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Integrated Gate Retrofit System (SCZG-Z DC / SCZG-J AC) Retrofit Overview

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Integrated Gate Retrofit System (SCZG-Z DC / SCZG-J AC) Retrofit Overview
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Product Description

Traditional cast iron gates and steel gates widely used in irrigation districts and farmland irrigation systems face a core challenge in intelligent upgrading: traditional retrofit solutions require separately configuring the drive, control and power supply systems, with complex on-site installation and long commissioning cycles, resulting in overall retrofit costs that are prohibitively high — sometimes even exceeding the price of a brand-new intelligent gate, contradicting the original purpose of “retrofitting old assets”.

To address this industry challenge and based on extensive field retrofit experience, an Integrated Gate Retrofit System has been successfully developed. The system comes in two types: DC motor gate retrofit system and AC motor gate retrofit system. It highly integrates the power supply unit, drive unit and intelligent control system, with all modules assembled and commissioned before delivery to form a ready-to-use standardized retrofit kit. On site, simply install the entire system directly onto the existing gate foundation to quickly upgrade the old gate to an intelligent one.

Integrated Gate Retrofit System (SCZG-Z DC / SCZG-J AC) Retrofit Overview

SCZG-Z DC Motor Gate Retrofit System

Integrated Gate Retrofit System (SCZG-Z DC / SCZG-J AC) Retrofit Overview

Integrated Intelligent Gate Retrofit System - Control Box

System Components

· Power supply unit

· Centralized intelligent hoist

· Protective enclosure unit

· Control & communication unit

Features & Advantages

· Integrated control

· Easy installation

· Controllable cost

· Simple maintenance

· Modular design

· Convenient commissioning

· Stable operation

· Easy popularization

Specifications

Item

Parameter

Item

Parameter

Gate size

300–5000

Installation method

Integrated or separate installation

Lifting weight

0.5–20t

Drive method

Single lifting point or double lifting points

Motor power

60–7500W

Controller

PLC or microcontroller

Motor voltage

DC 12–48V, AC 220–380V

Communication

4G full-network

Control method

Manual control, electric key control, touchscreen control, remote control (PC/mobile APP)



Functions

· Integrated design: Integrates power supply, control, communication and drive systems into one unit for easy installation and commissioning, barrier-free installation, saving manpower and material resources, reducing retrofit costs and facilitating large-scale promotion.

· Control functions: Manual hand-crank control, key control, touchscreen control, remote control (PC/mobile APP) and customized control.

· Precise control: Built-in integrated gate position sensor with absolute encoder enables upper/lower limit and precise opening degree control; supports linkage with upstream/downstream water levels and gate flow to automatically adjust gate opening height for precise control.

· Device protection: Multiple protection mechanisms including overload protection, limit protection, power failure protection and equipment abnormal alarm protection ensure normal operation.

· Monitoring functions: Monitors current, voltage, limit position, opening degree and other operating status in real time for timely feedback and handling of equipment abnormalities.

· Communication functions: Gate controller and PLC control unit support multiple communication methods — besides the default 4G full-network communication, Bluetooth, LoRa, NB-IoT and card-swipe communication are also available.

· Controller functions: Gate controller provides more than 6 interfaces for water level, flow, display, various communications, alarm, voice and other functions; various functions can be customized according to customer requirements.

· Power switching: Switches between different power supplies from 12V to 380V.

· HMI: Displays from 4.3” to 10” enable display, control and commissioning of gate parameters for convenient on-site installation.

Retrofit Applications

Integrated Gate Retrofit System (SCZG-Z DC / SCZG-J AC) Retrofit Overview

Integrated Gate Retrofit System - Field Application

- FAQ -

A:

A: We are the manufacturer—our 7,800 m² production facility in Shandong, China is owned and operated by us, with in-house R&D, precision assembly lines, and a dedicated pre-shipment testing bay. Founded in 2007, we now export to 20+ countries. We welcome third-party factory audits (SGS, BV, TÜV) and can arrange a live video tour or an on-site visit before you place your first order.

A:

faq1hA: Yes. Every fertigation system can be built to your local grid standard — 110V / 220V / 380V / 480V, 50Hz or 60Hz — with matching plug types, cable specifications, and IP-rated control cabinets. The HMI software supports multi-language interfaces, and we can implement custom communication protocols (4G / LoRa) and full OEM branding. Fill in the electrical specification sheet we provide, and we will confirm the design in writing before production starts.

A:

A: We are a one-stop solution provider, not a single-machine supplier. Beyond standalone fertigation units, we deliver complete turnkey packages—intake pump stations, automatic back-flush filtration systems, field solenoid valves and decoders, pipelines, and fittings—together with control programming and as-built drawings. Send us your field layout, water source data, and crop type, and our engineers will return a tailored design, BOM, and quotation within three working days.

A:

A: To quote accurately, we need five things: (1) crop type and planting area or greenhouse size; (2) water source (well, river, or reservoir) and a water quality report, if available; (3) field topography and layout—a simple sketch or satellite map is fine; (4) your local voltage and frequency; (5) project stage and target delivery date. Send these to [email / WhatsApp] and our engineers will reply with a tailored design, BOM, and quotation within 3 working days.

A:

A: We usually quote FOB Qingdao, with CIF and DDP available on request. Main loading ports include Qingdao, Shanghai, and Ningbo, and we will recommend the most economical option for your destination. To get a freight estimate, simply tell us your destination port or door address, the order quantity, and whether you prefer LCL or FCL—we will come back with a full landed-cost breakdown.

A:

A: Every machine carries a 12-month warranty against manufacturing defects, with free replacement parts shipped by air. The warranty starts from the shipping date or as otherwise agreed in the contract. Overseas support includes full English manuals, wiring schematics, and operation videos, plus remote video commissioning via WhatsApp / Zoom with a response time within 12 working hours. Spare parts remain available for 2 years, and field engineers can be dispatched for large projects by agreement.

A:

A: All export equipment is packed in ISPM 15-compliant fumigation-free wooden crates or heavy-duty plywood pallets, lined with multi-layer waterproof film and shock-absorbing cushioning to protect meters, sensors, and electrical components from ocean humidity and rough transit. Before shipment, we share the container loading plan plus photos and videos of the packed goods for your confirmation. Custom shipping marks and labels are available, and we can quote FOB, CIF, or DDP terms.

A:

A: MOQ is 1 set for standard models—ideal for sample testing and pilot projects. Lead time starts from receipt of deposit and confirmed drawings: 7–15 working days for standard models, 20–35 working days for customized or large project orders. In peak season, we recommend placing orders 4–6 weeks in advance, while stock models can often ship faster. Both LCL and full-container loading can be arranged.

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