ZXL close coupled self priming centrifugal pump with electric motor

ZXL self priming centrifugal pump close coupled design

ZXL electric motor driven self priming water pump

ZXL Close-Coupled Self-Priming Centrifugal Pumps

Model NO. ZXL Close-Coupled Self-Priming Centrifugal Pumps

Pump material：Cast Iron, Stainless Steel

Inlet & Outlet Size：DN25-DN300

Flow Range: 3.2 - 600 m³/h

Head Range: 12 - 80 m

Motor Power: 1.1 - 110 kW

Self-Priming Lift : 5 m

Speed: 1450 r/min / 2900 r/min

Voltage: 220V / 380V / 415V / 440V

What is a ZXL Close-Coupled Self-Priming Centrifugal Pump?

The ZXL Series close-coupled self-priming pump manufactured by our factory is an energy-saving centrifugal pump developed based on advanced technical data and structural improvements. Featuring a compact direct-connection design, this high-performance self-priming water pump offers easy operation, smooth running, simple maintenance, high energy efficiency, and a long service life. As a reliable centrifugal pump, it requires no foot valve in the pipeline; this self-priming water pump only needs initial priming liquid inside the pump body before starting, significantly simplifying system piping.

Applications areas

Industrial & Municipal Applications:
Idealself-priming pump for municipal drainage, construction dewatering, fire protection, mining flush, and equipment cooling. This versatile centrifugal pump is also widely used in chemical processing, pharmaceuticals, dyestuffs, printing and dyeing, brewing, power plants, electroplating, and papermaking industries.
Agricultural & Irrigation:
Thisself-priming water pump can be equipped with rotary sprinklers to spray water into a fine mist, making it an excellent choice for farms, nurseries, orchards, and tea plantations.
Compatible Liquids:
As a self-priming pump, it is suitable for clean water, seawater, corrosive chemical fluids (acidic or alkaline), and general slurries (medium viscosity < 100 cP, solid content up to 30%).

Model Meaning

Close-Coupled Self-Priming Centrifugal Pump ZXL Series Model Designation and Nomenclature Chart | JPZX

Model	Inlet/Outlet Dia. (mm)	Flow Rate (m³/h)	Head (m)	Power (kW)	Speed (r/min)	Suction Lift (m)
25ZX(L)3.2-20	25/25	3.2	20	1.1-2	2900	5
25ZX(L)3.2-32	25/25	3.2	32	1.5-2	2900	5
32ZX(L)3.2-20	32/32	3.2	20	1.1-2	2900	5
32ZX(L)3.2-32	32/32	3.2	32	1.5-2	2900	5
32ZX(L)3.2-50	32/32	3.2	50	3-2	2900	5
40ZX(L)6.3-20	40/40	6.3	20	1.5-2	2900	5
40ZX(L)6.3-32	40/40	6.3	32	2.2-2	2900	5
40ZX(L)10-40	40/40	10	40	4-2	2900	5
40ZX(L)6.3-50	40/40	6.3	50	4-2	2900	5
50ZX(L)15-12	50/50	15	12	1.5-2	2900	5
50ZX(L)18-20	50/50	18	20	2.2-2	2900	5
50ZX(L)12.5-32	50/50	12.5	32	3-2	2900	5
50ZX(L)20-30	50/50	20	30	4-2	2900	5
50ZX(L)14-35	50/50	14	35	4-2	2900	5
50ZX(L)10-40	50/50	10	40	4-2	2900	5
50ZX(L)12.5-50	50/50	12.5	50	5.5-2	2900	5
50ZX(L)20-75	50/50	20	75	11-2	2900	5
65ZX(L)30-15	65/65	30	15	3-2	2900	5
65ZX(L)30-15	65/65	30	15	3-2	2900	5
65ZX(L)25-32	65/65	25	32	5.5-2	2900	5
65ZX(L)25-50	65/65	25	50	7.5-2	2900	5
65ZX(L)25-70	65/65	25	70	15-2	2900	5
80ZX(L)35-13	80/80	35	13	3-2	2900	5
80ZX(L)43-17	80/80	43	17	4-2	2900	5
80ZX(L)50-20	80/80	50	20	5.5-2	2900	5
80ZX(L)40-22	80/80	40	22	5.5-2	2900	5
80ZX(L)50-32	80/80	50	32	7.5-2	2900	5
80ZX(L)60-50	80/80	60	50	15-2	2900	5
80ZX(L)60-55	80/80	60	55	18.5-2	2900	5
80ZX(L)60-70	80/80	60	70	22-2	2900	5
100ZX(L)80-15	100/100	80	15	7.5-2	2900	5
100ZX(L)100-20	100/100	100	20	11-2	2900	5
100ZX(L)100-32	100/100	100	32	15-2	2900	5
100ZX(L)100-40	100/100	100	40	18.5-2	2900	5
100ZX(L)100-50	100/100	100	50	22-2	2900	5
100ZX(L)100-65	100/100	100	65	30-2	2900	5
100ZX(L)70-75	100/100	70	75	30-2	2900	5
150ZX(L)150-20	150/150	150	20	18.5-2	2900	5
150ZX(L)150-32	150/150	150	32	22-2	2900	5
150ZX(L)150-40	150/150	150	40	37-2	2900	5
150ZX(L)170-55	150/150	170	55	45-2	2900	5
150ZX(L)170-65	150/150	170	65	55-2	2900	5
150ZX(L)160-80	150/150	160	80	55-2	2900	5
150ZX(L)200-32	150/150	200	32	30-4	1450	5
150ZX(L)200-40	150/150	200	40	37-4	1450	5
200ZX(L)350-20	200/200	350	20	37-4	1450	5
200ZX(L)350-25	200/200	350	25	45-4	1450	5
200ZX(L)400-32	200/200	400	32	55-4	1450	5
200ZX(L)350-40	200/200	350	40	55-4	1450	5
200ZX(L)350-45	200/200	350	45	75-4	1450	5
200ZX(L)280-63	200/200	280	63	90-4	1450	5
250ZX(L)500-32	250/250	500	32	75-4	1450	5
250ZX(L)400-50	250/250	400	50	90-4	1450	5
300ZX(L)600-32	300/300	600	32	90-4	1450	5
300ZX(L)500-50	300/300	500	50	110-4	1450	5

Q1: What is the main difference between ZXL and ZX series pumps?

A: The ZXL series features a Close-Coupled design where the pump impeller is directly mounted to the motor shaft extensions or via a rigid coupling. Compared to the frame-mounted ZX series, ZXL saves up to 30% floor space, eliminates the need for field coupling alignment, and significantly reduces vibration and operating noise.

Q2: Does the ZXL close-coupled pump require precise shaft alignment during installation?

A: No. Thanks to the integrated close-coupled structure, the pump casing and motor flange are factory-pre-aligned with high concentricity precision. Your installation team only needs to bolt down the base and connect the inlet/outlet flanges, cutting installation labor time by over 50%.

Q3: What are the key performance specs and maximum self-priming capability of the ZXL pump?

A: According to our standard specifications:

Flow Range: 3.2 - 600 m³/h

Head Range: 12 - 80 m

Motor Power: 1.1 - 110 kW

Self-Priming Lift: 5 meters (For suction depths > 5 m, optional vacuum-assist units or priming tanks can be added).

Q4: What material and voltage configurations are supported for international projects?

A: We offer Cast Iron for general water supply and Stainless Steel (304/316/316L, as well as Duplex Stainless Steel 2205 and 2507) for corrosive chemicals. To meet worldwide electrical standards, we provide multi-voltage options including 220V / 240V / 380V / 415V / 440V / 660V, compatible with 50Hz and 60Hz variable frequency power supplies (VFD), with explosion-proof motors available upon request.

Q5: Is manual priming required before every startup for the ZXL pump?

A: No. Manual priming is required only for the first operation. The pump body features an internal liquid storage chamber and a non-return structure that retains sufficient fluid after shutdown, enabling reliable automatic self-priming for all subsequent starts.

Recommend Products

CONTACT JIUJIANG

Send A Message

Telephone

+86 18167392360

Mailbox

sales@jpzxpumps.com

Address

No.16 Linwu Road, Oubei Street, Yongjia, Wenzhou, Zhejiang, China

Sitemap

CONTENTS

PRODUCT CATEGORY

CONTACT

About Us

Solution

New & Blog

Self-Priming Centrifugal Pumps

Industrial Water Pumps

Diesel Engine Pumps

View All Products

Tell: +86 18167392360

Address: No.16 Linwu Road, Oubei Street, Yongjia, Wenzhou, Zhejiang, China

Email: sales@jpzxpumps.com

LEGAL POLICY