WL106629 SCR Solenoid Valve Application

Product catalog summary

Introduction
The document discusses the application of SCR solenoid valves, which are crucial in the precise injection of Diesel Exhaust Fluid (DEF) for processing exhaust gases in diesel engines. These valves are essential for controlling the DEF supply to the SCR catalyst system.

Applications in Automotive Sector
SCR solenoids are extensively used in the automotive sector, particularly in heavy trucks, buses, pickup trucks, commercial vehicles, and passenger diesel vehicles. They are vital for ensuring efficient DEF dosing, which enhances fuel economy and reduces exhaust emissions.

Applications in Agricultural Equipment
Agricultural machinery, such as tractors and harvesters, heavily relies on SCR solenoids due to their dependence on diesel engines. These solenoids are indispensable for the operation of such equipment.

Applications in Construction Equipment
SCR solenoids are also prevalent in construction equipment, including excavators, bulldozers, loaders, and cranes. They ensure precise DEF dosing, which is critical for the efficient operation of these machines.

Industrial Applications
In the industrial sector, SCR solenoids are found in marine engines, mining equipment, generators, and stationary diesel engines. They play a key role in improving fuel economy, reducing emissions, and complying with environmental regulations such as Euro 6, EPA, and Tier 4.

Catalog excerpts

WL106629 SCR Solenoid Valve Application-1

t£ Technical Design Change 2 Airway flow: 0-1L Per Minute 3 Work pressure: From 0 Mpa--0.025 Mpa 4. Always close type 5. Connected Gate: Dia. 5.1 mm, type: IS015170 A3-2.1-sn/K2 1 Insulation Resistance: between coil and frame : 3 Temperature Rise: Max 65 ( 20 °C DC 5 V testing on 1 S on 5 S off) 4: Lifespan : 200,000 shots (20 °C at DC 5 V, 1 S on, 5 S Off ) 5 Coil and lead wire strength : 1 kg Dimension Without Tolerance Weilong Intelligent Technology (Dongguan)Co., Ltd.,

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WL106629 SCR Solenoid Valve Application-2

WL106629 SCR Solenoid Valve Application A SCR solenoids finds wide applications in precise DEF injection, in processing of exhaust gases in diesel engines. These devices serve to control the amount of Diesel Exhaust Fluid supplied to SCR catalyst system. The SCR Solenoid is frequently found in automotive sector in heavy trucks, buses, pick up trucks, commercial vehicles and passenger diesel vehicles. Agricultural equipment including various types of tractors and harvesters, where there is a significant usage of diesel engines, cannot work without SCR solenoid. Solenoids for SCR are widely used...

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WL106629 SCR Solenoid Valve Application-3

TECHNICAL HIGHLIGHTS High Precision Urea Dosing Control Solution Fast Response Time ©Corrosion Resistant Housing

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WL106629 SCR Solenoid Valve Application-4

Spring resets plunger and doses valve. SCR SOLENOID- WORKING PRINCIPLE - r 1 TECHNICAL BENEFITS (0) Efficient SCR Emission Control Technology

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WL106629 SCR Solenoid Valve Application-5

SCR SOLENOID STRUCTURE & MAIN COMPONENTS ///////// WATERPROOF CONNECTOR COPPER COIL STAINLESS STEEL HOUSING PRECISION PLUNGER - RETURN SPRING -SEAL RING • VALVE SEAT * MAIN MATERIAL ADVANTAGES Q/ High Conductivity Copper Coil Qj SUS Stainless Steel Body Q/ High Temperature Rubber Seal Q/ Anti-Corrosion Surface Treatment PERFORMANCE ADVANTAGES (y/j Stable Magnetic Force (Vy Low Heat Generation @ Long Continuous Working Duty Qj Excellent Sealing Performance DESIGNED FOR HARSH AUTOMOTIVE EXHAUST ENVIRONMENTS

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WL106629 SCR Solenoid Valve Application-6

AUTO PARTS PASS ! PASS WL 106629 SCR Solenoid Performance Testing Report TESTING EQUIPMENT Each solenoid is tested using precision testing equipment to ensure reliable performance and consistent quality. Voltage Test Coil Power Working Pressure Range Duty Cycle 100%Factory Tested Before Shipment

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WL106629 SCR Solenoid Valve Application-7

QUALITY ASSURANCE PROCESS FACTORY INSPECTION PROCESS 1. RAW MATERIAL Incoming Material Inspection «g 2. COIL WINDING Precision Coil Winding Process Component Assembly & Integration Functional Performance Testing Final Quality Inspection QUALITY CONTROL FEATURES 6. PACKAGING Secure Packaging & Labeling_ Reliable Automotive Grade Manufacturing Process

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WL106629 SCR Solenoid Valve Application-8

^ ^ Confirm Voltage Requirement CD Check Duty Cycle^ Q. Verify Connector TypeH—•H Confirm Stroke Distance {^) Check Flow Rate Requirement d) Verify Operating Temperature Confirm Installation Dimension Duty Cycle: Connector Type: AMP / Deutsch / Superseal ES Ask ^or Cycle Testing Report Mounting Dimension (Bottom View)

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