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DC-Latching Irrigation Solenoid for Automatic Control Valves

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While standard solenoids waste energy continuously, our DC latching models consume power only during 80-500ms switching pulses. Supports cable runs up to 3500m for remote agricultural sites. Integrated three-position manual override provides operation flexibility during power outages or system maintenance.
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Description

Overview of DC Latching Irrigation Solenoids

This irrigation solenoid is an electric actuator designed to convert electrical signals into hydraulic commands for automatic irrigation control valves. It operates with various irrigation automatic control systems and is compatible with standard irrigation controllers. Two power configurations are available: AC/DC combined and DC Latching, providing options to match different system requirements. The DC Latching version maintains valve position without continuous power, making it suitable for battery and solar-powered installations where power conservation is necessary.

DC-Latching Irrigation Solenoid for Automatic Control Valves

Customization and Packaging Details

Custom Option

Details

Power type

AC/DC or DC Latching options

Cable length

Custom lead wire lengths available

Connector type

Various connector options upon request

Voltage specifications

Custom voltage ranges available

Configuration

Packing/Bag

Measure (cm)

G.W (Kg)

Packing/Carton

Measure of Carton (cm)

G.W (Kg)

One Controller

1

110×10×25

0.15

110 pcs

48×29×33

14.6

Two Controllers

2

110×10×25

0.66

215 pcs

48×29×33

7.5

Four Controllers

4

110×10×25

1.128

104 pcs

48×29×33

9.0

Six Controllers

6

110×10×25

1.588

72 pcs

60×28×57

9.1

Technical Parameters

Core Features and Technical Specifications

Design and Construction Features

The unit consists of a waterproof upper housing containing electrical and mechanical mechanisms, paired with a three-way water flow base that connects to control valves. An integrated manual override switch provides three operating modes: close, auto, and open, allowing manual control during system setup, maintenance, or electrical outages. The base interface measures 1/8" BSP, compatible with standard hydraulic control valves. The solenoid operates within a pressure range of 0-10 bar (0-140 psi) and withstands maximum ambient and liquid temperatures of 60°C (140°F). A filtration level of more than 80 mesh is required upstream to prevent debris interference.

Electrical Specifications

Parameter

AC/DC Type

DC Latching Type

Power Supply

24V (min 18V, max 28V)

12-40V DC

Open Current

90 mA

Pulse only

Holding Current

75 mA

0 (no holding current)

Pulse Width Required

80ms min, 500ms max

Power Consumption

Continuous

Only during switching

Polarity (DC)

Red (+), Black (-)

Red (+), Black (-)

Polarity (AC)

No polarity difference

Maximum Cable Length by Wire Gauge

AWG Model

Diameter (mm)

Sectional Area (mm²)

Maximum Distance AC (m)

Maximum Distance DC (m)

24

0.5

0.2

600

20

0.8

0.5

1250

150

18

1.0

0.8

2000

17

1.1

1.0

2500

240

16

1.3

1.3

3500

15

1.4

1.5

5000

380

General Specifications

Parameter

Specification

Product Type

Motor-type irrigation solenoid

Function

Converts electrical signal to hydraulic command

Components

Waterproof housing + three-way water flow base

Manual Control

Manual knob switch with 3 modes: Close / Auto / Open

Pressure Range

0-10 bar (0-140 psi)

Maximum Ambient Temperature

60°C (140°F)

Maximum Liquid Temperature

60°C (140°F)

Base Interface Size

1/8" BSP

Filtration Requirement

> 80 mesh

Control Lines

Two wires: Red (positive), Black (negative)

Product Uses

Industrial and Commercial Irrigation Applications

These solenoids serve multiple commercial irrigation use cases. They enable remote zone control in large-scale automated agricultural irrigation systems. For greenhouses, the DC Latching version supports battery-backed controllers, maintaining operation during power outages. Their waterproof construction suits exposed orchard and vineyard installations, while long cable run capability allows centralized controller placement. They also work in remote sites without grid power, operating from battery and solar systems. Additional applications include golf course and commercial landscape irrigation, as well as retrofitting existing manual hydraulic valves to automated operation.

Product Operate Guide

Installation and Maintenance Instructions

To install, mount the solenoid on the control valve's three-way port, ensuring the base O-ring is properly seated. For DC and DC Latching operation, connect the red wire to positive and black to negative; for AC operation, no polarity distinction applies. Set the manual knob to the desired mode before electrical connection. Select appropriate wire gauge based on distance from the controller, and use waterproof conduit for underground installation. Regular maintenance includes inspecting wire connections, verifying manual knob operation, and maintaining upstream filtration above 80 mesh.

FAQ

FAQ About Irrigation Solenoids

What is the difference between AC/DC and DC latching irrigation solenoids?

AC/DC solenoids require continuous power to hold the valve open (90 mA open current, 75 mA holding current). DC Latching solenoids require only a pulse (80-500ms) to change valve position and consume zero power between pulses, making them suitable for battery and solar applications.

What voltage ranges are available for these irrigation solenoids?

AC/DC type operates on 24V (18-28V range). DC Latching type operates on 12-40V DC.

How does the manual override switch work?

The manual knob has three positions: Close (valve forced closed), Auto (valve responds to electrical signals), and Open (valve forced open). This allows manual control regardless of electrical signal status.

What is the maximum cable length for irrigation solenoids?

Maximum cable length depends on wire gauge. For AC operation, up to 3500m with 1.3mm² wire. For DC operation, up to 380m with 1.5mm² wire.

What filtration is required for proper operation?

Filtration of more than 80 mesh is required to prevent debris from interfering with solenoid operation.

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