China DW-400 Quintuplex Plunger Pump Equipment For Chemical Injection Supplier

Specifications:

Design Standard	API-674, Third Edition
Conﬁguration	Horizontal quintuple Plunger
Number of Plungers	5
Continuous Duty	422 BHP
Intermittent Duty	500 BHP
Stroke Length	3.8 Inches / 95 mm
Frame Load Rating	21,186 lbs / 9630 kg
Pump Weight (Average)	5,825 lbs / 2648 kg
Intermittent Duty Speed Rating	400 RPM
Continuous Duty Speed Rating	350 RPM
Minimum Speed	100 RPM
Mechanical Eﬃciency	90%
Lubrication System	Splash, Gravity Return
Lubrication System (Optional)	Pressurized
Crankcase Oil Capacity	38 Gallons / 143.83 L
Lube Oil Type	SAE30
Fluid Temperature Range	-20~350°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	200	300	330	350	400
DW40001	45	0.758	50	76	152	227	250	265	303
DW40002	50	0.928	41	95	190	284	306	325	371
DW40003	55	1.127	34	114	227	341	371	394	451
DW40004	60	1.34	28	133	265	397	443	469	538
DW40005	65	1.5	25	160	314	473	519	553	629
DW40006	70	1.82	21	182	352	549	602	640	731

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	200	300	330	350	400
DW40001	1.8	0.2	7250	20	40	60	66	70	80
DW40002	2	0.245	5920	25	50	75	81	86	98
DW40003	2.2	0.2975	4880	30	60	90	98	104	119
DW40004	2.4	0.355	4090	35	70	105	117	124	142
DW40005	2.6	0.415	3490	42	83	125	137	146	166
DW40006	2.8	0.4825	3000	48	93	145	159	169	193

Standard connection sizes:

Fluid cylinder materials:

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

*Special materials are available upon request

Features

Utilizes advanced drive technology to ensure smooth operation and low noise levels, enhancing workplace comfort.
Equipped with an intelligent control system for automated operation, reducing manual intervention and improving precision.
Key components manufactured from high-quality materials to enhance equipment durability and corrosion resistance.
Modular design facilitates quick replacement and maintenance, minimizing downtime.
Features high energy conversion efficiency to reduce power consumption, meeting green and eco-friendly requirements.

Engineering dimensional outline

Application

In the oil and gas industry, chemical injection pumps are widely used for pipeline maintenance and oilfield development. By injecting chemicals such as corrosion inhibitors and scale inhibitors, they effectively extend equipment lifespan and ensure safe transportation.
In chemical production, these pumps deliver various reaction reagents with precision, meeting complex process requirements for high accuracy and stability while handling highly corrosive media.
The water treatment industry utilizes chemical injection pumps to add disinfectants, flocculants, and other chemicals, achieving water purification and pollution control to provide reliable support for environmental protection projects.
In pharmaceutical and food processing sectors, these pumps ensure production processes comply with stringent sanitary standards and process requirements through their sanitary-grade design and precise flow control capabilities.