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Contact person: Daniel Pi
TEL:   +86-15921748232 (Whatsapp/Wechat)
SKYPE:   aka1005240 
E-MAIL: tqpumps@aliyun.com
No.3568, Mid Jiasong Road, Shanghai

ADD:   NO.3568,MID JIASONG ROAD,QINGPU DISTRICT,SHANGHAI
SHANGHAI OFFICE:   ROOM 1115, ZENGZHOU BUILDING, HUALONG ROAD, HUAXIN TOWN, QINGPU DISTRICT, SHANGHAI
TEL:   +86-15921748232 (Whatsapp/Wechat)

SKYPE:   aka1005240 

E-MAIL: tqpumps@aliyun.com

 

 

SHANGHAI SEMHAI PUMP CO., LTD. 

SHANGHAI SEMHAI PUMP CO.,LTD.

Shanghai Semhai Pump Co., Ltd.     hu ICP 18029474     Powered by : changchun.300.cn

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Comparison of Self-priming pump and submersible pump

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Self-priming pump and submersible pump which is high efficiency, self-priming pump and submersible pump which life is long, self-priming pump and submersible pump which is durable
 
First, self-priming pump and submersible pump overview
Both self-priming and submersible pumps can be replaced by each other (self-priming pumps instead of submersible pumps must be within the effective self-priming range of the self-priming pump), so many users choose which pump is better. More tangled, want to search online for self-priming pumps and submersible pumps which long life or self-priming pump and submersible pump which is durable, self-priming pump and submersible pump which is high efficiency, self-priming pump and submersible pump difference, self-priming pump and Which pressure is high, what is the flow rate of the self-priming pump and the submersible pump? In fact, the pressure on the self-priming pump and the submersible pump is large, and the self-priming pump and the submersible pump have a large flow rate. These two problems are relatively general. It depends on what type of self-priming pump and submersible pump you choose. Which pressure is the problem with self-priming pumps and submersible pumps: self-priming pumps are single-stage impellers, and submersible pumps have multi-stage submersible pumps than pressure self-priming pumps. It is definitely better than the submersible pump, self-priming pump and submersible pump. If you use the same power, the pump flow is similar, and the self-priming pump and submersible pump can be bigger. The amount of pump products, not self-priming and submersible pump large flow which this statement.
 
Second, self-priming pump and submersible pump which is efficient
The efficiency of the self-priming pump and the submersible pump depends first on the product of the impeller structure. Since the submersible pump is directly placed in the pool, the product of the similar impeller structure is relatively slightly more efficient than the submersible pump. The submersible pump is divided into various types of diving. The pump has a clean water submersible pump and a sewage submersible pump, the clean water submersible pump impeller is a closed impeller, and the sewage submersible pump impeller is a semi-closed, semi-open or open impeller, and the submersible pump efficiency using these impellers It is inefficient compared to the clear water submersible pump. The model number 50WQ15-15-1.5KW is the model of a submersible sewage pump. The flow head is 15m motor power 1.5KW, but the efficiency of this series of sewage submersible pumps is relatively low. The flow head can't be synchronized to reach the data. For example, when the actual use of the head requires 15 meters, the flow will not reach 15m3/h, and the flow will reach 15m3/h when the head is about 10 meters. Therefore, you are reminded that you are using it. When the sewage submersible pump is selected according to the data in the parameter table, it is recommended to select the corresponding one of the larger grades.
All self-priming pump products need to pump the low water into the pump cavity and then pressurize and transport it to a farther place. The higher the suction stroke of the self-priming pump, the higher the head loss, so the self-priming The pump and the sewage submersible pump should be rationalized and selected in consideration of the self-suction height loss in actual use. When the self-priming pump head is selected, the self-priming height loss of the self-priming pump should be included. For example, you need an actual one. The lift requires a self-priming pump of 10 meters. It is recommended that you choose a self-priming pump with a head of 15 meters when choosing the model.
 
Third, self-priming pump and submersible pump which long life, self-priming pump and submersible pump which is durable
The submersible pump is submerged in the water, and the self-priming pump is installed on the ground. The submersible pump sneaked into the water. The long time will cause the motor to enter the water due to mechanical seal damage, O-ring damage and other components. Or if it is wet or severe, it will cause the motor to burn out.
The self-priming pump is installed on the ground, and when the mechanical seal is damaged, only water leakage will occur, and the operator can observe and contact the liquid at the same time, that is, the pump chamber and the impeller and the shaft are several main components, so the self-priming pump and the diving Which long life of the pump, the self-priming pump and the submersible pump which is durable is definitely a longer and more durable self-priming pump. Since the self-priming pump can be installed on the ground, the operator can understand the running state of the self-priming pump at any time by listening to the sound, observing and viewing, and the maintenance is also convenient. The submersible pump maintenance must also lift the submersible pump to the shore, so the self-priming pump effectively sucks We recommend using a self-priming pump when conditions within the range allow.
 
Fourth, self-priming pump and submersible pump selection recommendation
The maximum suction stroke of the self-priming pump is also 9 meters. If it exceeds 9 meters, only all kinds of submersible pump products can be selected. The recommended lift of 80 meters or more is recommended: deep well pump
If the self-priming height is 8-9 meters within the allowable range of the self-priming pump, we recommend: high-suction self-priming sewage pump
If it is the sewage self-priming pump, the self-priming height can not meet the conditions, it is recommended to use the submersible sewage pump with full protection.
 
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