Ms Custom made in China – replacement parts – in Seattle United States High Efficiency Double Suction Centrifugal Pump with top quality

Ms  Custom  made in China - replacement parts -  in Seattle United States  High Efficiency Double Suction Centrifugal Pump with top quality

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 diverse branches. For far more particulars: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

MS  high performance double suction centrifugal pump 

Product Introduction

MS sort pump is S series of the renewal of power-successful merchandise, broadly employed in modern day urban water supply and sewerage, energy technology, industrial procedure water intake, compression, irrigation programs and hydraulic engineering, petrochemical engineering and so on.


MS variety pump adopts nationwide standard specification for layout, its serialization, standardization, high degree of generalization, outstanding efficiency, stable procedure, secure and dependable. EPT structures be utilised in the design and style, straightforward to sustain, fix and upkeep introducing new materials could be applicable numerous media to shipping.

Main efficiency parameters

Diameter of pump outlet: DN100 to DN1200
Pump Potential: Q: 70-22392 m3/h
Pump elevate head variety: H:8-150m
Pump doing work strain: P≤4Mpa
Pump working temperature: T-20-200deg C
Solod parameter≤80mg/L
Pump working voltage: 380V to 10000V, 50Hz & 60Hz

Pump Supporting Program and Providers

We value the power preserving and environmental security,by examining the needs of media and operation setting,undertake optional combos of materia EPT at the areas contact with media,insure safety,reliability,inexpensive procedure.

Development Drawings

Structural Characteristics

 Type XS pumps work stably with much less sounds and vibration,may possibly be appropriately function at increasing velocity due to limited spacing among equally side supports,therefore they can widely used. Inlet and outlet at the very same line,the identical rotor of the XS pumps can be operated in reverse direction,the XS pumps functions stably with significantly less sound and vibration and can operate at raising speed thanks to short spacing between both aspect assistance, which make the pumps can be broadly utilised. The XS pumps undertake the way of center help, thicken the pump casing, and use cooling sea EPT and oil lubrication bearing which make XS pump suited operating at 200ºC,particularly for provide heating net technique. XS sort pumps can be vertically  or horizontally mounted in accordance to various working condition, with mechanical sea EPT or packing seals.

Functionality Knowledge

Variety Ability (m³/h) Head (m) Velocity (r/min) shaft electricity (kw) Motor electricity (kw) EFF(%) NPSH(m)
MS product 70-22392 8-a hundred and fifty 2900/1450/985/485 21.4-1674 22-2000 68-92 one.7-eleven

Safety measures

1. Inspection before starting up

Be sure to check the followings:

(1) Insure pump plate set on basis

(2) Insure coupling and pump device alignment

(3) Insure piping linked by demands

(4) Insure motor installed by Set up and procedure instruction

(5) Insure the rotor of pump rotate effortlessly (at lea EPT a circle)

(6) Insure the coupling guard put in

(7) Insure the operator completely comprehend the safety specification that they need to obey and the failures may possibly be occurred

(8) Insure the shaft seal liquid or cooling liquid lead-in by demands

(9) Insure the shaft seal mounted by procedure instruction

(10) Insure the auxiliary gadget set up by operation instruction (If they exist)

(eleven) nsure the bearing have lubricated well, specially insure new pump grease or slender oil do not lessen or go poor

(12) Insure the air trapped in pump escaped.


2. Shaft Seal

Open valves appropriately for stuffing box seal


3. Air exhaust

Pump and piping must fill of medium before commencing, there are two approaches: generation of vacuum or priming. If the pump operated on the suction state, exit gas by bolt hole on leading of the pump casing.

Be aware: When development of vacuum, evacuate air by bolt gap on top of the pump casing. When priming, open each side reduced stress volute chamber of pump casing and the best plug, to get rid of pump vibration by remained air in pump.


4. Starting

(1) Near outlet valve

(2) Open up inlet valve comple tel: +86~thirteen 0571 88828y

(3) Open all auxiliary piping (cooling, heating, sealing, rinsing and lubricant liquid), and examine all potential and strain

(4) Beginning pump following finishing above techniques

(5) When the method starting up produce medium and the stress reading through at force gauge rise up, open outlet valve gradually.

Be aware: Forbid pump operating without having liquid! Only close outlet valve when the pump start off and shutdown, otherwise will harm the pump by overheating.


5. Procedure


Validate running level


According to Q-H efficiency curve of pump, ability Q differs with the genuine procedure head. The head depended on the technique head (which includes the altitude variation in between inlet and outlet, piping, valves, radiator and so on). So the pump in fact functioning stage B relies upon on pump functionality

curve Q-H and technique performance curve Q-HA.

Once capacity settled, the shaft energy, performance, EPT EPT settled as well. Pump has limited functioning variety. The minimal capacity are proven as Qmin in Q-H overall performance curve. Optimum capacity are depended on the cross point of pump tolerance EPT EPT and system valid NPSHA. Adju EPT valve can adjust efficiency curve Q-HA of method, thus adju EPT procedure efficiency, tends to make pump operation secure and high effectiveness.

(2) Procedure management

Ought to pay out focus to followings:

a. Pump must operate stably

b. Forbid pump working with out liquid

c. To prevent medium temperature rise up, pump can not be operate prolonged period when shut outlet valve

d. Usually, the bearing temperature not higher than 35ºC of ambient temperature, absolute

operation temperature less than 100ºC.

e. Check oil amount routinely if use skinny oil. Deep groove ball bearing of grease lubrication no need to have routine maintenance.

f. Do not near inlet valve (if it is exist) when pump running.

g. Periodical inspection and commence jury pump.

h. Check auxiliary piping no matter whether linked nicely.

i. Check out elastic aspect of coupling, if worn exchange immedia tel: +86~13 0571 88828y.

j. For stuffing box seal there should have a slight drip when managing, thrust stuffing box gland carefully until finally there is a slight drip (about fifteen-thirty fall/min ).

For mechanical seal the seal leakage need to decrease progressively. It is about -5drop/min soon after

starting couple of hrs. If the seal leakage improve gradually and attain about 30-60drop/min, ought to examine or adju EPT mechanical seal.


6. Shutdown

Near discharge valve.

Insure the pump unit quit smoothly when shutdown the motor. Pump need to have a proper right after-running time period, reduce heat supply at this time, so that the delivered medium can awesome down comple tel: +86~13 0571 88828y and avoid of creating any warmth within pump.

Close suction valve if pump end operate for a lengthy interval of time.

Shut auxiliary piping, the shaft seal need to use seal lubricant even though at stopped point out. Evacuate all medium in pump and piping when freeze or cease operate for a extended-phrase, so as not to fro EPT crack.


seven. Storage

Each and every pump has inspected strictly just before delivery. Suggest to adopt adhering to methods to store pump.

(1) Store new pump

If shop pump at indoor, cleanse dry spot and follow the storage specifications, the longe EPT storage time is 12 months.

(2) If equipment is to be stored for extended periods of time must adhere to below methods.

a. Pump ought to preserve in installation condition and examine work issue often. Begin pump as soon as every thirty day period or every single 3 months (about 5 minutes). Verify managing situation before starting pump to insure there is adequate liquid.

b. Dismantled pump from piping and verify it according to section 5.1 to 5.4. Implement protecting agent on within pump casing especially the hole of the impeller, use on suction and discharge, then include the suction.

c. Procedure right after storage

Examine and preserve comple tel: +86~thirteen 0571 88828y just before starting up pump, specifically shaft seal and bearing lubricant. Reinstall all basic safety defense products according to prerequisite prior to starting up.






commencing load way too high

1. Beginning with no closing discharge valve
2. packing as well limited guide to lubricant drinking water can not circulation into
3. Misguide by failing of overcurrent protector

1. Close the valve
two. Loose packing or check the valve of drinking water seal, check if packing ring yet again EPT the nozzle of lubricant water,
three. Adju EPT existing limiting threshold or fix overcurrent protector.

Packing overheating

1.Packing  too limited
2.Cooling water can not flow into packing box
3. Harm in the floor of shaft or shaft sleeve

one. Free packing appropriately
two.Free packing or check out if the drinking water seal pipe clogged
3.Restore shaft or shaft sleeve

Packing leakage abnormal

one. Packing worn
two. Packing also free
three. Shaft curved or vibration
4. Mistaken packing bind
five. Unclean seal h2o wore shaft
6. Shaft sleeve worn
seven. Wrong packing
eight.The stress of seal chamber also high or way too low

one. Exchange packing
2. Tighten packing box gland or incorporate more packing
three.Align or change shaft
four. Rebind packing
5.Filtrate or use exterior source as seal water, fix
six.Change shaft sleeve
7.Change packing
eight. Adju EPT the strain and capacity of seal liquid or use a sealing liquid from an exterior supply.

Mechanical seal leakage

one. The nominal stress of mechanical seal reduced than actual operate stress
two.Unreasonable reduction of Mechanical seal mounting,friction parts not make contact with efficient
3. The ru EPT of shaft sleeve area cause rotating seal ring of mechanical seal sealing failure
4. The delivered medium actual physical and chemical property triggers O-ring reduction elasticity
five. The sent medium actual physical and chemical home leads to spring mechanical seal of reduction elasticity
 6. Impurity enter friction parts and broken their surface
7. The liquid of friction factors volatilize that result in their area burning-out

1. Alter the type of mechanical seal
2. Reinstall
three. Clear shaft sleeve or change their substance
four. Adjust materials
5. Exchange or adjust content
6. Filtrate or use exterior source as rinsing drinking water
seven. Adju EPT rinsing medium or evaluate

Bearings in excess of heating

one.Improper centering
2.Poor adjustment or resonance in piping
3.Overlarge .axial force
4.Unbalance rotor
5. The rigidity of basis not ample
six. Incorrect bearing installation or inappropriate clearance
seven. Wore or loosened shaft
eight. Improper lubrication
9. Oil splash ring can not get oil
10. Bad circulation in pressure lube

1. Readjust
two.Readjustreduce piping if necessary use vibration-absorptive materialcheck and restore
three. Verify and adju EPT special working pointcheck capacity and operating state
4. Rebalance
five.Strengthen the rigidity of basis
six. Examine and pick bearing with properclearance
seven. Examine and replace bearing
8. Check out the amount of oil first, way too much or so minor will have an effect on procedure, then check out the top quality of oil, specifically relevant temperature
9.Examine and eradicate, the causes of can not get oil might associated with oil quality, pace,wore of oil splash ring and oil circulation
10. Examine the program of strain lube

Vibration and noisy

one. Unique doing work position B is not layout pointnot layout level lower or high will trigger vibration and noisy
2. Insecure basis
three.Loosened anchor bolt
four.Insecure piping supports
5.Piping resonance
seven. Air cell in medium or piping leakage
eight.clogged inlet or outlet of impeller
9. Improper centering
10. Unbalanced pump rotor or motor rotor
eleven.Worn coupling pin or harmful coupling connection
12. Worn bearing
13. Shaft curved
14. Friction in rotating elements
15.Loosened or damaged rotating factors

one. Adju EPT technique specific operating stage or pump style parameters
two. Strengthen foundation
3. Tighten anchor bolt
four. Reinforce piping supports
5. Increasing the distance between pump discharge and elbow, use vibration-absorptive substance in piping link, adju EPT piping arrangements
six. Increase h2o level, minimize suction line decline, improve suction stress by using inlet throttle valveimprove pump cavitations performance
seven. Examine and eliminate, incorporate discharge valve
8. Clear impeller, cleanse impurity of pump and piping, examine strainer and suction nozzle
nine. Recentering
eleven. Substitute pin, rotate coupling 180°, eliminate mistake of pin  hole, adju EPT the device to insure there is a essential clearance in coupling
12. Repair or substitute bearing
thirteen. Align or replace shaft
fourteen. Eliminate friction
15. Eradicate, change worn areas

water attack

Air in pump or piping

Evacuate air and get rid of the causes

Pump starts pumping then stops

one. Clogged in suction line or impeller
2.  Air  cell in piping
three. Raise too large  (valid EPT EPT way too low)
4. Air enter shaft seal
5. Water degree reduce also much

1. Thoroughly clean impeller, thoroughly clean impurity of strainer and suction piping
two. Increase suction line, adju EPT piping preparations, incorporate discharge valve
3. Boost entrance strain, enhance suction strain by making use of inlet throttle valve low the top of pump installation adjust suction line if also a lot line loss
four. Check stress and amount of seal liquid if they are appropriate working requirements, substitute packing or EPT shaft seal, examine the mounting situation of drinking water seal ring
five. Increase the lowe EPT h2o level, increase entrance force, enhance   suction   pressure by using   inlet   throttle   valve


We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For a lot more details: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of unique products manufacturer’s (OEM) element numbers or logos , e.g. CASE® and John Deere® are for reference needs only and for indicating solution use and compatibility. Our organization and the outlined replacement parts contained herein are not sponsored, accepted, or created by the OEM.

Ms  Custom  made in China - replacement parts -  in Seattle United States  High Efficiency Double Suction Centrifugal Pump with top quality

Ms  Custom  made in China - replacement parts -  in Seattle United States  High Efficiency Double Suction Centrifugal Pump with top quality

Ms  Custom  made in China - replacement parts -  in Seattle United States  High Efficiency Double Suction Centrifugal Pump with top quality