4sdm20 Deep Well High Pressure Drowned Borehole Water Pump

• Customization: Available
• Max.Head: >150m
• Max.Capacity: >400 L/min
• Model NO.: 4SDM20
• Driving Type: Motor
• Material: Stainless Steel
• Structure: Single-stage Pump
• Assembly: Booster Pump
• Power: Electric
• Start Up: Electric Pump
• Type: Jet Pump
• Application: Submersible Pump
• Industry: Household Pump
• Media: Clean Water
• Performance: No Leakage Pump
• Theory: Vacuum Pump
• Impeller: POM
• Outlet: Bronze or Iron
• Transport Package: Carton
• Specification: 100% copper wire
• Trademark: Edwin
• Origin: China

Product Description

Application
For water supply from wells or reservoirs
For domestic use, for civil and industrial applications
For garden use and irrigation

Operating conditions
Maximum fluid temperature up to +35°C
Maximum sand content: 0.25%
Minimum well diameter: 3"

Motor and Pump
Rewindable motor
Single-phase: 220-240V/50Hz
Three-phase: 380-415V/50Hz
Equip with start control box or digital auto-control box
Pumps are designed by casing stressed
Curve tolerance according to ISO 9906

Options on request
Special mechanical seal
Other voltages or frequency 60Hz
Single phase motor with built-in capacitor

Warranty: 2 years
(according to our general sales conditions)

 

Components	Material
Pump external casing	AISI 304 SS
Delivery casing	1.Cast-Cu ASTM C85500 2.AISI 304 SS
Suction lantern	1.Cast-Cu ASTM C85500 2.AISI 304 SS
Diffuser	Plastic.PC
Impeller	Plastic.POM
Shaft	AISI 304 SS
Shaft coupling	AISI 304 SS
Wear ring	AISI 304 SS
Motor external casing	AISI 304 SS
Topchock	1.Cast-Cu ASTM C85500 2.AISI 420 SS
	3.Cast-iron ASTM NO.30
Bottom support	AISI 304 SS
Mechanical seal	Special seal for deep well(Graphite-Ceramic)
Shaft	AISI 304 SS-ASTM 5140
Seal lubricant oil	Oil for food machinery and pharmaceutic use.

 

Performance curves

Product Parameters

Model (50Hz)		Power		Deliver
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	3	6	9	12	15	18	21	24	27
				Q(l/min)	0	50	100	150	200	250	300	350	400	450
4SDM20/3	4SDM20/3	0.92	1.25	H(m)	19	18	17	15	13	12	10	7	7	4
4SDM20/4	4SDM20/4	1.1	1.5		25	24	23	20	18	16	12	9	9	5
4SDM20/5	4SDM20/5	1.3	1.75		31	40	29	25	22	20	15	11	11	6
4SDM20/6	4SDM20/6	1.5	2		38	37	35	31	27	24	18	13	13	8
4SDM20/7	4SDM20/7	1.8	2.5		44	44	40	36	31	28	21	15	15	3
4SDM20/8	4SDM20/8	2.2	3		50	49	46	41	35	32	23	17	17	10
4SDM20/9	4SDM20/9	2.6	3.5		56	55	52	46	40	36	26	20	20	12
4SDM20/11	4SDM20/11	3	4		69	67	63	46	49	44	32	24	24	14
-	4SDM20/13	3.7	5		81	79	75	66	57	52	38	28	28	17
-	4SDM20/15	4	5.5		94	91	86	76	66	60	44	33	33	19
-	4SDM20/18	5.5	7.5		113	110	104	92	80	72	53	39	39	23
-	4SDM20/21	7.5	10		131	128	121	107	93	84	62	46	46	27

Q: What is your MOQ of this item?
 A: 100 PCS of each model
Q: What is the delivery time?
A:The sample can be sent to customer within 10-15 days.
The batch order can be shipped within 35 days after receiving deposit payment
Q:Where is your loading port?
A: Ningbo port, China
Q: Is it all right to make customer's own brand name?
 A: Can make OEM if order quantity reached 1000pcs totally
Q: What is your payment term?
A: 30% in advance, 70% balance the B/L or T/T
Q: What is the warranty of the product?
A: We offer 1 year product life guarantee and a generous 1 year warranty on all purchases that begin with the BL
Q: Packing method?
A: Craft box or color box if quantity reaches to 1000pcs
Q: What information shall I provide you when I need your offer?
A: Normally, we need customer to supply the pump flow, total head, pump material (copper wire or aluminum wire? Stator length), voltage, frequency, etc, so we can quote exactly what customer need
Q: Can you accept customized products?
A: Yes we accept your specific order if you could provide us with your requirements.
Q: Will you supply any spare parts with the pumps?
A: Yes, we can supply for example: tank, flexible hose, pressure switch, pressure gauge, brass connector, cable, etc.
Q: Is there any leakage problem of this pump?
A: Some factory may have such problem, but we solved it very well, by using good material of pump casing, O-ring, and they fit each other perfect. We use 8 screw on the pump head while others may use only 6 screw to save cost. We test 100% and long time for the pump head part, to make sure there is no leakage problem.
Q: How many pcs can load into one 20ft container
A: 1200pcs
Q: Do you supply sample?
A: We can supply sample, but customer have to pay for the sample fee
Q: What is the delivery time?
A:30-45 after we receiving your deposit.
Q:Where is your loading port?
A: Ningbo port, China
Q: Where did you export to?
A: We export to more than 50 countries, for example, Israel, South Africa, Germany, Poland, Spain, Vietnam, Malaysia, Russia, Thailand, Mexico, Brazil, Chile, etc.
Q: Is it all right to make customer's own brand name?
A: Can make OEM if order quantity reached 1000pcs totally
Q: What is the warranty of the product?
A: 1 year
Q: Packing method?
A: Craft box
Q: Can I get any discount if order EDWIN PUMP brand?
A: At the moment, customer can get lower offer if they purchase EDWIN PUMP brand but still get same good quality pumps as always.
Q: Can I order some pressure tank, flexible hose, 5-way connector, pressure gauge, pressure controller and assemble with the pump?
A: Yes, many customer purchase by this way, and we can make very good job to have this booster system to be assembled without any problem.
Q: Can the pump be made by customized voltage and frequency
A: Yes, 220-240V, 110V, 50Hz, 60Hz, we can make according to customer's need