CYZ-A Self-Priming Centrifugal Oil Pumps

Model NO. CYZ-A Self-Priming Centrifugal Oil Pumps

Pump material: Cast Iron, Stainless Steel
（Standardly equipped with a copper impeller）

Inlet & Outlet Size: DN25 - DN300

Flow Range: 3.2 - 500 m³/h

Head Range: 12 - 80 m

Motor Power: 0.75 - 110 kW

Suction Lift：5.0-6.5m

Priming Time: 1.2 - 2 mins for 5m lift

Speed: 1450 r/min, 2900 r/min

Voltage: 220V / 380V / 415V / 440V / 460V

What is CYZ-A Self-Priming Centrifugal Pump？

The CYZ-A series is a high-performance self-priming centrifugal pump engineered for petroleum products. Widely recognized among industrial oil pumps, it serves as an efficient diesel transfer pump and reliable gasoline transfer pump for both land-based oil storage and marine applications. It features excellent self-priming capability, simple operation, and stable performance, making it a highly cost-effective choice compared to conventional oil pumps.

Key Features:

Self-Priming: Quick and easy startup without needing a foot valve.
Dual-Use Compatibility: Serves as a versatile diesel transfer pumpandgasoline transfer pump in oil depots, tank trucks, and marine vessels.
Media Versatility: Standard configuration handles light petroleum; can be upgraded with anti-corrosion mechanical seals for chemical fluids.

Specifications & Working Limits:

Applicable Media: Functions as a specialized gasoline transfer pump and heavy-duty diesel transfer pump for gasoline, kerosene, diesel, aviation fuel, seawater, and clean water.
Medium Temperature Range: -20°C to 80°C (Standard).
Optional Upgrade: Corrosion-resistant mechanical seal available for chemical liquids.

Main Applications:

Oil Industry:Essentialoil pumps for land oil depots, tank trucks, and fuel transfer.
Marine Use: Marine cargo oil pumps, bilge pumps, ballast pumps, fire pumps, and cooling water circulation for machinery.

Model Meaning

Self-Priming Oil Pump CYZ-A Series Model Designation and Nomenclature Chart | JPZX

Model	Flow Rate		Head(m)	Suction Lift(m)	Speed(r/min)	Self-Priming Time (min/5m)	Power(KW)		Pump Dia.(mm)		Weight(kg)
Model	(m³/h)	(L/S)	Head(m)	Suction Lift(m)	Speed(r/min)	Self-Priming Time (min/5m)	Shaft Power	Motor Power	Inlet	Outlet	Weight(kg)
25CYZ-A-20	3.2	0.9	20	5	2900	1.9	0.46	0.75	25	25	72
25CYZ-A-32	3.2	0.9	32	5	2900	1.8	1.8	1.1	25	25	80
40CYZ-A-20	6.3	1.8	20	5	2900	1.9	0.87	1.1	40	32	85
40CYZ-A-40	10	2.8	40	5	2900	1.5	2.7	4	50	40	140
50CYZ-A-12	15	4.2	12	5	2900	2.4	1.1	1.5	50	50	90
50CYZ-A-20	18	5	20	5	2900	1.9	1.8	2.2	50	50	98
50CYZ-A-30	20	5.6	30	5	2900	1.5	2.6	3	50	50	140
50CYZ-A-35	14	3.9	35	5	2900	1.5	2.7	4	50	50	145
50CYZ-A-40	10	2.8	40	5	2900	1.5	2.7	4	50	50	145
50CYZ-A-50	12.5	3.5	50	5	2900	1.4	4.3	5.5	50	50	160
50CYZ-A-60	15	4.2	60	5	2900	1.3	6.2	7.5	50	50	190
50CYZ-A-75	20	5.6	75	5	2900	1.3	9.8	11	50	50	240
65CYZ-A-15	30	8.3	15	5	2900	2	1.9	3	65	50	100
65CYZ-A-32	25	6.9	32	5	2900	1.5	4.4	5.5	65	50	165
80CYZ-A-13	35	9.7	13	5	2900	3.4	1.9	3	80	65	107
80CYZ-A-17	43	12	17	5	2900	1.8	3.1	4	80	65	156
80CYZ-A-22	40	11.1	22	5	2900	1.9	4.4	5.5	80	65	169
80CYZ-A-25	50	13.9	25	5	2900	1.5	5.2	7.5	80	80	177
80CYZ-A-32	50	13.9	25	6	2900	1.5	6.8	7.5	80	80	180
80CYZ-A-55	60	16.7	55	6	2900	1.5	15	18.5	80	80	310
80CYZ-A-70	60	16.7	70	6	2900	1.2	20.1	22	80	80	333
100CYZ-A-20	100	27.8	20	6	2900	1.8	7.8	11	100	80	258
100CYZ-A-40	100	27.8	40	6	2900	1.8	16.3	22	100	100	455
100CYZ-A-40A	100	27.8	40	6	1450	1.5	18.5	22	100	80	520
100CYZ-A-65	100	27.8	65	6	2900	1.8	27.7	30	100	100	620
100CYZ-A-75	100	19.4	75	6	2900	1.8	24.2	30	100	100	639
150CYZ-A-55	170	47.2	55	5	2900	1.8	39.2	45	150	100	830
150CYZ-A-65	170	47.2	65	5	2900	1.3	46.3	55	150	100	957
150CYZ-A-80	160	44.4	80	5	2900	1.2	53.6	55	150	100	986
200CYZ-A-63	280	77.8	63	5	1450	1.5	73.9	90	200	150	1338
250CYZ-A-50	400	111.1	50	5	1450	2	80	90	250	200	1486
300CYZ-A-50	500	138.9	50	5	1450	2	97.3	110	300	250	1728

Q1: Why is the CYZ-A oil pump standardly equipped with a copper impeller?

A: The CYZ-A pump is specially designed for flammable and explosive petroleum products (such as gasoline, kerosene, diesel, and aviation fuel). The copper impeller (bronze material) prevents friction sparks during high-speed rotation or physical contact, compliant with strict explosion-proof safety requirements for oil depots and tankers.

Q2: What is the exact suction performance and priming speed of the CYZ-A series?

A: The CYZ-A pump provides a rated suction lift of 5.0 meters (can be equipped with a vacuum-assisted siphon tank to increase suction head). Under standard operating conditions, it achieves rapid self-priming in just 5 minutes for a 5m lift, minimizing total cycle times for fuel unloading and transfer operations.

Q3: What fluids and working temperature range can the CYZ-A pump handle?

A: It is suitable for conveying gasoline, diesel, kerosene, aviation fuel, light crude oil, and clean non-abrasive chemical solvents. The standard operating fluid temperature ranges from -20 ℃ to +80 ℃ (high-temperature seals can be customized upon request).

Q4: Does the CYZ-A pump require manual priming before every oil transfer?

A: No. You only need to fill the pump casing with the liquid medium once before the initial startup. The internal oil-gas separation chamber and check valve retain fluid inside the casing after shutdown, allowing automatic, safe self-priming for every subsequent run.

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