Product Description
Application: Control&Protect three phase pump for pressure boosting, DOL
Model L931-B is specially designed for pressure booster pumping system by adopting pressure transmitter (0.5-
4.5v), pump user can easily set the different pressure value and observe the dynamic pressure value in the pipeline.
Main features:
Single pump control
- Present pressure transmitter with 0.5-4.5v analog signal
- Easily setting the different pressure value and observing the
Dynamic pressure value
- Eliminates the pressure switch, pressure setting for one pump
- Automatically stop the pump in the case of water shortage,
Protecting it from drying running without installing the float
Switch or liquid probe in the well
- Auto / Manual switch
- Pump accumulative running time displaying
- Pump last five fault record displaying
- LCD displays pump running information
- Protect the pump against many faults
- Grade of Protection IP 54
- Present remote monitor
- Present one dry contact point
- Visual & Audio alarm for fault prompt
About us:
Hunan Leading Science & Technology Development Co., Ltd is the professional manufacturer of intelligent pump control system applied for monitoring and protecting of pumps in home and industry use;
Leading Science & Technology has always been a leader in the production, research & development of intelligent pump control system and relative pump control products. Million of our prime products have been sold on the market for stable quality and reasonable price.
Leading Science & Technology has established stable relations with many pump producers and distributors from China and overseas.
Till now, Leading Science & Technology we have passed CE, ISO9001: 2008 certificate.
Audited Supplier 
){kind=link}
){kind=link}