Shaoxing Weimin Fire Fighting Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of abc dry powder fire extinguishers in China. If you're going to wholesale bulk CE and ISO approved abc dry powder fire extinguishers, welcome to get pricelist and free sample from our factory. All customized products are with high quality and low price.

Applications

ABC dry powder extinguishers are installed in environments where Class A (solid combustibles), Class B (flammable liquids), and Class C (energized electrical systems ≤1000V) coexist within the same fire risk area. Typical engineering environments include:

▪ Electrical control rooms with voltage ≤1000V

▪ Warehouses storing cardboard, pallets, and polymer packaging materials

▪ Fuel handling zones with liquid hydrocarbons (flash point 52–96°C)

▪ Mechanical workshops with welding sparks >800°C ignition sources

▪ Commercial buildings with mixed fire load density above 20 kg/m²

Discharge Performance Standard: 1.5–3 Meters Working Distance

*Performance depends on nozzle geometry and internal pressure condition.

Quality Assurance

Certifications & Compliance

Weimin ABC Fire Extinguishers are manufactured under controlled industrial systems aligned with international fire safety standards. Applicable compliance frameworks include:

EN 3-7 Portable Fire Extinguisher Standard

ISO 9001 Quality Management System

CE marking under Pressure Equipment Directive (2014/68/EU)

Hydrostatic Pressure Testing:

Each cylinder undergoes testing at 2.5–3.0 times working pressure to verify structural integrity under overload conditions. Testing is applied per batch to ensure production consistency.

*Certification scope may vary depending on destination country requirements and is confirmed during procurement specification.

Products Description

Dry Powder Weight	Out-diameter	Cylinder Height	Cylinder Weight	Extinguisher Weight	Material	Max Working Pressure	Test Pressure	Temperature Range	Carton Size	Gross Weight
1 kg	90 mm	235 mm	0.55 kg	1.85 kg	St12	14 Bar	25 Bar	-30°C ~ +60°C	21 × 51 × 31 cm / 10 pcs	19.0 kg
2 kg	110 mm	305 mm	0.93 kg	3.35 kg	St12	14 Bar	25 Bar	-30°C ~ +60°C	35.5 × 23.5 × 40 cm / 6 pcs	21.0 kg
4 kg	130 mm	400 mm	0.55 kg	1.85 kg	St12	14 Bar	25 Bar	-30°C ~ +60°C	15 × 15 × 49 cm / pc	6.4 kg
6 kg	160 mm	430 mm	2.1 kg	8.5 kg	St12	14 Bar	25 Bar	-30°C ~ +60°C	16 × 16 × 51 cm / pc	8.8 kg
9 kg	182 mm	490 mm	3.25 kg	12.7 kg	St12	14 Bar	25 Bar	-30°C ~ +60°C	20 × 20 × 59 cm / pc	13.0 kg
12 kg	180 mm	600 mm	3.95 kg	16.45 kg	St12	14 Bar	25 Bar	-30°C ~ +60°C	20 × 20 × 69 cm / pc	17.0 kg

Manufacturing Excellence

Why Choose Weimin ABC Dry Powder Fire Extinguishers

Weimin manufactures ABC dry powder fire extinguishers through an integrated production system covering cylinder forming, welding inspection, powder filling, valve assembly, and pressure testing. Each production batch is traceable through coded identification records.

Cylinder Structure & Pressure Verification

Cylinders are made from Q235 steel using deep-drawing and longitudinal seam welding. Each unit undergoes ultrasonic inspection for weld defects above 0.2 mm, followed by hydrostatic testing at 2.5–3.0× working pressure (1.2–1.4 MPa) to verify sealing and deformation resistance.

Powder Filling Control

Mono-ammonium phosphate powder (75–90%) is filled with ±2% weight tolerance. Anti-caking silica (≤3%) is added to maintain flowability under vibration and humidity up to 85% RH, ensuring stable discharge through siphon tube without blockage.

Valve Assembly System

Brass or aluminum alloy valve heads with nitrile rubber seals maintain internal pressure above 1.2 MPa during storage. The mechanical pin structure directly releases nitrogen pressure to drive powder discharge without intermediate mechanical conversion stages.

Surface Coating & Corrosion Control

After welding and forming, cylinders are powder-coated at 180–200°C. Salt spray testing ≥48 hours is applied to evaluate corrosion resistance during maritime transport and long-term storage in humid environments.

Batch Traceability System

Each unit carries a batch code linked to steel origin, welding parameters, pressure test results, powder filling weight, and final inspection data, enabling full production traceability for procurement verification.

OEM Production Capability

OEM labeling is applied after coating curing to ensure adhesion stability. Packaging, markings, and pallet configurations are adjusted based on destination country fire safety regulations and logistics requirements.

How to Use

Fire extinguisher operation follows a mechanical pressure release sequence:

1 Pull safety pin to release valve locking mechanism

2 Aim nozzle at the base of the fire source where fuel combustion occurs

3 Press handle to open valve and release nitrogen-driven powder discharge

4 Sweep nozzle horizontally to maintain powder coverage over ignition surface

Effective discharge distance: 1.5–3 meters depending on cylinder pressure and nozzle design.

ABC dry powder extinguishers

Precautions

Dry powder extinguishing systems may experience performance degradation under specific physical conditions. Do not use in the following cases:

▪ Electrical equipment above 1000V without verified insulation clearance

▪ Confined spaces smaller than 2 m³ without post-discharge ventilation

▪ Metal fires involving reactive materials such as sodium or magnesium (Class D)

Pressure gauge must remain within operating zone (≥1.0 MPa equivalent at 20°C). Below this range indicates potential nitrogen leakage or seal degradation.

*Shelf life of extinguishing powder is typically 5 years under sealed and dry storage conditions.

Knowledge Base

Frequently Asked Questions

Can ABC dry powder extinguishers be used on electrical fires?

Yes. They are suitable for electrical equipment up to 1000V, where powder particles act as a non-conductive barrier to interrupt arc propagation.

What is the working pressure range?

Standard working pressure is 1.2–1.4 MPa at 20°C, verified through hydrostatic testing at 2.5 MPa minimum.

What causes discharge failure?

Typical failure modes include valve seal aging, powder compaction due to humidity >85% RH, or nitrogen leakage from weld micro-defects.

Can the extinguisher be refilled after use?

Yes. Cylinders are designed for recharge after depressurization, followed by valve inspection and pressure integrity testing.

What type of powder is used?

Mono-ammonium phosphate (75–90%) with anti-caking additives to maintain flow performance during discharge.

What inspection cycle is required?

Monthly pressure gauge inspection and hydrostatic testing every 3–5 years depending on local fire safety regulations.

Global Procurement

Request Technical Quotation

Weimin provides ABC Dry Powder Fire Extinguishers for industrial facilities, commercial buildings, warehouses, and fire protection system integrators requiring controlled pressure performance and batch traceability. For procurement evaluation, the following technical inputs are required:

▪ Required capacity (1kg–9kg portable / trolley systems available)

▪ Certification requirements (EN, CE, or local standards)

▪ OEM branding and labeling specifications

▪ Destination country fire code requirements

▪ Order volume and packaging configuration

*Technical datasheets, pressure test reports, and production specifications can be provided upon request.

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