Product Overview
DL type vertical multistage centrifugal pump is designed and manufactured according to China's high-rise building water supply and drainage and from horizontal multi-stage centrifugal pump. This type of pump adopts excellent hydraulic model with high efficiency and energy saving. It has the advantages of high efficiency and wide performance range, which better meets the user's requirements. In addition, this type of pump adopts vertical and segmented structure, and it is safe, stable, long life and small footprint. Safe and easy to maintain.
 
Product Features
Easy to install and flexible. There are four ways of import and export into 0 deg; C, 90 & deg; C, 180 & deg; C, 270 & deg; Flow rate: 5-300m3/h Head: 20-240m speed 1450r/min
 
Product use
DL, DLR vertical multi-stage centrifugal pump is suitable for industrial and urban water supply and drainage, high-rise building supercharged, long-distance water supply, heating, bathroom, boiler cold and warm water cycle pressurization, air conditioning refrigeration system water supply and equipment support. DL type media use temperature does not exceed 80 & deg; C, DLR type media use temperature does not exceed 120 & deg; C.

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Model	Levels	Traffic Q		Total Head H(m)	Speed ??n(r/min)	Power N(Kw)		Efficiencyη(%)	Sip Hs(m)	Required NPSH r(m)
		m3/h	l/s			Axis Power	Motor Power
50DL	2	9.0 12.6 16.2	2.5 3.5 4.5	26.6 24.4 21.2	1450	1.30 1.55 1.80	3	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	3	9.0 12.6 16.2	2.5 3.5 4.5	39.9 36.6 31.8		1.96 2.33 2.70	3	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	4	9.0 12.6 16.2	2.5 3.5 4.5	53.2 48.8 42.4		2.61 3.10 3.60	4	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	5	9.0 12.6 16.2	2.5 3.5 4.5	66.5 61 53		3.26 3.88 4.50	5.5	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	6	9.0 12.6 16.2	2.5 3.5 4.5	79.8 73.2 63.6		3.91 4.65 5.49	5.5	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	7	9.0 12.6 16.2	2.5 3.5 4.5	93.1 85.4 74.2		4.56 5.43 6.30	7.5	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	8	9.0 12.6 16.2	2.5 3.5 4.5	106.4 97.6 84.8		5.22 6.20 7.20	7.5	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	9	9.0 12.6 16.2	2.5 3.5 4.5	119.7 109.8 95.4		5.87 6.98 8.10	11	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16
	10	9.0 12.6 16.2	2.5 3.5 4.5	133 122 106		6.52 7.75 9.00	11	50 54 52	7.9 7.6 7.2	2.58 2.66 3.16

型號(hào)	級(jí)數(shù)	流量Q		總揚(yáng)程H(m)	轉(zhuǎn)速n(r/min)	功率N(Kw)		效率η(%)	吸程Hs(m)	必需汽蝕余量(NPSH)r(m)
		m3/h	l/s			軸功率	電機(jī)功率
65DL	2	18 30 35	5 8.33 9.72	37 32 29	1450	3.24 4.22 4.6	5.5	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	3	18 30 35	5 8.33 9.72	55.5 48 43.5		4.86 6.33 6.9	7.5	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	4	18 30 35	5 8.33 9.72	74 64 58		6.48 8.44 9.2	11	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	5	18 30 35	5 8.33 9.72	92.5 80 72.5		8.1 10.55 11.5	15	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	6	18 30 35	5 8.33 9.72	111 96 87		6.72 12.66 13.8	15	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	7	18 30 35	5 8.33 9.72	129.5 112 101.5		11.34 14.77 16.1	18.5	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	8	18 30 35	5 8.33 9.72	148 128 116		12.96 16.88 18.4	22	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	9	18 30 35	5 8.33 9.72	166.5 144 130.5		14.58 18.99 20.7	22	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03
	10	18 30 35	5 8.33 9.72	185 160 145		16.2 21.1 23	30	56 62 60	7.8 7.6 7.5	2.41 2.82 3.03

型號(hào)	級(jí)數(shù)	流量Q		總揚(yáng)程H(m)	轉(zhuǎn)速n(r/min)	功率N(Kw)		效率η(%)	吸程Hs(m)	必需汽蝕余量(NPSH)r(m)
		m3/h	l/s			軸功率	電機(jī)功率
80DL	2	32.4 50.4 65.16	9 14 18.1	43.2 40 34.2	1450	6.28 7.84 9.12	11	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	3	32.4 50.4 65.16	9 14 18.1	64.8 60 51.3		9.42 11.76 13.68	15	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	4	32.4 50.4 65.16	9 14 18.1	86.4 80 68.4		12.56 15.68 18.24	22	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	5	32.4 50.4 65.16	9 14 18.1	108 100 85.5		15.70 19.60 22.80	30	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	6	32.4 50.4 65.16	9 14 18.1	129.6 120 102.6		18.84 23.52 27.36	30	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	7	32.4 50.4 65.16	9 14 18.1	151.2 140 119.7		21.98 27.44 31.92	37	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	8	32.4 50.4 65.16	9 14 18.1	172.8 160 136.8		25.12 31.36 36.48	45	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	9	32.4 50.4 65.16	9 14 18.1	194.4 180 153.9		28.26 35.28 41.04	45	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82
	10	32.4 50.4 65.16	9 14 18.1	216 200 171		31.40 39.20 45.60	55	60.7 70 66.5	8.1 8 7.9	2.16 2.49 2.82

型號(hào)	級(jí)數(shù)	流量Q		總揚(yáng)程H(m)	轉(zhuǎn)速n(r/min)	功率N(Kw)		效率η(%)	吸程Hs(m)	必需汽蝕余量(NPSH)r(m)
		m3/h	l/s			軸功率	電機(jī)功率
100DL	2	72 100 126	20 27.8 35	43.4 40 34	1450	13.1 15.14 16.67	18.5	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	3	72 100 126	20 27.8 35	65.1 60 51		19.65 22.72 25.01	30	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	4	72 100 126	20 27.8 35	86.8 80 68		26.2 30.28 33.34	37	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	5	72 100 126	20 27.8 35	108.5 100 85		32.75 37.86 41.68	45	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	6	72 100 126	20 27.8 35	130.2 120 102		39.3 45.39 45.82	55	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	7	72 100 126	20 27.8 35	151.9 140 119		25.85 53.0 58.35	75	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	8	72 100 126	20 27.8 35	173.6 160 136		52.4 60.57 66.68	75	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	9	72 100 126	20 27.8 35	195.3 180 153		58.95 68.14 75.02	90	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40
	10	72 100 126	20 27.8 35	217 200 170		65.5 75.71 83.35	90	65 72 70	7.6 7.2 6.7	2.83 3.53 4.40

型號(hào)	級(jí)數(shù)	流量Q		總揚(yáng)程H(m)	轉(zhuǎn)速n(r/min)	功率N(Kw)		效率η(%)	必需汽蝕余量(NPSH)r(m)
		m3/h	l/s			軸功率	電機(jī)功率
150DL	2	120 160 200	33.3 44.4 55.6	53 50 44	1450	24.1 28.7 32.8	37	72 76 73	3.1 3.5 3.8
	3	120 160 200	33.3 44.4 55.6	79.5 75 66		36.1 43.0 49.2	55	72 76 73	3.1 3.5 3.8
	4	120 160 200	33.3 44.4 55.6	106 100 88		48.1 57.3 65.7	75	72 76 73	3.1 3.5 3.8
	5	120 160 200	33.3 44.4 55.6	133 125 110		60.1 71.7 82.1	90	72 76 73	3.1 3.5 3.8
	6	120 160 200	33.3 44.4 55.6	159 150 132		72.2 86.0 98.5	110	72 76 73	3.1 3.5 3.8
	7	120 160 200	33.3 44.4 55.6	186 175 154		84.2 100 115	132	72 76 73	3.1 3.5 3.8
	8	120 160 200	33.3 44.4 55.6	212 200 176		96.2 115 132	132	72 76 73	3.1 3.5 3.8
	9	120 160 200	33.3 44.4 55.6	239 225 198		108 129 148	160	72 76 73	3.1 3.5 3.8

Corrosion resistance of the main material of the pump (for reference)

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Media	concentration ????????????(%)	Polypropylene		concentration ????????????(%)	A B C
		25°C	50°C		20°C	60°C
Sulfuric acid	60	√		<30	√	Χ
Nitrate	25	√		20	√	Ο
Hydrochloric acid	<36	√		<38	√	√
Hydroxyfluoric acid	35	√		40	√	Χ
Acetate	<80	√		<20	√	Ο
Sodium hydroxide	100	√			√	√
potassium dichromate	25	√			√	√
Stinky water		Χ			Ο	Χ
Ethanol		√		<50	√	√
Acetone		√		10	Ο
Tetrachloroethane		Ο			Ο	Χ
Freon 22		√			Ο	Ο
bleaching solution	CL13%	√		CL12.5%	Ο	Ο
Plating solution		√			Ο	Χ
Photographic fluid		√			√	√

 

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Media	concentration ????????????(%)	Stainless steel		concentration ????????????(%)	Ceramic
		25°C	50°C		25°C	50°C
Sulfuric acid	<5	√	Χ		△	△
Nitrate	70	△	√		△	△
Hydrochloric acid		Χ			△	△
Hydroxyfluoric acid		Χ		0~100	Χ
Acetate	<20	√	√		△	△
Sodium hydroxide	70	√	√		Ο	Χ
potassium dichromate	40~60	△	△	10~20	△	△
Stinky water		Ο			△	△
Ethanol		△	√		△	△
Acetone		△	△		△
Tetrachloroethane	50	△	△		△	△
Freon 22		△			△	△
bleaching solution	CL12%	Χ			△	△
plating solution					△	△
Photographic fluid		△			△	△

Note: △ is excellent; √ is good; Ο is available, but has obvious corrosion; Χ severe corrosion, not applicable.


Physical and mechanical properties of PVDF

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Performance	unit	Press
density	g/cm3	1.75-1.79
比度	cm3/g	0.56-0.75
melting point range	0c	155-170
refractive index	n25D	1.42
Molding shrinkage rate	%	2-3
Stretching strong hair (yield)	Mpa	28-41
Stretching strong hair (breaking)	Mpa	31-52
Elongation (fracture)	%	100-400
Impact strength (no gap)	KJ/m	107-214
compressive strength	Mpa	55-69
hardness (Shore D)		70-80
Abrasion	mg/1000r	7.0-9.0
Limited Oxygen Index (l0 I)	%	44
burning rate		V-D
resistivity	u194	1.0x10 15
Dielectric number	10 31 CYCles	9.7

Polyvinylidene fluoride (PVDF) chemical resistance

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Chemical Medium	concentration ????????????(%)	Maximum operating temperature °C	Chemical Medium	concentration ????????????(%)	Maximum operating temperature °C	Chemical Medium	concentration ????????????(%)	Maximum operating temperature °C
hydrochloric acid	36	135	Hydrogen Hydroxide	<10	85	ethanol		135
sulfuric acid	<60	120	Hydrogen Hydroxide	50	50	etherether		50
sulfuric acid	80-93	95	Carbon ammonium oxide		110	Formaldehyde	37	50
sulfuric acid	90	65	Carbon calcium oxide		135	Acetone	10% aqueous solution	50
Nitrate	<50	50	carbonate	aqueous solution	135	肼	aqueous solution	95
phosphoric acid	<85	135	Sodium bicarbonate	aqueous solution	120	benzene		75
phosphoric acid	85	110	Ammonia water		110	aniline		50
acetic acid	10	110	saline		135	toluene		85
acetic acid	80	80	Sodium hydrogen phosphate	aqueous solution	120	phenol		50
acetic acid	100	50	calcium phosphate	aqueous solution	135	chlorobenzene		135
trichloroacetic acid	<10	95	calcium oxide	aqueous solution	135	naphthalene		95
trichloroacetic acid	50	50	potassium oxide	aqueous solution	135	chloromethane		135
oxalic acid		50	Ammonium Oxide	aqueous solution	135	chloroform		50
benzenesulfonic acid	aqueous solution	50	ferric oxide	aqueous solution	135	CTC		135
hydrofluoric acid	40-100	95	ferrous ferrous sulfate	aqueous solution	135	chloroethane		135
hydrofluoric acid	40	120	ammonium sulfate	aqueous solution	135	1.2 trichloroethane		135
hydrobromic acid	50	130	ammonium sulfate	aqueous solution	135	1.1.2 trichloroethane		65
Peroxyacid	10	95	Sodium nitrate	aqueous solution	135	tetrachloroethane		120
Peroxyacid	70	50	ammonium phosphate	aqueous solution	135	vinyl chloride		95
Nanochloric acid	6-15	95	urea	aqueous solution	120	Trichloroethylene		135
potassium chlorate		100	CO2		80	Dichloroethylene		110
chromic acid	<40	80	chlorine dioxide		75	natural gas		135
chromic acid	50	50	chlorine dioxide		65	fuel oil		135
High potassium sulphate		120	chlorine	element	95	Paraffin oil		120
hydrogen peroxide	<30	95	bromine	element	65
Sodium peroxide		95	Iodine	element	65

Fluorine and corrosion performance table (for reference only)

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		temperature, °C
media	concentration%	25	200	media	concentration%	Temperature, 200 °C
sulfuric acid	0-100	√	√	formic acid		√	√	√
fuming sulfuric acid		√	√	acetic acid (acetic acid)	0-ice	√	√	√
Nitrate	0-100	√	√	acetic acid		√	√	√
fuming sulfuric acid		√	√	propionic acid		√	√
hydrochloric acid		√	√	acrylic		√
phosphoric acid		√	√	acrylic anhydride		√	√	√(boiling point)
hydrofluoric acid		√	√	methacrylic acid		√	√	√(boiling point)
hydrobromic acid		√	√	butyric acid		√	√	√
Hydrioiodic acid		√	√	辛酸		√	√	√
hydrocyanic acid		√	√	lauric acid		√	√	√
nitrous acid		√	√	palmitic acid		√	√	√
nitrous acid		√	√	stearic acid		√	√	√
chloric acid		√	√	oleic acid		√	√	√
hypochlorous acid		√	√	linoleic acid		√	√	√
Perchloric acid		√	√	rosin acid		√	√	√
tetraphosphoric acid		√	√	fatty acid		√	√
carbonated		√	√	chloroacetic acid		√	√	√
chromic acid		√	√	lactic acid		√	√	√
silicic acid		√	√	oxalic acid (oxalic acid)		√	√	√
boric acid		√	√	fumaric acid		√	√	√
arsenic acid		√	√	citric acid		√	√	√
selenic acid		√	√	nicotinic acid		√	√	√
fluorosilicic acid		√	√
Fluoroborate		√	√
chlorosulfonate		√	√
王水		√	√
mixed acid		√	√

 

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media	concentration%	temperature, 200 °C
Sodium hydroxide		√
potassium hydroxide		√
ammonium hydroxide		√
Magnesium hydroxide		√
calcium hydroxide		√
Aluminum Hydroxide		√
Barium hydroxide		√
iron hydroxide		√
ferrous hydroxide		√
nickel salt		√
nickel sulfate		√
Nitrate nitrate		√
nickel chloride		√
Zinc salt		√
Zinc sulfate		√
Zinc nitrate		√
Zinc chloride		√