• SK-D series water ring vaccum pump System 1
SK-D series water ring vaccum pump

SK-D series water ring vaccum pump

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SK-DSeries
SK-D series of plastic machinery industry is the ideal vacuum pumps, vacuum pump SK is based on the specific requirements of the plastics industry developed. The suction pump to solve a lot of water in the conditions can not be continuous, severe hard water scaling can not start down a long time and so on. Widely used pipe machine, profiles and other equipment.Items:SK-2D、SK-3D、SK-4.5D、SK-6D,Motor power:4~11KW,extract capacity:2~6(m3/min),Limit vacuum:-0.095MPa.

■List of performance
type of pump
electric machinepower
(kw)
off-gas quick result
(m3/min)
limit vacuum
(Mpa)
caliber entering or excluding gas
(mm)
weight
(kg)
size(L×W×H)
(mm)
SK-2D
4
2
-0.095
Φ50
113
668×340×360
SK-3D
5.5
3
-0.095
Φ50
114
688×340×370
SK-4.5D
7.5
4.5
-0.095
Φ66
150
802×380×385
SK-6D
11
6
-0.095
Φ66
198
845×380×425
■List of size installation
type of pump
L
L1
L2
A
B
B2
B3
H
H1
H2
2-d
4-φ
S
Before
After
Before
After
SK-2D
668
92
317
180
340
255
190
318
243
359
340
140
φ50
12
G1/2"
SK-3D
688
92
347
180
340
265
216
315
274
371
350
150
φ50
12
G1/2"
SK-4.5D
800
97
430
200
3480
265
216
310
270
388
350
150
φ66
12
G1/2"


Q:What is the pump delivery? What's the difference between years and years?
First of all, as a student majoring in insurance, I strongly condemn the first floor of ignoring practice and trampling on real knowledge!!The insurance industry criticized a lot, but it is required for many people, we should face and try to maintain the healthy development of the industry, the first floor of the insurance you have not done, have no contact with the insurance, insurance, not to dictate the nonsense, more should not be here misleading!
Q:Working principle and structure of external gear pump
External gear pump is the most widely used gear pump, the general gear pump usually refers to the external gear pump. Its structure as shown in the diagram, there are mainly driving gear, driven gear, pump body, pump cover and safety valve and so on. The seal space of pump body, pump cover and gear is the workshop of gear pump. The wheel shafts of the two gears are respectively arranged in the bearing holes on the two pump cover, and the driving gear shaft extends out of the pump body and is driven by the motor to rotate. The external gear pump is simple in structure, light in weight, low in cost, reliable in operation and wide in application. When the gear pump works, the driving wheel rotates with the motor and drives the driven wheel to rotate
Q:Why adjust the centrifugal pump outlet valve can adjust the flow? What are the advantages and disadvantages of this method? Is there any other way to regulate the flow of the pump?
The centrifugal pump at a fixed speed, the head is fixed, adjust the outlet valve to adjust the diversion area
Q:What should I pay attention to when buying a pump?
Four, packing inspection1. with the pump supply documents shall include: product certification, specification, packing list, agricultural pumps (such as submersible pumps, centrifugal pumps, mixed flow pumps, self-priming pump etc.) should be "Three Guarantees certificate", the implementation of the production permit (such as pump submersible pump, high pressure pump, high temperature pump 5 pump) we should have a production license.2. plugging of the orifice, to withstand wind and rain invasion, and should be strong, can withstand accidental damage.3. pumps and all supplied bulk parts supplied with the pump shall have the required identification number and shall be clear.4. pairs of oil lubricated bearings, bearings tank oil should be discharged, and fixed with "need oil filling" warning signs.
Q:What is the relationship between the minimum suction vacuum of a pump and the required cavitation?
Suction is allowed to pump the vacuum from the distance from the inlet, which is part of the field installation.The manufacturer of cavitation allowance is closely related to the design and process of pump. Estimation formula: cavitation allowance =10.33 meters - allow suction of -0.5 meters (safety).
Q:What is the displacement of the pump? Flow? What is the volume efficiency and mechanical efficiency of the pump?
Displacement of a pump: the volume of the discharged liquid calculated by the change in the size of the sealing geometry for each revolution of the hydraulic pump
Q:What is the difference between swashplate pump and crankshaft pump?
In hydraulic system:Axial piston pump is the use of parallel with the transmission shaft in the plunger plunger reciprocating movement of the volume changes generated by the work. As the plunger and the plunger hole are circular parts, processing can achieve high accuracy with the high volume efficiency, stable operation, good flow uniformity, low noise, high working pressure, but the hydraulic oil pollution is more sensitive, more complicated structure, high cost.
Q:What are the internal losses in centrifugal pumps? How did they come about?
Volume loss: loss due to leakage;3. mechanical loss
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
Q:Household automatic booster pump, how much pressure to work automatically, the water pressure and how many kilograms?
Start the pump. Water pressure depends on how large you buy the pump, generally small, mostly 10-15 meters hydraulic pressure, about 200 of the price.

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