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.
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.
|shaft power (kw)
|Motor energy (kw)
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.
(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.
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.
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.
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.
starting up load way too high
one. Starting up without having closing discharge valve
one. Close the valve
1.Packing too limited
1. Unfastened packing effectively
Packing leakage excessive
one. Packing worn
1. Substitute packing
Mechanical seal leakage
one. The nominal strain of mechanical seal reduced than actual function stress
1. Alter the kind of mechanical seal
Bearings in excess of heating
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
one. Adju EPT program particular functioning position or pump style parameters
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
one. Cleanse impeller, clean impurity of strainer and suction piping
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.