Double Suction Pump Flow396 414 384 366 Head 13.5 11.8 10.5 9.2

• Customization: Available
• After-sales Service: Online
• Warranty: 1 Years
• Model NO.: ES
• Max.Head: >150m
• Max.Capacity: 300-400 L/min
• Driving Type: Motor
• Material: Stainless Steel
• Structure: Single-stage Pump
• Assembly: Liquid Pumps
• Power: Electric
• Start Up: Electric Pump
• Type: Positive-Displacement Pump
• Application: Submersible Pump, Clarified Water Pump, Sewage Pump, Slurry Pump, Oil Transfer Pump, Chemical Pump
• Industry: Air Conditioning Pump
• Media: Sea Water Pump
• Performance: Explosion-Proof Pumps
• Theory: Centrifugal Pump
• Transport Package: Wood Case
• Trademark: BLOSSOM
• Origin: China
• Production Capacity: 300set/Year

Product Description

 

Product Description

Eco-friendly
The traditional grease-lubricated bearings (including both rolling contact bearings and sliding contact bearings) are replaced with self-lubricating sliding contact bearings, eliminating the pollution hazard to both the transmission medium and the site environment.
 
Energy-saving

Lubricant is no longer needed
Less material used:

1. Traditional bearing body removed
2. Shorter pump shaft - reduce one mechanical seal

Increased efficiency:

1. Hydraulic model improved and optimised
2. Changes in structure and lubrication methods improve efficiency

Maintenance-free and low operation cost

1. Maintenance-free bearing eliminates manual inspection
2. The non-driving end seal adopts static seal technique,eliminating one mechanical seal

Longer bearing life

The service life of traditional ball bearings is affected by the operating conditions. The general design life is about 2-5 years. With this product, the bearing service life can reach 5-10 years.

Safer, smoother, and more reliable operation
Carefully designed to reduce vibration and noise.
The non-driving end adopts static sealing, which reduces one point of failure.
The bearing cage of the traditional double-suction pump is removed, the length of the pump shaft is shortened, improving the operational stability of the pump.
Diaphragm coupling for the full range of pumps.

Wider application
A variety of material combinations can be chosen according to different purposes, allowing for a wider range of application.

Simpler structure, easier repair
The original advantages remaining unchanged - the casing is split into two parts. Inspection work only needs tlhe upper casing to be dismounted, instead of the main distribution piping.

Inlet diameter(mm)			Φ150 ~ φ500			φ600 ~ φ1200
Frequency(Hz)			50	60		50	60
Flow (m^3/min)			5~40	6~50		40~200	45~250
Head(m)			5~130	8~180		10~120	15~180
Pump stage	High speed	2,4		2,4	6,8,10,12		6,8,10,12
	Low speed	4,6		4,6	8,10,12,14		8,10,12,14

 

	Standard specification	Special specification
Extraction medium	Clear water, industrial water, river water	Sea water, paper pulp liquid (water-like), organic liquid fertilizer, medium with impurities
Medium temperatures	Below 80ºC	80ºC~300ºC
Shaft seal	Static seal/ Mechanical seal	Static seal/ Mechanical seal
Bearing and lubricant	Maintenance-free water-based lubricant	Special maintenance-free self-lubricating
Rotating direction	Clockwise (From the prime mover) CW	Anti-clockwise CCW
Import and export flange	GB	JIS. ANSI. API. JPI etc.
Inlet & outlet direction	Horizontal inlet, horizontal outlet	As per customer requirements
Drive method	Electric motors, internal combustion engines, steam turbines, etc.	Electric motors, internal combustion engines, steam turbines, etc.

Detailed Photos

 

Corrosion resistant alloy

 

Component	Standard specification	Special specification
Pump casing & Casing cover	Grey iron/ Ductile iron	Stainless steel/ Corrosion-resistant stainless steel
Impeller	Grey iron/ Cast steel/ Stainless steel	Corrosion-resistant stainless steel/ Bronze
Shaft	Carbon steel	Stainless steel/ Corrosion-resistant stainless steel
Bearing	Maintenance-free water-based lubricant	Special maintenance-free self-lubricating
Seal ring	Carbon steel/ Copper	Grey iron/ Stainless steel/ Corrosion-resistant stainless steel

 

Product Feature

Pump casing & Casing cover

The pressure chamber of ES type double suction pump has a trapezoidal cross-section. To avoid shape distortion due to casting errors, the flange of the casing cover is designed to be slightly larger than the flange of the casing.
For a split casing pump with a lower head, a single-shell structure is used. To reduce the pressure pulsation during the operation, the diaphragm tongue of the pump pressure chamber is designed with an inclined shape.
For a split casing pump with a higher head, the radial force generated when the pump is running is large. Hence a double volute chamber structure is adopted.


Impeller
The impeller of ES type double-suction pump adopts a structure in which two identical single-suction blades are placed back-to-back. The structure is symmetrical, the liquid flows into the impeller symmetrically from the suction chamber, and the generated axial forces cancel each other out. The runner of the impeller is polished and smoothed by tools like grinding wheels. The thickness of the impeller blades is uniform, and they are polished very thinly at the inlet. The inlet of the blades take the shape of a circular arc, which improves the anti-cavitation performance of the pump.
Seal ring and Impeller seal ring
The sealing ring of ES double suction pump is designed to protect the pump casing and cover. In order to prevent the sealing ring from rotating when the pump is running, it needs to be fixed with a dowel pin. To facilitate installation, the positioning groove of the pin is provided on the middle opening surface of the casing cover or the pump casing.
Similarly, the impeller sealing ring is a part designed to protect the impeller. When the pumped medium contains solid particles, or, the material of the impeller and the seal ring are the same (when specified by the user), in order to reduce the operating cost of the pump, consider using the impeller seal ring. The impeller sealing ring is generally installed with hot fitting.
Shaft
The shaft of ES double-suction pump has two directions of rotation: clockwise (CW) and counter-clockwise (CCW). In this way, the location of the prime mover can be selected according to the physical space of the pump installation site.
Bearing
The bearing of the ES type double suction pump is a self-lubricating bearing located inside the pump body to support the rotor components. Its biggest advantage is maintenance-free (that is, no daily maintenance is required). It has the advantages of small installation space, stable operation, high efficiency, low operation and maintenance cost.
Shaft seal
The non-driving end of the ES double-suction pump is sealed by static seal; whilst the driving end uses a high-performance cartridge mechanical seal, making it more reliable and stable; it has more convenient maintenance and lower cost.
Water pipe
The piping of ES type double suction pump includes headrace pipe, cooling water control valve, cooling water flow indicator and cooling pipe.
The headrace pipe is to discharge the air in the pump chamber. The pipeline is designed to - either inject water into the pump chamber or use a vacuum pump to suck out the air in the pump chamber
Cooling water control valve and cooling water flow indicator are used to control and display the cooling water flow respectively.
Cooling pipe is designed for cooling the bearings.
Connecting parts
The coupling parts of ES double suction pump generally use diaphragm coupling, elastic pin coupling or gear coupling.
 

Performance parameters

Model	ES SERIES
Flow(m³/h)	246-11100
Head(m)	7.4-12
Eff. (%)	76-90
Speed(rpm)	1490/1460/990/740/493
Shaft power(kw)	6-2989.7
Motor power(kw)	7.5-3550
NPSHR(m)	2-6.6

 

Company presentation

RFQ

Q1. What is your terms of packing? 
A: Generally, we pack our goods in neutral export wooden case . If you have legally registered patent, we can pack the goods in
wooden case with your own marks after getting your authorization letters.

Q2. What is your termsof payment? 
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance. 

Q3. What is your terms of delivery? 
A: EXW, FOB, CFR, CIF, etc.

Q4. How about your delivery time?
A: Generally, it will take from 10 dasys to 30 days after receiving your advance payment according to the pump's material. The
specific delivery time also depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures. 

Q6. What is your sample policy? 
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test the pumps before delivery .

Q8: How do you make our business long-term and good relationship? 
A. We keep good quality and competitive price to ensure our customers benefit ; 
B. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they are from.