Auto 220V Skid Dosing Unit for Chilled Water, Core Motor 1yr 1

Auto 220V Skid Dosing Unit for Chilled Water, Core Motor 1yr 2

Auto 220V Skid Dosing Unit for Chilled Water, Core Motor 1yr 3

Auto 220V Skid Dosing Unit for Chilled Water, Core Motor 1yr 4

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Auto 220V Skid Dosing Unit for Chilled Water, Core Motor 1yr

Auto 220V Skid Dosing Unit for Chilled Water is a compact, pre-assembled chemical dosing system that automatically meters treatment chemicals into chilled water HVAC loops using standard 220V power. It ensures consistent corrosion, scale and microbiological control while minimizing manual checks and downtime. The core motor has a 1-year warranty for added reliability and peace of mind.

Selling points:

- Plug-and-play skid design for fast, low-cost installation and integration

- Automatic, precise dosing improves system protection and efficiency

- Built for chilled-water HVAC applications — reduces scale, corrosion, and maintenance

- Runs on standard 220V power for broad compatibility

- 1-year warranty on the core motor signals trusted performance and support

brand name:

QILEE

Shipping:

Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-1(sets):50(days),>1(sets):To be negotiated(days)

Place of Origin:

China

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size

2000*1000*1700

Suitable for medicament

Electronic control

0,1

Maximum number of instruments

Pump type

Diaphragm pump

Pump qty

4sets

Maximum flow rate

1000LPH

Processing Type

Filtration

Power(W)

1 kW

Product name

Skid Mounted Chemical Dosing System

Voltage

220 V, 380 V

weight (kg)

100

productivity

500L/Hour

warranty

1 Year

place of origin

Shanghai, China

core components

Motor

machinery test report

Provided

video outgoing-inspection

Provided

Precise Reliable Compact Durable

The QWDS Polymer dosing system delivers precise, automated chemical dosing for chilled water treatment—ensuring consistent coagulation, pH control and efficient sludge dewatering while linking to on-site DCS for real-time, demand-driven adjustments. Housed in a compact, skid-mounted shape with modular pump styles (screw or diaphragm) and robust safety components (back-pressure and safety valves, filters, diaphragm gauges), it minimizes footprint and simplifies installation. Shipped in standard export carton packing and backed by high-quality construction plus a one-year core motor warranty, it provides dependable, low‑maintenance performance and rapid delivery for critical process control.

Auto 220V Skid Dosing

The Auto 220V Skid Dosing Unit for Chilled Water, with a one-year core motor warranty, is a skid-mounted, compact QWDS Polymer dosing system offering automatic 220V operation, configurable screw or diaphragm pump sets and integrated safety components such as back-pressure and safety valves, filters, diaphragm pressure gauges and cleaning pipelines. Engineered for precise chemical feed of acid/alkali, PAC, PAM, carbon source, nutrients and demulsifiers, it supports online monitoring (pH, residual chlorine, DO, suspended solids, sludge concentration), automatic pump switching and DCS linkage to match dosing to total water volume and process concentration for reliable, low-labor operation. Its modular skid structure and scalable pump arrangements enable easy transport, rapid installation and stable continuous dosing for coagulation, sludge dewatering and chilled water treatment applications.

220V Automatic Chilled-Water Doser

The Auto 220V Skid Dosing Unit for chilled water is a compact, skid-mounted automatic chemical dosing system designed for regulation, coagulation and sludge dewatering, supporting automatic addition of acids, alkalis, PAC, PAM, carbon source and demulsifiers. Equipped with selectable imported screw or diaphragm metering pumps, online monitoring for pH, residual chlorine, DO and suspended solids, automatic pump switching and safety components such as back-pressure and safety valves, filters and diaphragm pressure gauges, it can be integrated with on-site DCS to match dosage to total flow and process concentration. Available in multiple QWDS configurations with pump capacities up to 2000 LPH per unit, the QWDS Polymer dosing system operates on 220V and includes a one-year core motor warranty for reliable chilled water treatment.

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Precise, Efficient, Reliable, Durable

Engineered as a 220V automatic skid-mounted unit for chilled water, this dosing solution reflects a brand history of water-treatment expertise and includes a one-year warranty on the core motor for dependable service. The QWDS Polymer dosing system provides accurate, programmable polymer metering with integrated controls, leak detection and corrosion-resistant skid construction to ensure consistent chilled-water treatment. Key features—compact modular skid, precise metering pumps, PLC-based user interface, easy maintenance access and low power consumption—translate into advantages of reduced chemical use, stable water quality, minimal downtime and lower lifecycle costs.

Material introduction

The Auto 220V Skid Dosing Unit for Chilled Water is built on a corrosion-resistant stainless steel skid with chemical-grade HDPE or polypropylene tanks to handle acids, alkalis and polymer flocculants. Wetted parts on the QWDS Polymer dosing system — including screw or diaphragm pump heads, valves and piping — use PVDF/PTFE plastics and EPDM or PTFE diaphragms for broad chemical compatibility and long service life. Motors and structural components receive industrial protective coatings and the unit comes with standard safety fittings like back-pressure and relief valves, filters and diaphragm pressure gauges for reliable, automated chilled water dosing.

◎ Skid and enclosure

◎ Chemical storage and mixing tanks

◎ Dosing system wetted parts and piping

FAQ

What is the Auto 220V Skid Dosing Unit for Chilled Water and where is it typically used?

The unit is a pre-assembled, skid-mounted automatic chemical dosing system powered from a 220V supply, designed to add precise amounts of treatment chemicals into chilled water circuits. Typical applications include central HVAC chilled-water plants, building chilled-water loops, cooling towers associated with chillers, data center cooling systems, hospitals, hotels, laboratories and light industrial process cooling where control of corrosion, scale and biological growth in closed or open chilled-water systems is required.

What types of chemicals can this dosing skid handle and how does it deliver them?

It is used to dose common chilled-water treatment chemicals such as corrosion inhibitors, scale inhibitors, biocides/biocontrol agents, pH adjusters and antifreeze additives (where applicable). Delivery is by metering pumps and associated injection lines mounted on the skid; dosing can be time-based, flow-proportional or feedback-controlled (e.g., conductivity/pH) depending on controller options. Always verify chemical compatibility with the skid materials and follow the chemical supplier’s recommendations and MSDS.

What are the installation and electrical requirements for this 220V skid unit?

The skid requires a stable 220V power supply (single-phase unless otherwise specified), a dedicated circuit with proper overcurrent protection and earth/grounding. Mechanically it is bolted to a flat surface or integrated base and plumbed into the chilled water loop at the recommended injection point (commonly at the pump discharge, make-up line or system return). Install isolation valves, check/backflow prevention and service access. Site conditions should provide ventilation and protect chemical tanks from extreme temperatures. Final electrical and plumbing connections, commissioning and any BMS integration should be performed by qualified technicians.

What maintenance is required and what does the “Core Motor 1yr” warranty cover?

Regular maintenance includes checking chemical tank levels, inspecting and replacing wear parts (pump heads, diaphragms, tubing, filters), verifying injection fittings and leak-free connections, calibrating dosing rates and testing sensors and alarms. The “Core Motor 1yr” warranty typically covers defects in the primary pump motor for one year from delivery under normal use. It generally does not cover normal wear items (pump heads, seals, tubing), chemical damage from inappropriate chemicals, misuse, lack of maintenance, or improper installation. For warranty claims keep the purchase receipt, serial number and service records and contact the supplier/manufacturer for instructions.

Can this dosing unit be integrated with building management systems or remote monitoring?

Many skid models offer control and monitoring options—such as digital controllers, analog outputs (4–20 mA), relay alarm contacts, pulse inputs from flowmeters, or communication protocols like Modbus—so they can be integrated with a BMS or remote SCADA. Integration allows flow-proportional dosing, remote alarms for low chemical level or pump fault, and logging of dosing activity. Confirm the specific communication and I/O options on the chosen model and plan for appropriate wiring and commissioning.

What safety and environmental precautions should be followed when using the dosing skid?

Use appropriate PPE when handling chemicals (gloves, goggles, aprons), store chemicals in labeled containers with secondary containment, keep spill kits and neutralizers on site, and ensure good ventilation. Implement lockout/tagout procedures before maintenance and isolate electrical power. Install backflow protection and anti-siphon devices to prevent contamination of the main water supply. Dispose of waste and rinse waters according to local environmental regulations and the chemical supplier’s instructions. Follow manufacturer and chemical MSDS guidance to minimize risk to personnel and equipment.

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