Gold Member Since 2006
Audited Supplier
Shanghai Liancheng (Group) Co., Ltd.

Water Supply Equipment, Constant Pressure, Frequency-Variable manufacturer / supplier in China, offering Model Wbg Micro-Processor Converter Constant-Pressure Extra-Mute Water Supply Equipment, Water Fire Fighting Pump, Centrifugal Pump for Agriculture and Water Dam and so on.

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Supplier Homepage Product Water Supply System Model Wbg Micro-Processor Converter Constant-Pressure Extra-Mute Water Supply Equipment

Model Wbg Micro-Processor Converter Constant-Pressure Extra-Mute Water Supply Equipment

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ Piece
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Production Capacity: 40000sets/Year
Transport Package: Fumigation Wooden Case
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Flow Adjustable Range: 0.1-30L/S
  • Motor′s Capacity Control: 0.37~4kw
  • Pressure Stabilizing Time: <10s
  • Way of Run: One Used, One Used One Standby, Two Used
  • Control System Manufacturing Standard: Jg/T3009 (Micro-Processor Controlled Frequency-Var
  • Origin: Shanghai, China
  • Pressure Adjustable Range: 0~2.5mpa
  • Pressure Adjusting Precision: <+0.01mpa
  • Control Mode: Constant Pressure at Outlet
  • Protective Class: IP44
  • Trademark: Lcpumps
  • HS Code: 84137090
Product Description
Outline of the product
Model WBG micro-processor frequency-variable constant pressure ultra-silencing water supply equipment is a brand-new frequency-variable constant pressure water supply equipment developed by the technicians of this Co. By combining the advanced technologies both at home and abroad and holds a notable superiority and characteristic to replace the conventional frequency-variable one. It uses a silencing submersible pump (such as the u-flo water pump originally imported from USA) and a water cooled motor. Both pump and motor are completely enclosed in a stainless steel pipeline and the cycled flowing water full of the pipeline can make the motor sufficiently radiated and cooled. The equipment is extremely peaceful during work and the noise problem with the motor has been settled basically. The pump used with the equipment is made of stainless steel totally and the motor is an imported shielded
Water-filling motor and will produce no problem concerning safety and sanitation like pollution to the water quality.
This equipment holds a box-like appearance, a small volume and a less space occupation and is very conveniently installable. On the outside of it there are an inlet and an outlet connected to the external pipelines by either a keeper or a flange. An advanced converter control system is used with it for the pump control and makes it safely and stably workable. This type of water supply equipment will be the representative product in the secondary boosted water supply.
Model WBG micro-processor converter constant-pressure extra-mute water supply equipment works peacefully and safely and is simple and flexible in installation and use. The compositions of it are all made of environmental protection materials, absolutely safe and sanitary. This type of product can be used as the corollary product for water supply boosting for buildings and residences, pressurization for the automatic cycling system, greening irrigation, medical hygiene, showering system and villa pressurization.

Frequency-variable constant pressure water supply system
Peaceful, extra-mute
Easy installation, easy maintenance
Environmental protection, sanitary, without pollution
Intelligent control, energy-saving
The system adopts the fuzzy control principle, automatically optimizes the parameters, features a quick response, a high precision and a small impact to the pipe network pressure at the pump changeover and enjoys functions of extra-high pressure, non-water, pressure signal, explosion-proof pressure automatic detections to prevent pipe explosion and equipment damage, safely and stably. Both analog quantity and switching quantity in the control system are photoelectrically isolated to form a powerful capacity of disturbance resisting and enhance the electromagnetic compatibility in all-respects. The equipment is fitted with RS485 interface and internally set with the standard MODBUS protocol for the sake of communicating with the precedent computer or the man-machine interface to implement the remote monitor.
Special controller of water pump

Working principle
Model WBG micro-processor converter constant-pressure extra-mute water supply equipment adopts the pressure detection control mode that sensing the pressure change signal on the water used spot in the water supply pipe network by means of the pressure sensor on the pipeline and sending the feedback signal to the micro-processor for processing. The micro-processor makes these values contrasted analysis and operation with the set ones of pressure and then outputs an analog continual
Signal (DC4-20mA) to the converter. The converter adjusts the running frequency upon the variation of the (DC4-20mA) signal to control the speed of the pump's motor so as to realize the function of converter constant-pressure water supply and the non-water stop protection.
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