Spark Arrestors

Spark Arrestor is designed to suppress sparks and hot carbon particles discharged from diesel engine exhaust systems, helping reduce fire risks in hazardous industrial environments.

Featuring a multi-stage swirling-flow crushing structure, it processes spark-containing carbon particles while maintaining low exhaust resistance. Made entirely of stainless steel, the device also provides exhaust noise reduction, reduced carbon accumulation, and low maintenance requirements.

It is suitable for diesel generators, diesel fire pumps, and other stationary diesel engines operating in demanding industrial environments.

Work Principle of Spark Arrestors

The Spark Arrestor adopts a multi-stage swirling-flow crushing mechanism to process spark-containing carbon particles in diesel engine exhaust.

Through multiple stages of swirling treatment and particle crushing, larger carbon particles are broken down into fine particles and safely discharged along with the exhaust gas.

This design helps reduce the risk of hot carbon particles escaping directly from the exhaust outlet.

dimension-drawing

Key Features of Spark Arrestors

1. Low-Resistance Spark Suppression

The Spark Arrestor is designed to suppress exhaust sparks while maintaining low exhaust resistance. Its low-resistance structure helps minimize the impact on normal engine exhaust flow, avoiding unnecessary increases in engine power loss and fuel consumption.

2. Exhaust Noise Reduction

In addition to spark suppression, the product provides exhaust noise reduction during diesel engine operation. It can replace conventional industrial exhaust mufflers in suitable applications, combining spark suppression and noise reduction in one device.

Product Advantages: Spark Arrestor vs. Flame Arrestor

ItemSpark ArrestorFlame Arrestor
Suitable forHigh-horsepower stationary equipment: diesel generators and diesel engine fire pumpsSmall-horsepower mobile equipment, often for temporary access to hazardous areas
Principle & MaintenanceFragmentation mode, not prone to buildup. Low maintenance cost, long service lifeBarrier mode, carbon builds up and blocks easily. High regular maintenance cost, short service life
ResistanceLow resistance. No increase in fuel consumption, no loss of output powerHigh resistance. Increases engine power loss
MaterialFull stainless steel. Free installation position, suitable for high temperatureCommon material. Not resistant to high temperatures or corrosion
Noise ReductionYesNo

Spark Arrestor Specifications

Material

Stainless steel 304 (I-B-4 type) / 316 (Ex type)

Hazardous rating

II 2G Ex h IIC T600°C Gc
II 2D Ex h IIIC T600°C Dc

Connection

Flange, inlet and outlet

No.ModelEngine displacement (L)LDN1D2D3n-dDN2D4n-d1
All dimensions in mm
1SY-HH-100-I-B-4511221001702194-181001704-18
SY-HH-100-Ex511221001702194-181001704-18
2SY-HH-150-I-B-41214801502252738-181502258-18
SY-HH-150-Ex1214801502252738-181502258-18
3SY-HH-200-I-B-42018602002803778-182002808-18
SY-HH-200-Ex2018602002803778-182002808-18
4SY-HH-200D-I-B-425200025033542612-1825033512-18
SY-HH-200D-Ex25200025033542612-1825033512-18

Application

Spark Arrestor is suitable for diesel engine fire pump sets, generator sets, and containerized power units. It is widely used in industrial environments such as oil and gas facilities, coal mining, grain processing, and cotton handling, where exhaust spark suppression is essential for reducing fire risks and improving operational safety.

Certificate

Spark Arrestors are supported by ATEX-related technical documentation in accordance with Directive 2014/34/EU.

Certificate No.

EUROCERT 24 ATEX 0550

Directive

2014/34/EU (ATEX), Notified Body 1128

Models

SY-HH-100-Ex, SY-HH-150-Ex, SY-HH-200-Ex, SY-HH-250-Ex

Marking

II 2G Ex h IIC T600°C Gc / II 2D Ex h IIIC T600°C Dc

Standards

EN ISO 80079-36:2016, EN ISO 80079-37:2016

Valid

01-08-2024 to 31-07-2034