Horizontal best made in China – replacement parts – in Bremen Germany Split Case Centrifugal Pump Manufacturers with top quality

Horizontal  best  made in China - replacement parts -  in Bremen Germany  Split Case Centrifugal Pump Manufacturers with top quality

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

Horizontal split circumstance centrifugal pump

Horizontal break up situation centrifugal pump solution Introduction

Horizontal break up circumstance centrifugal pump is a new generation of large effectiveness one phase double suction centrifugal pumps which mostly utilised in offering liquids of the water plant, air conditioner circulation water, heating pipe community program, constructing h2o provide, irrigation and drainage of pump stations, electricity crops, industrial h2o supply program, fire preventing program, shipping and delivery business and mine. It is a new substitute of SH, S, SA, SLA and SAP.

Major overall performance parameters

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

Pump Supporting Plan and Solutions

We benefit the strength preserving and environmental safety,by analyzing the specifications of media and operation atmosphere,undertake optional combos of materia EPT at the components make contact with with media,insure security,trustworthiness,affordable procedure.

Design Drawings

Structural Characteristics

Centrifugal horizontal split scenario pump work stably with less sounds and vibration,could be effectively function at raising speed thanks to quick spacing amongst the two facet supports,as a result they can extensively utilized. Inlet and outlet at the identical line,the identical rotor of the XS pumps can be operated in reverse path,the XS pumps operates stably with significantly less sound and vibration and can perform at raising pace thanks to brief spacing amongst both aspect help, which make the pumps can be commonly used. The XS pumps adopt the way of middle assistance, thicken the pump casing, and use cooling sea EPT and oil lubrication bearing which make XS pump suitable doing work at 200ºC,specifically for source heating web method. XS sort pumps can be vertically  or horizontally mounted in accordance to various functioning condition, with mechanical sea EPT or packing seals.

Efficiency Info

Kind Ability (m³/h) Head (m) Velocity (r/min) shaft power (kw) Motor energy (kw) EFF(%) NPSH(m)
XS model 22-16236 seven-300 2900/1450/985/485 two.9-3737 five.5-4000 68-ninety two 1.7-11


1. Inspection prior to starting up

Be certain to check out the followings:

(1) Insure pump plate fixed on foundation

(2) Insure coupling and pump unit alignment

(3) Insure piping connected by specifications

(4) Insure motor mounted by Installation and procedure instruction

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

(6) Insure the coupling guard mounted

(7) Insure the operator completely understand the security specification that they need to obey and the failures may be happened

(8) Insure the shaft seal liquid or cooling liquid guide-in by requirements

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

(10) Insure the auxiliary device installed by procedure instruction (If they exist)

(11) nsure the bearing have lubricated properly, specially insure new pump grease or skinny oil do not lessen or go negative

(12) Insure the air trapped in pump escaped.


two. Shaft Seal

Open valves effectively for stuffing box seal


3. Air exhaust

Pump and piping ought to fill of medium before starting up, there are two methods: creation of vacuum or priming. If the pump operated on the suction point out, exit gasoline by bolt hole on prime of the pump casing.

Notice: When development of vacuum, evacuate air by bolt hole on top of the pump casing. When priming, open equally facet minimal stress volute chamber of pump casing and the leading plug, to get rid of pump vibration by remained air in pump.


four. Starting

(1) Near outlet valve

(2) Open 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 force

(4) Starting up pump soon after finishing earlier mentioned methods

(5) When the technique beginning deliver medium and the pressure reading through at strain gauge increase up, open up outlet valve slowly.

Observe: Forbid pump working with no liquid! Only near outlet valve when the pump start off and shutdown, normally will harm the pump by overheating.


five. Operation


Confirm operating position


In accordance to Q-H overall performance curve of pump, capacity Q differs with the actual procedure head. The head depended on the technique head (such as the altitude variation in between inlet and outlet, piping, valves, radiator and so on). So the pump really running position B relies upon on pump efficiency

curve Q-H and system functionality curve Q-HA.

As soon as potential settled, the shaft power, performance, EPT EPT settled as nicely. Pump has restricted operating range. The least potential are demonstrated as Qmin in Q-H efficiency curve. Maximum potential are depended on the cross stage of pump tolerance EPT EPT and program valid NPSHA. Adju EPT valve can adjust performance curve Q-HA of program, thus adju EPT procedure efficiency, makes pump procedure stable and substantial performance.

(2) Operation management

Need to pay out attention to followings:

a. Pump need to function stably

b. Forbid pump functioning with no liquid

c. To avoid medium temperature increase up, pump can not be operate long period when near outlet valve

d. Normally, the bearing temperature not higher than 35ºC of ambient temperature, complete

procedure temperature significantly less than 100ºC.

e. Check out oil level regularly if use thin oil. Deep groove ball bearing of grease lubrication no require routine maintenance.

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

g. Periodical inspection and commence jury pump.

h. Verify auxiliary piping whether connected nicely.

i. Examine elastic component of coupling, if worn change immedia tel: +86~thirteen 0571 88828y.

j. For stuffing box seal there need to have a slight drip when running, drive stuffing box gland carefully right up until there is a slight drip (about 15-thirty drop/min ).

For mechanical seal the seal leakage should minimize steadily. It is about -5drop/min right after

starting up handful of several hours. If the seal leakage boost progressively and reach about thirty-60drop/min, must check or adju EPT mechanical seal.


6. Shutdown

Near discharge valve.

Insure the pump device end efficiently when shutdown the motor. Pump should have a appropriate following-managing period, cut heat supply at this time, so that the delivered medium can great down comple tel: +86~thirteen 0571 88828y and keep away from of making any warmth inside pump.

Near suction valve if pump stop perform for a long time period of time.

Close auxiliary piping, the shaft seal must use seal lubricant even even though at stopped point out. Evacuate all medium in pump and piping when freeze or stop operate for a long-expression, so as not to fro EPT crack.


7. Storage

Each and every pump has inspected strictly before delivery. Advocate to adopt pursuing techniques to store pump.

(1) Retailer new pump

If keep pump at indoor, clean dry area and adhere to the storage needs, the longe EPT storage time is twelve months.

(2) If gear is to be saved for prolonged durations of time must adhere to underneath methods.

a. Pump need to hold in installation point out and examine function situation frequently. Begin pump after every thirty day period or each three months (about 5 minutes). Check managing condition prior to commencing pump to insure there is adequate liquid.

b. Dismantled pump from piping and examine it according to area 5.1 to 5.4. Utilize protecting agent on inside of pump casing specifically the gap of the impeller, implement on suction and discharge, then go over the suction.

c. Operation right after storage

Inspect and keep comple tel: +86~13 0571 88828y before commencing pump, especially shaft seal and bearing lubricant. Reinstall all security defense products in accordance to necessity prior to starting up.




Brings about


starting up load way too high

one. Starting up without having closing discharge valve
two. packing also tight lead to lubricant drinking water can not movement into
three. Misguide by failing of overcurrent protector

one. Close the valve
2. Loose packing or check out the valve of h2o seal, check out if packing ring once more EPT the nozzle of lubricant drinking water,
three. Adju EPT recent restricting threshold or restore overcurrent protector.

Packing overheating

1.Packing  too limited
2.Cooling h2o can not flow into packing box
three. Injury in the floor of shaft or shaft sleeve

1. Unfastened packing effectively
two.Unfastened packing or examine if the water seal pipe clogged
3.Repair shaft or shaft sleeve

Packing leakage excessive

one. Packing worn
2. Packing way too unfastened
three. Shaft curved or vibration
4. Improper packing bind
five. Unclean seal drinking water wore shaft
six. Shaft sleeve worn
seven. Incorrect packing
eight.The pressure of seal chamber way too large or also low

1. Substitute packing
2. Tighten packing box gland or insert much more packing
three.Align or change shaft
four. Rebind packing
5.Filtrate or use exterior resource as seal h2o, restore
6.Replace shaft sleeve
seven.Substitute packing
8. Adju EPT the strain and capacity of seal liquid or use a sealing liquid from an external source.

Mechanical seal leakage

one. The nominal strain of mechanical seal reduced than actual function stress
two.Unreasonable reduction of Mechanical seal mounting,friction factors not get in touch with effective
3. The ru EPT of shaft sleeve floor trigger rotating seal ring of mechanical seal sealing failure
four. The delivered medium physical and chemical home brings about O-ring decline elasticity
5. The shipped medium actual physical and chemical house triggers spring mechanical seal of decline elasticity
 6. Impurity enter friction factors and ruined their area
7. The liquid of friction factors volatilize that result in their floor burning-out

1. Alter the kind of mechanical seal
two. Reinstall
3. Clear shaft sleeve or alter their content
4. Change materials
five. Replace or change material
6. Filtrate or use exterior resource as rinsing water
seven. Adju EPT rinsing medium or evaluate

Bearings in excess of heating

1.Poor centering
two.Incorrect adjustment or resonance in piping
3.Overlarge .axial power
4.Unbalance rotor
five. The rigidity of basis not sufficient
6. Incorrect bearing installation or improper clearance
seven. Wore or loosened shaft
8. Incorrect lubrication
nine. Oil splash ring can not get oil
10. Very poor circulation in stress lube

one. Readjust
two.Readjustreduce piping if necessary use vibration-absorptive materialcheck and repair
three. Check out and adju EPT specific operating pointcheck capacity and managing point out
four. Rebalance
5.Improve the rigidity of foundation
six. Examine and choose bearing with properclearance
seven. Verify and substitute bearing
eight. Check out the amount of oil 1st, too considerably or so minor will have an effect on operation, then check out the high quality of oil, specially relevant temperature
nine.Check out and remove, the causes of can not get oil may associated with oil top quality, speed,wore of oil splash ring and oil circulation
10. Check the program of strain lube

Vibration and noisy

1. Unique doing work position B is not style pointnot design and style level minimal or high will result in vibration and noisy
2. Insecure foundation
3.Loosened anchor bolt
four.Insecure piping supports
5.Piping resonance
seven. Air mobile in medium or piping leakage
8.clogged inlet or outlet of impeller
9. Improper centering
ten. Unbalanced pump rotor or motor rotor
11.Worn coupling pin or harmful coupling link
12. Worn bearing
13. Shaft curved
14. Friction in rotating factors
15.Loosened or broken rotating components

one. Adju EPT program particular functioning position or pump style parameters
two. Strengthen basis
3. Tighten anchor bolt
four. Bolster piping supports
5. Growing the distance amongst pump discharge and elbow, use vibration-absorptive materials in piping relationship, adju EPT piping arrangements
six. Rise h2o stage, decrease suction line reduction, increase suction stress by utilizing inlet throttle valveimprove pump cavitations efficiency
7. Examine and eradicate, incorporate discharge valve
8. Clean impeller, clean impurity of pump and piping, check out strainer and suction nozzle
9. Recentering
11. Substitute pin, rotate coupling 180°, remove mistake of pin  hole, adju EPT the unit to insure there is a essential clearance in coupling
12. Fix or change bearing
thirteen. Align or replace shaft
fourteen. Eradicate friction
15. Remove, exchange worn elements

drinking water assault

Air in pump or piping

Evacuate air and eradicate the causes

Pump begins pumping then stops

1. Clogged in suction line or impeller
2.  Air  cell in piping
three. Elevate as well substantial  (legitimate EPT EPT as well reduced)
4. Air enter shaft seal
5. Water degree decrease also considerably

one. Cleanse impeller, clean impurity of strainer and suction piping
two. Enhance suction line, adju EPT piping arrangements, incorporate discharge valve
three. Improve entrance strain, increase suction stress by employing inlet throttle valve lower the peak of pump installation change suction line if way too considerably line loss
four. Verify strain and sum of seal liquid if they are ideal working requirements, substitute packing or EPT shaft seal, verify the mounting situation of water seal ring
5. Rise the lowe EPT h2o amount, enhance entrance stress, improve   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 distinct branches. For more details: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of first equipment manufacturer’s (OEM) portion quantities or logos , e.g. CASE® and John Deere® are for reference needs only and for indicating product use and compatibility. Our firm and the shown alternative components contained herein are not sponsored, accredited, or created by the OEM.

Horizontal  best  made in China - replacement parts -  in Bremen Germany  Split Case Centrifugal Pump Manufacturers with top quality

Horizontal  best  made in China - replacement parts -  in Bremen Germany  Split Case Centrifugal Pump Manufacturers with top quality

Horizontal  best  made in China - replacement parts -  in Bremen Germany  Split Case Centrifugal Pump Manufacturers with top quality


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