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Shijiazhuang Tech-macro Pump Industry CO.,Ltd
Add: No.55 Kunlun Great Street Shijiazhuang City PRC
Code: 050035
Tel: 0086-311-89809027
Fax:0086-311-85118271
Email:tech-macro@tm-pump.com Click’Contact Us‘ to Read more......
Service&Solution
FAQ ( For Pump Selection)

1. Q: What is TDH?

A: TDH=Total dynamic head= Static Height + Static Lift + Friction Loss. It is comprised of two parts: net head(static head) and head loss. Usually specified in either inches or meters.

Where:

Static Height is the maximum height reached by the pipe after the pump (also known as the 'discharge head').

Static Lift is the height the water will rise before arriving at the pump (also known as the suction head).

Friction Loss(head loss) is the loss of energy or ‘head’ that occurs in pipe flow due to viscous effects generated by the surface of the pipe which includes energy lost due to obstructions.

Please contact Tech-macro to get further information about pump selection.

 

2. Q: Model selection basic parameter:

A: 1).flow capacity 2).head 3).PH value 4).median particle size 5).viscosity 6).slurry specific gravity  7).temperature  8).Other

 

3. Q: Rubber lined pump or metal lined pump,which is suitable?

A: 1) If there is large solids or keen-edged solids,metal lined pump is suitable.For the rubber material,the strength resistant is low,and can not be scratched.

2) For high corrosive slurry with small particles and no edges,or tailings in mining industry,rubber lined pump is suitable for long useful life and lower cost.

3) If slurry temperature is higher than 60-70,metal lined pump is suitable.

4) If head is over 40-45 meter,metal lined pump is suitable.

 

4. Q: Information Required for Pump Selection

A:

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Address:No.55 Kunlun Great Street Shijiazhuang City PRC  Phone:0086-311-89189193
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