously, in case of sufficient wafter to be draw-out, dirts is resulted from sewage, impossibility to restart work after long pause. It is widely used in Tubing and Molding machinery.Items:SK-0.15A、SK-0.3A、SK-0.5A、SK-0.8A、SK-1.2A、SK-2A、SK-3A,Motor power:0.55~5.5KW,extract capacity :0.15~3(m3/min),Limit vacuum:-0.095MPa。

■List of size performance

Type	electric machine power (kw)	off-gas quickresult (m3/min)	limit vacuum (Mpa)	caliber entering or excludinggas (inch)	weight (kg)	size(L×W×H) (mm)
SK-0.15A	0.55	0.15	-0.095	G3/4"	14	380×170×220
SK-0.3A	1.1	0.3	-0.095	G1"	33	460×180×235
SK-0.5A	1.5	0.5	-0.095	G1"	34	485×180×235
SK-0.8A	2.2	0.8	-0.095	G1"	37	480×185×235
SK-1.2A	3.0	1.2	-0.095	G1 1/2"	51.5	530×220×260
SK-2A	4.0	2.0	-0.095	G1 1/2"	63	560×220×285
SK-3A	5.5	3.0	-0.095	G2"	105	645×310×325

■List of installation

Type	L	L1	L2	A	B	B2	B3	H	H2	2-d	4-Φ	s
SK-0.15A	381	157	100	90	170	125	160	175	217	G3/4"	10	G1/2"
SK-0.3A	460	205	125	110	180	140	177	194	235	G1"	10
SK-0.5A	485	228	125	110	180	140	177	194	235	G1"	10
SK-0.8A	480	223	125	80	185	140	177	194	235	G1"	10
SK-1.2A	528	240	140	110	218	160	197	213	260	G1 1/2"	12
SK-2A	560	265	140	110	220	190	234	234	286	G1 1/2"	12
SK-3A	645	305	140	150	310	216	272	327	323	G2"	12

Q: Know flow and lift how to calculate the pump power?: The pump power (kw) ={9.61* flow (cubic meters per second) * head (m)}/.Where ETA is device efficiency, including mechanical, electrical loss and other factors, generally between 55%~80%. The smaller the pump, the lower the efficiency.

Q: What does "anti pump" mean in pump operation?: The pump again is the pump, the theory is the plugging problem can be solved, but if you are against the pump after pump has been plugging serious, and pump has been unable to solve the plugging problem, finally the worst solution is a split pipe, if the situation under enormous pressure will only exacerbate the plugging

Q: What's the meaning of the pump head in the water pump, please advise, thank you: According to China Wikipedia network, the basic components of the water pump: motor, coupling, pump head (body) and chassis (horizontal).Pump is generally composed of pump body and pump head, in which the pump body refers to the spiral case, impeller, bearing, oil shell and sealing assembly, etc., the pump head refers to the impeller, bearings, oil ring and sealing rotating parts (including shaft), etc..

Q: What are the main performance parameters of hydraulic pumps?: speedOperating speed is the actual rotation speed of a pump (or motor) at work.Rated speed is the maximum speed that can operate normally for a long time under rated pressure. If the pump exceeds the rated speed, the work will cause insufficient oil absorption, vibration and noise, the parts will suffer cavitation damage, life expectancy.Minimum steady speed is the minimum speed allowed for normal motor operation. At this speed, the motor does not appear crawling phenomenon.

Q: What is the pumping property of concrete?: Pumpable concrete slump is generally greater than 160mm, the mortar content is too low, the maximum aggregate size of not more than 1/3 of the diameter of the pump pipe, sending process segregation, plugging in the pump.

Q: What should be used to pay attention to the use of mechanical pumps?: When opening the pump, first close the outlet valve, lift the pressure, then open the outlet valve again, pay attention to the flow of the motor.

Q: Direct connection pump What is straight pump and non direct pump? What's the difference in structure?: What is straight pump and non direct pump? Direct coupled pump shaft and the motor shaft is directly coupled with the coupling and non direct coupled pump: pump shaft and motor shaft through the belt pulley, V-belt connection or other forms of transmission. What is the difference in the structure: the direct coupled pump has the advantages of compact structure, simple installation, but the relatively small power; non direct coupled pump: pump and motor is independent, the two transfer torque through the belt, the structure is relatively large, complex installation, general power is relatively large.

Q: Types and differences of pumps: Depending on the flow of the fluid, they can be subdivided into the following:Classified centrifugal axial flow type mixed flow tubular flow typeThe basic principle of impeller centrifugal force generated by the high-speed rotation of the fluid energy rotary vane extrusion propulsion of the fluid increases the pressure to get the energy mix and energy principle of centrifugal and axial and centrifugalSuch as: central air conditioning centrifugal fan, central air conditioning or cold storage axial flow water pump, mixed flow water pump, domestic air conditioner, indoor fanWorking principle of pump and fanI. the working principle of centrifugal pumps and fansThe centrifugal force generated by the high-speed rotation of the impeller fluid power, namely fluid through the impeller, pressure and kinetic energy can be improved, which can be transported to the height or distance. The impeller is arranged in a spiral shell, when the impeller rotates, the fluid axial inflow, and then turn 90 degrees into the impeller and the radial outflow impeller. Continuous rotation of the impeller inlet in the form of vacuum, so that the fluid continuously by the pump suction and discharge.

Q: Why does the centrifugal pump start with a closed valve and the axial pump starts with an opening valve?: Because the characteristic curves of the two are different.The power of centrifugal pump decreases with the decrease of flow rate. When the flow rate is zero, the power is minimum, so the centrifugal pump is started with a closed valve.

Q: Attention should be paid to the use of pumps?: 7 water pump and pipe interface must be sealed, because if there is debris access, then the pump will cause damage to the interior. 8 for the water pump bearing is also the focus of inspection, use up to check whether the bearings wear,

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