China DS-440 Triplex Plunger Pump System For Reverse Osmosis Supplier

Product Details

Specifications:

Design Standard	API-674, Third Edition
Conﬁguration	Horizontal Triplex Plunger
Number of Plungers	3
Continuous Duty	350 BHP
Intermittent Duty	440 BHP
Stroke Length	7.0 Inches / 177.8 mm
Frame Load Rating	25000 lbs / 11340 kg
Pump Weight (Average	5500 lbs / 2494.8 kg
Intermittent Duty Speed Rating	300 RPM
Continuous Duty Speed Rating	240 RPM
Minimum Speed	100 RPM
Mechanical Eﬃciency	90%
Lubrication System	Splash, Gravity Return
Lubrication System (Optional)	Pressurized
Crankcase Oil Capacity	14.25 Gallons / 53.94 L
Lube Oil Type	SAE 30
Fluid Temperature Range	-20 to 350 °F /-28~176°C
Valve Type	Disc Valve / Wear-resistant Valve

Performance Data (Metric):

Pump Model	Plunger Diameter (mm)	Displacement (L/REV)	Maximum Pressure (MPa)	Pump Capacity (LPM)@Input Speed (RPM)
Pump Model	Plunger Diameter (mm)	Displacement (L/REV)	Maximum Pressure (MPa)	100	150	200	240	250	300
DS44012	38	0.6079	69	60.6	90.8	121.1	147.6	151.4	181.7
DS44014	44	0.8278	69	83.3	124.9	166.5	200.6	208.2	249.8
DS44016	51	1.0810	55	109.8	162.8	215.7	261.2	268.7	325.5
DS44018	57	1.3683	43	136.3	204.4	272.5	329.3	340.7	412.6
DS44020	64	1.6889	35	170.3	253.6	336.9	405.0	423.9	507.2
DS44022	70	2.0439	29	204.4	306.6	408.8	492.1	511.0	613.2
DS44024	76	2.4322	24	242.2	363.4	488.3	582.9	609.4	730.5
DS44026	83	2.8546	21	283.9	427.7	571.5	685.1	715.4	855.4
DS44028	89	3.3104	18	333.1	495.8	662.4	794.9	828.9	991.7
DS44030	95	3.8005	16	378.5	571.5	760.8	912.2	950.0	1139.3
DS44032	102	4.3240	14	431.5	647.2	866.8	1037.1	1082.5	1298.3
DS44034	108	4.8815	12	488.3	734.3	976.5	1173.4	1218.8	1464.8
DS44036	114	5.4724	11	548.8	821.3	1093.9	1313.4	1366.4	1642.7
DS44038	121	6.0976	10	609.4	916.0	1218.8	1464.8	1525.4	1828.2
DS44040	127	6.6540	9	666.2	999.2	1332.3	1597.3	1665.4	1994.7
DS44042	133	7.4489	8	745.6	1116.6	1491.3	1786.5	1862.2	2233.2
DS44044	140	8.1748	7	817.6	1226.3	1635.1	1960.6	2043.9	2452.7
DS44046	146	8.9352	7	893.3	1339.9	1786.5	2146.1	2233.2	2679.8
DS44048	152	9.7290	6	972.7	1461.0	1945.5	2335.3	2433.8	2918.2
DS44050	159	10.5567	6	1056.0	1582.1	2112.0	2532.2	2638.1	3168.0

Performance Data:

Pump Model	Plunger Diameter (in)	Displacement (GAL/REV)	Maximum Pressure (PSI)	Pump Capacity (GPM)@Input Speed (RPM)
Pump Model	Plunger Diameter (in)	Displacement (GAL/REV)	Maximum Pressure (PSI)	100	150	200	240	250	300
DS44012	1.5	0.1606	10000	16	24	32	39	40	48
DS44014	1.75	0.2187	10000	22	33	44	53	55	66
DS44016	2	0.2856	7960	29	43	57	69	71	86
DS44018	2.25	0.3615	6300	36	54	72	87	90	109
DS44020	2.5	0.4462	5100	45	67	89	107	112	134
DS44022	2.75	0.54	4200	54	81	108	130	135	162
DS44024	3	0.6426	3540	64	96	129	154	161	193
DS44026	3.25	0.7542	3015	75	113	151	181	189	226
DS44028	3.5	0.8746	2600	88	131	175	210	219	262
DS44030	3.75	1.0041	2260	100	151	201	241	251	301
DS44032	4	1.1424	1990	114	171	229	274	286	343
DS44034	4.25	1.2897	1760	129	194	258	310	322	387
DS44036	4.5	1.4458	1570	145	217	289	347	361	434
DS44038	4.75	1.611	1400	161	242	322	387	403	483
DS44040	5	1.758	1275	176	264	352	422	440	527
DS44042	5.25	1.968	1155	197	295	394	472	492	590
DS44044	5.5	2.1598	1050	216	324	432	518	540	648
DS44046	5.75	2.3607	960	236	354	472	567	590	708
DS44048	6	2.5704	880	257	386	514	617	643	771
DS44050	6.25	2.7891	815	279	418	558	669	697	837

Standard connection sizes:

Pump Model	Suction (in)	Discharge(in)
DS44012-DS44020	4.0	2.0
DS44022-DS44032	6.0	3.0
DS44034-DS44042	8.0	4.0
DS44044-DS44050	10.0	4.0

Fluid cylinder materials: *NPT connection available

Fluid cylinder materials	Cast
Carbon Steel	N/A
Fluid cylinder materials
304 / 316L / 17-4PH / 2205 / 2507 Stainless Steel

Engineering dimensional outline

FAQ

Are reverse osmosis pumps energy-intensive?

Modern reverse osmosis pumps commonly incorporate energy-efficient designs, reducing power consumption through optimized internal structures and enhanced efficiency. Compared to traditional equipment, their energy consumption ratio has significantly improved, though specific models and operating conditions still require individual assessment.

In which specialized industries are reverse osmosis pumps applicable?

Beyond common residential and commercial water purification applications, reverse osmosis pumps are extensively used in industries with stringent water quality requirements such as pharmaceutical manufacturing, food processing, and electronics. They are also employed in large-scale projects like seawater desalination and wastewater recycling treatment.

How should one select a reverse osmosis pump suited to their needs?

Selection requires comprehensive consideration of water source conditions, required flow rate, pressure requirements, and budget constraints. Additionally, prioritize reputable brands and consult technical experts for tailored recommendations.

Are reverse osmosis pumps susceptible to temperature fluctuations?

Pump performance may fluctuate with temperature changes, particularly in extreme cold or heat. Therefore, select temperature-adaptive models and implement necessary protective measures when operating under special conditions.