300wn Dredging Machine Dredging Pump

Model NO.: 300 WS Working Pressure: Middle Pressure Pump Position of Pump Shaft: Horizontal Pump Mounting Height: Suction Centrifugal Usage: Condensate Pump OEM: Accept After-Sales: Yes Payment Term: Tt or LC Price: Negotiate Specification: CE, ISO, SGS HS Code: 8413709990 Impeller Number: Single-Stage Pump Influent Type of Impeller: Single Suction Pump Pump Casing Combined: Verticaljoint Surface Pump Impeller: Closed Color: Blue, Yellow, Red, Green and Others Stock: Yes Mqq: 1 Unit Use: Dredging and Damming of The River and Seas Trademark: Naipu Or OEM Origin: Shijiazhuang, China                                            300WN Dredging Machine Dredging Pump  



Basic Information:

Name: NP-WS Dredging Gravel Pump
Pump Type: Centrifugal
Drvie Type: DCZ
Power: Motor / Diesel
Discharge Size: 100-1000mm
Capacity: 180-25000(m³/h)
Head: 25-76(m)
Application and Feature Naipu® NP-WS dredging pump is single-stage single-suction cantilever horizontal Centrifugal Pump with advantages of light weight ,good wear-resistant ,super dredging performance ,perfectly suited for the dredge on the whole construction ,high multiple economy benefits and so on .It throughout meets requirements of the dredge to Dredging Pumps .The pump mainly consists of the pump head , gearbox specifically for the dredging pump ,high elastic coupling and supervisor system of the driving device for the dredge.

Typical Applications---

Suction Hopper Dredging
Constructional Material
Sand gravel processing
Barge Loading
Sand Reclamation   NP-WS Dredging  PUMP PERFORMANCE PARAMETERS    

type	Capacity (M3/H)	Head (M)	Speed (r/min)	Efficiency(%)	Inlet Dia (mm)	Outlet dia.   (mm)	NPSHR (M)		Max dia of flowed particle		Weight(T)
									five	three
100 WS	180-250	25-45	1000-1400	50-58	150	100		<3.5	50	82	0.5
150WS	250-550	20-40	1200-1400	58-60	200	150		<4	76	127	1.1
150WSG	350-700	40-65	800-980	68-71	200	150		<3.5	84	140	1.9
200WS	350-700	20-45	700-980	60-65	250	200		<4.5	105	178	2.3
200WSG	550-1000	40-65	700-850	70-72	250	200		<4	108	180	3.2
250WS	700-1100	20-45	500-750	65-70	300	250		<4	132	220	4.5
250WSG	900-1500	40-60	500-650	70-74	350	250		<4.5	86	144	4.6
300WS	1100-1800	20-40	400-600	65-68	350	300		<4.5	144	241	5.5
300WSG	1500-2200	30-65	400-550	74-78	450	300		<4	144	241	8.0
350WSG	2000-3000	40-65	400-550	74-78	450	350		<4	147	245	8.8
450WSG	3000-4000	35-67	350-500	76-80	600	450		<4.5	125	254	12
500WSG	4000-5500	40-65	350-450	78-80	650	500		<4.8	150	250	17
600WSG	5000-9000	55-80	320-400	81-85	650	600		<6	160	220	35
700WSG	8000-12000	60-85	280-380	83-85	750	700		<6	180	280	50
800WSG	10000-15000	50-70	260-360	79-80	850	800		<6	200	300	58
900WSG	120000-19000	50-75	280-330	83-85	950	900		<6	210	320	85
1000WSG	16000-25000	23-76	180-290	85-87	1100	1000		<6	230	350	126

   
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  Application The Slurry Pump are widely used in mining, power , metallurgy , coal, dredging, building material and other industrial lines to pump concentrate , tailings, sludge and other abrasive , high density slurries.       Possible Faults And Removal

Faults	Reason	Removal
Pump fails to discharge any liquid	Air leaking into suction or gland Incorrect direction of pump rotation & impeller worn Suction pipe blocked	Sealed leakage Check direction of rotation and replacing impeller  Removal blockage
Shaft power consumption is excessive	Gland excessively tightened against packing rings Rotating component rubbing on a stationary part Bearing worn Drive belt tension too tight  Flow rate too large Pump speed and ratio too high Misalignment or unparallel of drive shaft and pump shaft	Loosen gland bolts Removal the rubbed part Replace the bearing Adjusting belt Modifying the pump duty and speed Adjusting drive and pump shaft
Bearing is over heating	Lubricants to much or less Containing impurity in the lubricant  Bearing worn	Lubricant as requirement Replace new lubricant Replace new bearing
Bearing has short time	Misalignment or unparallel of drive and pump shaft Shaft bent Impeller unbalanced due to wear Foreign object entered into the bearing or insufficient lubrication Incorrect procedure followed in fitting bearing	Adjusting drive and pump shaft Replacing shaft Removal rubbing and replacing new impeller Clean the bearing  Replacing or refitting the bearing
Excessive leakage from stuffing box	Packing rings excessive worn Shaft sleeve worn Dirty sealing water	Replace new packing rings Replace shaft sleeve. Change clean sealing water
Pump vibrates Or is noisy	Bearing worn  Impeller unbalanced Air entered into suction pipe or blocked Flow rate no-uniform and pump not primed	Replace by new bearing  Replace by new impeller Discharge air and remove block Improve on the pump feeding.

     
Contact Us  ShiJiaZhuang NaiPu Pump Co.,Ltd Contact person :Kitty Liu
What App /Mobile :+86-13032609126 Shijiazhuang, Headquarters Add.:No.368, Xinshi North Road, Shijiazhuang, Hebei Province, China       If you are intrested in sand suction pump, please do not hesitate to contact us!    

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