Multistage Pump Dg25-50*5

Model NO.: M&W DG25-50*5 Structure: Multistage Pump Type: Blade Pump Industry: Industry Field Theory: Centrifugal Pump Specification: SGS HS Code: 8413709990 Material: Cast Iron Power: Electric Application: Clarified Water Pump, Slurry Pump, Oil Transfer Pump Media: Liquid Trademark: M&W pump Origin: Changsha, Hunan, China D, DG, DY, DF, DM type is multistage sectional type centrifugal pump.
D type is used for the transfer of clear water or liquids with physical and chemical property similar to clear water with temperature between 20 to 80 degree and without containing solid particles.
DG type is used for the transfer of clear water or liquids with physical and chemical property similar to clear water with temperature between -20 to 150 degree and without containing solid particles, suitable for Water Supply for medium and low pressure boiler.
DY type is used for the transfer of oil and petroleum product with medium temperature between -20 to 400 degree, viscosity less than 120 CST and without containing solid particles
DF type is used for the transfer of corrosive liquid with medium temperature between -20 to 150 degree without containing solid particles.
DM type is used for the transfer of clear water or liquid with physical and chemical property similar to clear water, containing a small amount of solid particles.
Performance Range: Capacity: 6~540m3/h
Head: 33~1056m
Structure: D, DG, DY, DF, DM type are all installed horizontally. The inlet of D type is horizontal and the outlet is upwards perpendicularly. The inlet and outlet of DG, DY, DF type are both upwards perpendicularly. The inlet of DY I, II, III and DF can be horizontal. The pump axial force is balanced by the balance disk. Only D, DG, DY, DF 3-40 have the symmetrical structure, which can balance the axial force automatically. The shaft seal is packing seal or mechanical seal. D85-67, D155-67 adopt sliding bearing and rolling bearing with grease oil lubrication, and other pumps adopt rolling bearing with grease or lubrication oil.
Material of flow passage components: D, DG type: Iron cast for flow passage
Components; 45# steel for shaft;
DY type: Three kinds:
I: Cast iron (working temperature between -20 to 150 degree;
II: Cast steel (working temperature between -45 to 400degree;
III: Stainless steel (working temperature between -45 to 400 degree;
DF type: Cast steel and stainless steel, up to medium temperature and the corrosion degree;
DM type: Anti friction cast iron.
Special requirements for material and structure can be satisfied.
Model instruction: Eg. D (DG, DY, DF, DM) I, II, III, 85-67x9
D-Multistage centrifugal pump
DG-Multistage boiler water supply pump
DY-Multistage Oil Pump
DF-Multistage anti corrosion pump
DM-Multistage anti friction pump
-I, II, III- material code
85-Pump capacity (m3/h)
67Single stage head
9-Pump stage number, total head is 67× 9=603(m)

Parameters Model	Capacity Q	Head H	Speed n	Motor			Eff. η	NPSH	Impeller Diameter	Diameter			WT. kg
				Power	Model					Inlet		Outlet
	m3/h	m	r/min	kw			%	m		mm
D16_60×8	10.0	496.0	2980	75.0	Y YB	280S_2	30	2.3	209	65	50		234
	16.0	488.0					40	2.8
	20.0	472.0					44	3.4
D16_60×9	10.0	558.0	2980	90.0	Y YB	280M_2	30	2.3	209	65	50		234
	16.0	549.0					40	2.8
	20.0	531.0					44	3.4
D16_60×10	10.0	620.0	2980	90.0	Y YB	280M_2	30	2.3	209	65	50		234
	16.0	610.0					40	2.8
	20.0	590.0					44	3.4
D16_60×11	10.0	682.0	2980	110.0	Y YB	315S_2	30	2.3	209	65	50		234
	16.0	671.0					40	2.8
	20.0	649.0					44	3.4
D16_60×12	10.0	744.0	2980	110.0	Y YB	315S_2	30	2.3	209	65	50		234
	16.0	732.0					40	2.8
	20.0	708.0					44	3.4
D16_60×13	10.0	806.0	2980	132.0	Y YB	315M_2	30	2.3	209	65	50		234
	16.0	793.0					40	2.8
	20.0	767.0					44	3.4
D16_60×14	10.0	868.0	2980	132.0	Y YB	315M_2	30	2.3	209	65	50		234
	16.0	854.0					40	2.8
	20.0	826.0					44	3.4
D25_50×3	15.0	154.5	2980	30.0	Y YB	200L1_2	44	2.4	196	80	80		270
	25.0	150.0					54	2.7
	28.0	144.0					54	2.8
D25_50×4	15.0	206.0	2980	37.0	Y YB	200L2_2	44	2.4	196	80	80		295
	25.0	200.0					54	2.7
	28.0	192.0					54	2.8
D25_50×5	15.0	257.5	2980	37.0	Y YB	200L2_2	44	2.4	196	80	80		315
	25.0	250.0					54	2.7
	28.0	240.0					54	2.8
D25_50×6	15.0	309.0	2980	45.0	Y YB	225M_2	44	2.4	196	80	80		340
	25.0	300.0					54	2.7
	28.0	288.0					54	2.8

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