Horizontal Split Case Pump with Motor for Sale

Horizontal Split Case Pump with Motor for Sale


horizontal break up scenario pump with motor for product sales

split case  pump product Introduction

Split situation pump is a new technology of large efficiency single phase double suction centrifugal pumps which largely employed in offering liquids of the h2o plant, air conditioner circulation h2o, heating pipe network method, creating drinking water source, irrigation and drainage of pump stations, energy plants, industrial drinking water source program, fireplace preventing method, shipping business and mine.

Primary performance parameters

Diameter of pump outlet: DN80 to DN900
Pump Potential: Q: 22-16236m3/h
Pump lift head variety: H:7-300m
Pump functioning pressure: P≤5Mpa
Pump doing work temperature: T-twenty-200deg C
Pump working voltage: 380V to 10000V, 50Hz & 60Hz

Pump Supporting Program and Services

We benefit the strength conserving and environmental safety,by analyzing the demands of media and operation setting,undertake optional combinations of components at the elements make contact with with media,insure stability,trustworthiness,economical procedure.

CZPT Drawings

Structural Functions

Split scenario pump work stably with considerably less sounds and vibration,may be correctly function at increasing pace owing to quick spacing in between both side supports,hence they can broadly used. Inlet and outlet at the very same line,the identical rotor of the XS pumps can be operated in reverse course,the XS pumps operates stably with less sounds and vibration and can operate at elevating pace because of to limited spacing between each side help, which make the pumps can be extensively utilised. The XS pumps undertake the way of middle assistance, thicken the pump casing, and use cooling seals and oil lubrication bearing which make XS pump suited doing work at 200ºC,especially for provide heating net program. XS sort pumps can be vertically  or horizontally mounted according to diverse working problem, with mechanical seals or packing seals.

Efficiency Knowledge

Kind Capability (m³/h) Head (m) Pace (r/min) shaft electricity (kw) Motor power (kw) EFF(%) NPSH(m)
XS model 22-16236 seven-300 2900/1450/985/485 two.9-3737 five.five-4000 68-92 1.7-11


one. Inspection prior to starting up

Be positive to examine the followings:

(one) Insure pump plate set on basis

(2) Insure coupling and pump device alignment

(three) Insure piping linked by demands

(4) Insure motor put in by Installation and procedure instruction

(five) Insure the rotor of pump rotate very easily (at minimum a circle)

(six) Insure the coupling guard installed

(seven) Insure the operator fully realize the protection specification that they must obey and the failures may be happened

(eight) Insure the shaft seal liquid or cooling liquid direct-in by requirements

(9) Insure the shaft seal set up by operation instruction

(ten) Insure the auxiliary unit set up by operation instruction (If they exist)

(11) nsure the bearing have lubricated properly, specifically insure new pump grease or slim oil do not minimize or go bad

(twelve) Insure the air trapped in pump escaped.


two. Shaft Seal

Open up valves appropriately for stuffing box seal


3. Air exhaust

Pump and piping ought to fill of medium just before starting up, there are two approaches: development of vacuum or priming. If the pump operated on the suction point out, exit gas by bolt gap on leading of the pump casing.

Notice: When generation of vacuum, evacuate air by bolt hole on top of the pump casing. When priming, open up both aspect minimal strain volute chamber of pump casing and the leading plug, to get rid of pump vibration by remained air in pump.


4. CZPTting

(one) Near outlet valve

(two) Open inlet valve entirely

(3) Open up all auxiliary piping (cooling, heating, sealing, rinsing and lubricant liquid), and check all potential and stress

(4) CZPTting pump following ending previously mentioned methods

(5) When the program starting deliver medium and the strain looking through at pressure gauge increase up, open up outlet valve little by little.

Be aware: Forbid pump operating with no liquid! Only shut outlet valve when the pump start and shutdown, normally will hurt the pump by overheating.


5. Operation


Affirm working level


According to Q-H performance curve of pump, capability Q varies with the real procedure head. The head depended on the program head (which includes the altitude distinction between inlet and outlet, piping, valves, radiator and so on). So the pump really working point B depends on pump overall performance

curve Q-H and method overall performance curve Q-HA.

Once ability settled, the shaft energy, effectiveness, NPSH settled as properly. Pump has constrained doing work assortment. The bare minimum potential are revealed as Qmin in Q-H overall performance curve. Maximum potential are depended on the cross point of pump tolerance NPSH and method legitimate NPSHA. Alter valve can modify functionality curve Q-HA of technique, thus change operation efficiency, tends to make pump operation steady and large efficiency.

(two) Operation administration

Need to spend interest to followings:

a. Pump ought to operate stably

b. Forbid pump working with no liquid

c. To avoid medium temperature increase up, pump can not be run long interval when close outlet valve

d. CZPTly, the bearing temperature not increased than 35ºC of ambient temperature, absolute

procedure temperature significantly less than 100ºC.

e. Check out oil degree regularly if use thin oil. Deep groove ball bearing of grease lubrication no need to have routine maintenance.

f. Do not shut inlet valve (if it is exist) when pump working.

g. Periodical inspection and start jury pump.

h. Check out auxiliary piping whether linked properly.

i. Examine elastic component of coupling, if worn change right away.

j. For stuffing box seal there should have a slight drip when managing, press stuffing box gland carefully until there is a slight drip (about 15-30 fall/min ).

For mechanical seal the seal leakage must minimize gradually. It is about -5drop/min following

commencing number of several hours. If the seal leakage increase slowly and get to about thirty-60drop/min, should check out or modify mechanical seal.


6. Shutdown

Near discharge valve.

Insure the pump device stop smoothly when shutdown the motor. Pump need to have a correct after-running period, reduce warmth resource at this time, so that the sent medium can amazing down entirely and stay away from of creating any heat inside pump.

Shut suction valve if pump quit work for a lengthy time period of time.

Close auxiliary piping, the shaft seal should use seal lubricant even however at stopped point out. Evacuate all medium in pump and piping when freeze or end work for a long-expression, so as not to frost crack.


seven. Storage

Each and every pump has inspected strictly prior to delivery. Recommend to adopt pursuing procedures to retailer pump.

(one) Shop new pump

If retailer pump at indoor, thoroughly clean dry place and adhere to the storage needs, the longest storage time is 12 months.

(two) If equipment is to be stored for lengthy intervals of time must adhere to below methods.

a. Pump need to keep in set up condition and inspect perform situation frequently. CZPTt pump as soon as every month or every single three months (about 5 minutes). Verify running issue ahead of commencing pump to insure there is enough liquid.

b. Dismantled pump from piping and check it according to segment five.one to 5.four. Implement protecting agent on inside pump casing specifically the hole of the impeller, apply on suction and discharge, then cover the suction.

c. Procedure after storage

Examine and sustain totally just before starting up pump, especially shaft seal and bearing lubricant. Reinstall all security security devices in accordance to necessity prior to starting.




Leads to


starting up load way too substantial

one. CZPTting without having closing discharge valve
2. packing way too limited lead to lubricant h2o can not movement into
3. Misguide by failing of overcurrent protector

one. Shut the valve
two. Free packing or check out the valve of water seal, check out if packing ring from the nozzle of lubricant drinking water,
three. Alter current limiting threshold or repair overcurrent protector.

Packing overheating

one.Packing  too tight
two.CZPT drinking water can not stream into packing box
3. Injury in the floor of shaft or shaft sleeve

1. Loose packing correctly
two.Loose packing or check out if the h2o seal pipe clogged
3.Restore shaft or shaft sleeve

Packing leakage extreme

1. Packing worn
2. Packing as well unfastened
3. Shaft curved or vibration
4. Incorrect packing bind
five. Unclean seal water wore shaft
6. Shaft sleeve worn
seven. Incorrect packing
8.The force of seal chamber as well large or too minimal

one. Change packing
2. Tighten packing box gland or include far more packing
3.Align or replace shaft
four. Rebind packing
five.Filtrate or use exterior supply as seal drinking water, fix
six.Replace shaft sleeve
seven.Change packing
eight. Alter the strain and ability of seal liquid or use a sealing liquid from an exterior supply.

CZPT seal leakage

one. The nominal strain of mechanical seal reduce than actual function pressure
2.Unreasonable reduction of CZPT seal mounting,friction components not get in touch with efficient
3. The rust of shaft sleeve floor cause rotating seal ring of mechanical seal sealing failure
four. The sent medium bodily and chemical property causes O-ring reduction elasticity
five. The sent medium physical and chemical home leads to spring mechanical seal of loss elasticity
 6. Impurity enter friction elements and broken their area
7. The liquid of friction parts volatilize that lead to their floor burning-out

one. Change the sort of mechanical seal
two. Reinstall
three. Clean shaft sleeve or change their content
4. Modify material
five. Substitute or modify substance
6. Filtrate or use exterior supply as rinsing h2o
7. Alter rinsing medium or measure

Bearings in excess of heating

one.Improper centering
2.Inappropriate adjustment or resonance in piping
3.Overlarge .axial force
four.Unbalance rotor
5. The rigidity of basis not enough
6. Incorrect bearing installation or incorrect clearance
seven. Wore or loosened shaft
eight. Improper lubrication
nine. Oil splash ring can not get oil
ten. Poor circulation in pressure lube

1. Readjust
2.Readjustreduce piping if essential use vibration-absorptive materialcheck and mend
3. Verify and alter particular functioning pointcheck capacity and operating state
four. Rebalance
5.CZPTen the rigidity of foundation
six. Check and choose bearing with properclearance
seven. Examine and exchange bearing
8. Check out the sum of oil very first, way too a lot or so small will impact operation, then check the top quality of oil, specially applicable temperature
nine.Verify and eliminate, the triggers of can not get oil could associated with oil top quality, velocity,wore of oil splash ring and oil circulation
10. Check the technique of force lube

Vibration and noisy

1. Special doing work point B is not design and style pointnot style stage low or higher will cause vibration and noisy
2. Insecure foundation
3.Loosened anchor bolt
4.Insecure piping supports
five.Piping resonance
seven. Air mobile in medium or piping leakage
eight.clogged inlet or outlet of impeller
9. Inappropriate centering
10. Unbalanced pump rotor or motor rotor
11.Worn coupling pin or harmful coupling link
twelve. Worn bearing
thirteen. Shaft curved
fourteen. Friction in rotating aspects
15.Loosened or broken rotating aspects

one. Modify method special functioning stage or pump layout parameters
2. CZPTen foundation
3. Tighten anchor bolt
four. CZPTen piping supports
5. Increasing the length in between pump discharge and elbow, use vibration-absorptive substance in piping link, modify piping arrangements
6. Increase water stage, decrease suction line loss, improve suction strain by utilizing inlet throttle valveimprove pump cavitations performance
seven. Check and eliminate, add discharge valve
8. Thoroughly clean impeller, thoroughly clean impurity of pump and piping, check strainer and suction nozzle
nine. Recentering
eleven. Substitute pin, rotate coupling 180°, eradicate mistake of pin  hole, alter the unit to insure there is a needed clearance in coupling
12. Fix or exchange bearing
13. Align or change shaft
fourteen. Eliminate friction
fifteen. Remove, change worn elements

water attack

Air in pump or piping

Evacuate air and get rid of the brings about

Pump starts pumping then stops

1. Clogged in suction line or impeller
two.  Air  cell in piping
3. Carry as well substantial  (legitimate NPSH as well lower)
four. Air enter shaft seal
five. H2o amount decrease too considerably

one. Clear impeller, clear impurity of strainer and suction piping
two. Boost suction line, alter piping preparations, insert discharge valve
three. Increase entrance stress, boost suction strain by using inlet throttle valve minimal the peak of pump set up adjust suction line if as well much line reduction
4. Verify force and volume of seal liquid if they are suitable operating needs, exchange packing or other shaft seal, check out the mounting place of drinking water seal ring
5. Increase the least expensive h2o stage, boost entrance force, boost   suction   pressure by using   inlet   throttle   valve


Horizontal Split Case Pump with Motor for Sale