High Efficiency Deep Well Submersible Borehole Well Pump Stairs Type

• Max.Head: 80-110m
• Max.Capacity: 100-200 L/min
• Driving Type: Motor
• Material: Stainless Steel
• Structure: Multistage Pump
• Assembly: Pipeline Pump
• Model NO.: 4ST8-17
• Power: Electric
• Start Up: Electric Pump
• Type: Oil-Filled or Fully Enlosed Pump
• Application: Submersible Pump
• Industry: Agriculture
• Media: Sea Water Pump
• Performance: No Leakage Pump
• Theory: Centrifugal Pump
• Suitable Well Size: 4 Inches: Casing Material: AISI 304ss
• out/Inlet&Oil Chamber:AISI 304 Ss: Shaft: AISI 304ss and Carbon Steel Connected
• Diffuser&Impeller: AISI 304 Ss& POM.: Bearing: C&U/ NSK
• Delivery: 322m: Capacity:250L/Min
• Impeller: Nylr
• Diffuser: Engineering Plastic+Ss
• Shaft: AISI316
• Bearing: C&U
• Transport Package: Cylinder Carton Package
• Specification: CE SGS ISO9906 NEMA
• Trademark: OEM/ODM/KATREENI
• Origin: China
• HS Code: 8413709190
• Production Capacity: 250000 PCS/Year

Product Description

Product Description

High Efficiency deep well Submersible borehole well Water Pump
(4ST8) Stairs Type

Opertating  Conditions
Minimum well diameter: 4 inches

Maximum fluid temperature: 35 ^oC
Maximum sand content: 0.25%
Maximum immersion: 80m
Impeller: Nylr
Diffuser: Engineering plastic+ss cover
Cover: AISI304/ Steel

Specifications
Rewindable motor / fully enclosed shielding motor
1 Phase: 220V-240V/50Hz
3 Phase: 380V-415V/50Hz
Dimension and curve according to NEMA Standard
Curve Tolerance accord with ISO9906

Options on Requests
Special material components
Start con trol box or automatic digtal control box
50 or 60Hz
Single phase motor with built-in capacitor

Application
Water supply
Sprinkler irrigation
Pressure boosting
Fire-fighting

 

Component Materials & Picutres

 

Component  Materials

Components	Material
Pump external casing	AISI 201 SS                                                                   AISI 304 SS
Outlet	Cast-Cu ASTMC85500                                                  AISI 304 SS
Connection	Cast-Cu ASTMC85500                                                  AISI 304 SS
Diffuser	Plastic.PC/PPO
Impeller	Plastic.PC/PPO
Pump shaft	1Cr13                                                                            AISI 304 SS
Shaft coupling	1Cr13                                                                            AISI 304 SS
Wear ring	AISI 304 SS&Ceramic
Motor external casing	AISI 304 SS
Top chock	Cast-Cu ASTMC85500                                                Cast-Iron ASTM No.30
Bottom support	AISI 304 SS
Mechanical seal	Graphite-Ceramic/TC                                                   Graphite-Silicon carbide
Motor shaft	AISI 303 SS-ASTM 1045/5140
Bearing	C&U                                                                              Others
Seal lubricant oil	Oil for food machinery and pharmaceutic use.

Component  Pictures

Performance Data & Curve

Perfomance  Data

MODEL	50Hz	POWER		DELIVERY                n ≈2850 r/min
220V/240V	380V/415V	KW	HP	Q m^3/h    l/min	0	0.9	1.2	1.5	1.8	2.1	2.4	2.7	3.6
					0	15	20	25	30	35	40	45	60
4STM2-5	4ST2-5	0.37	0.5	H(m)/ outlet(inch) 1 ^1/4''	34	32	31	29	27	25	23	19	16
4STM2-7	4ST2-7	0.37	0.5		46	43	42	39	35	33	29	26	22
4STM2-10	4ST2-10	0.55	0.75		67	64	61	58	54	49	43	36	28
4STM2-14	4ST2-14	0.75	1		92	86	83	79	74	67	60	52	42
4STM2-20	4ST2-20	1.1	1.5		139	131	127	120	111	101	90	75	60
4STM2-28	4ST2-28	1.5	2		185	175	174	172	170	160	145	115	74
4STM2-40	4ST2-40	2.2	3		260	255	246	240	235	220	210	175	110

 

MODEL	50Hz	POWER		DELIVERY                n ≈2850 r/min
220V/240V	380V/415V	KW	HP	Q m^3/h    l/min	0	1.5	1.8	2.1	2.4	2.7	3.0	3.6	4.2	4.8	5.4	6.0
					0	25	30	35	40	45	50	60	70	80	90	100
4STM4-5	4ST4-5	0.37	0.5	H(m)/ outlet(inch) 1 ^1/4''	31	27	26	25	24	23	22	19	16	11	6	1
4STM4-7	4ST4-7	0.55	0.75		44	41	40	39	37	36	34	31	26	20	13	5
4STM4-9	4ST4-9	0.75	1		57	53	52	50	49	47	45	41	35	26	18	8
4STM4-14	4ST4-14	1.1	1.5		91	85	84	81	79	77	74	66	56	45	31	18
4STM4-18	4ST4-18	1.5	2		118	111	109	106	103	100	96	86	73	58	40	23
4STM4-27	4ST4-27	2.2	3		173	162	159	155	150	145	139	125	107	85	59	33
4STM4-35	4ST4-35	3	4		226	210	206	201	195	189	182	164	143	117	83	44
/	4ST4-44	3.7	5		280	259	253	247	239	231	221	199	171	138	97	50
/	4ST4-48	4	5.5		307	287	281	274	265	256	246	223	195	160	118	71

 

MODEL	50Hz	POWER		DELIVERY                n ≈2850 r/min
220V/240V	380V/415V	KW	HP	Q m^3/h    l/min	0	4.8	5.4	6	7.2	8.4	9.6	10.8	13.2
					0	80	90	100	120	140	160	180	220
4STM8-4	4ST8-4	0.75	1	H(m)/ outlet(inch) 2''	22	19	18	17	16	14	12	8	5
4STM8-6	4ST8-6	1.1	1.5		34	31	30	29	27	24	20	15	10
4STM8-8	4ST8-8	1.5	2		58	33	41	40	37	33	27	21	14
4STM8-13	4ST8-13	2.2	3		78	71	69	67	62	55	46	36	26
4STM8-17	4ST8-11	3	4		104	92	92	90	83	75	66	54	42
/	4ST8-21	3.7	5		128	113	110	107	99	89	78	64	48
/	4ST8-23	4	5.5		144	131	127	123	114	104	91	75	56
/	4ST8-32	5.5	7.5		198	178	174	168	156	139	121	101	76

  

MODEL	50Hz	POWER		DELIVERY                n ≈2850 r/min
220V/240V	380V/415V	KW	HP	Q m^3/h    l/min	0	6	7.2	8.4	9.6	10.8	12	13.2	14.4	16.8
					0	100	120	140	160	180	200	220	240	280
4STM12-7	4ST12-7	1.5	2	H(m)/ outlet(inch) 2''	41	33	32	29	27	24	21	18	14	13
4STM12-10	4ST12-10	2.2	3		60	50	48	44	40	37	32	28	22	16
4STM12-14	4ST12-14	3	4		85	72	68	63	58	52	45	39	31	24
/	4ST12-17	3.7	5		103	86	82	76	70	63	55	47	38	28
/	4ST12-19	4	5.5		116	98	93	87	85	72	64	54	44	33
/	4ST12-26	5.5	7.5		159	132	125	116	107	96	83	71	57	44

 

MODEL	50Hz	POWER		DELIVERY                n ≈2850 r/min
220V/240V	380V/415V	KW	HP	Q m^3/h    l/min	0	8.4	9.6	10.8	12	13.2	14.4	15.6	16.8	18	19.2	20.4	21.6	22.8	24
					0	140	160	180	200	220	240	260	280	300	320	340	360	380	400
4STM16-8	4ST16-8	2.2	3	H(m)/ outlet(inch) 2''	45	36	35	33	31	29	27	25	22	20	17	15	12	9	6
4STM16-11	4ST16-11	3	4		64	52	50	47	43	39	39	36	33	30	27	24	20	17	13
/	4ST16-13	3.7	5		76	62	59	56	53	47	47	44	40	37	33	29	25	21	17
/	4ST16-15	4	5.5		90	73	70	67	63	59	56	52	48	44	40	36	31	36	22
/	4ST16-20	5.5	7.5		119	96	92	87	83	78	73	69	63	58	53	47	41	35	29

 

MODEL	POWER		DELIVERY                n ≈2850 r/min
50Hz	KW	HP	Q m^3/h    l/min	0	8.4	9.6	10.8	12	13.2	14.4	15.6	16.8	18	19.2	20.4	21.6	22.8	24
				0	140	160	180	200	220	240	260	280	300	320	340	360	380	400
R95-ST18-8	2.2	3	H(m)/ outlet(inch) 2''	45	36	35	33	31	29	27	25	22	20	17	15	12	9	6
R95-ST18-11	3	4		64	52	50	47	43	41	39	36	33	30	27	24	20	17	13
R95-ST18-13	3.7	5		76	62	59	56	53	51	47	44	40	37	33	29	25	21	17
R95-ST18-15	4	5.5		90	73	70	67	63	59	56	52	48	44	40	36	31	36	22

 Performance  Curves

 

 

Production Corner

Production of this serie

Packaging & Shipping

Optional  Packaging

 Transport  Line

Company Profile

 Introduction

KATREENI has been operating in the water pump industry for years. It is a company that is committed to study, develop, manufacture and integrate  and industrialize the superior of various manufacturers.  
We offer to customers a big and specific range of submersible pumps for a large variety of uses: domestic and civil applications for deep water level, agricultural irrigation for big flow and heavy sand demand, industrial fields for chemical rast request, waste water and sewage applications driven by AC electricity and DC solar energy. We are one of earliest and most professional in building solar pumping systems and household solar system for customers. 

We devote to provide people the best quality and the best cost-effective water pumps and water solutions. We have professional engineering and strict QC team. We have rich experiences in different markets and professional knowleges of pumps and environment. All these gurantees our promises with our customers.
Our company has the purpose to contribute to the transformation from "Made in China" to " Intelligence of China". To satisfy the needs of customers who choose us and trust us, we have been and will be keeping on improving.

Certifications

 

   Exhibition 

 

 

Workshop  Corner

FAQ

FAQ

1. Q: What is your warranty?

A: 12-18 months' warrantv, depending on product and market

2. Q: What is your MOQ?
A: Sample order is acceptable.

3.Q: What's your payment terms?
A: T/T, L/C, D/P...

4.Q: What's the delivery time?
A: 10-30 days after receiving deposit payment.

5.Q: Can you do OEM brand?
A: Yes, we welcome OEM order.

6.Q:Can you accept customized products?
A: Yes, we accept special requirement.

7.Q:How about your service?
A: We have pre-sale service, in-sale service and after-sale service, Our slogan is steady quality and continuous service.