4SJ Series Stainless Steel Floating Type Impeller Pencil Pump
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The 4SJ Series Stainless Steel Floating Type Impeller Pencil Pump is a specialized pump designed for deep well applications. It is known for its stainless steel construction, floating type impeller, and efficient performance.
1、One of the key features of this Pencil pump is its stainless steel construction. Stainless steel is a durable and corrosion-resistant material, making it suitable for use in deep well environments where the pump is exposed to water and potentially corrosive elements. The stainless steel construction ensures the pump's longevity and reliable performance, even in challenging conditions.
2、The pump features a floating type impeller, which helps to prevent blockages and clogging. The floating impeller design allows for the passage of solids and debris without causing damage to the pump, ensuring continuous and efficient operation.
3、The 4SJ Series deep well pump is capable of delivering water from deep underground sources to the surface. It is commonly used for applications such as residential water supply, irrigation, or livestock watering. With a 0.5HP motor, it provides sufficient power to pump water from considerable depths.
4、Additionally, these pumps may feature thermal protection mechanisms to safeguard the motor against overheating. This helps to prolong the pump's lifespan and ensure safe operation.
5、The 4SJ Series 0.5HP Stainless Steel Floating Type Impeller Deep Well Pump is a reliable and efficient solution for deep well applications. Its stainless steel construction, floating impeller design, and thermal protection features make it suitable for extracting water from deep underground sources with efficiency and durability.
1. The water temperature does not exceed 35℃
2. The PH of the water source is between 6.5 and 8.0 ;
3. The solid matter content (weight ratio) in the water source is <0.01%, the largest particle diameter ≤ 0.2mm;
4. The maximum diving depth is ≤ 150m.
(according to our general sales conditions)

|
Components |
Material |
|
Delivery casing |
AISI 304 SS |
|
Suction lantern |
AISI 304 SS |
|
Diffuser |
AISI 304 SS |
|
Impeller |
AISI 304 SS |
|
Shaft |
AISI 304 SS |
|
Shaft coupling |
AISI 304 SS |
|
Wear ring |
Rubber |
|
Motor external casing |
AISI 304 SS |
|
Top chock |
|
|
Cast-iron ASTM NO.30 |
|
|
Bottom support |
Cast-iron ASTM NO.30 |
|
Seal |
NBR Graphite-SIC/TC |
|
Shaft |
AISI 304 SS-ASTM 5140 |














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