Deval abrasion testing machine

The Deval Abrasion Testing Machine is designed to measure the wear resistance of stones and aggregates under dry or wet conditions. It provides reliable evaluation of anti-friction and anti-impact properties, helping to assess aggregate quality for construction and engineering applications. The instrument is widely used in laboratories, quality control units, and research institutions for stone and aggregate testing according to both national and international standards.

Application

(1) Measurement of stone and aggregate wear resistance in highway, railway, and civil engineering projects.

(2) Evaluation of construction materials including crushed stone, gravel, and mineral aggregates for durability and impact resistance.

(3) Testing of decorative stone materials and natural stones for flooring, paving, and façade applications.

(4) Comparative study of dry versus wet abrasion resistance for aggregates.

(5) Quality control in aggregate production plants and laboratories.

(6) Material research and development in universities and research institutes focusing on stone and mineral durability.

Standards

(1) JTG 3432-2024: Aggregate Test Regulations for Highway Engineering, Ministry of Communications, China.

(2) NF P: French Standard for stone abrasion testing.

(3) NS EN : European Standard for mechanical and physical properties of aggregates.

(4) AASHTO T327-2012: Standard Test Method for Deval Abrasion of Coarse Aggregate.

(5) ASTM D6928-10: Standard Test Method for Abrasion Resistance of Coarse Aggregate (Deval Method).

(6) CSA A23.2-23A: Canadian Standard for Deval Abrasion of Aggregates.

(7) CSA A23.2-29A: Canadian Standard for Wear Testing of Aggregates.

(8) UNE 83115: Spanish National Standard for abrasion resistance of aggregates.

Features

(1) Standard Compliance: Fully complies with national, European, French, American, Canadian, and Spanish standards.

(2) Reliable Abrasion Testing: Measures stone and aggregate wear resistance under dry and wet conditions.

(3) High Precision Cylinder: Stainless steel cylinder ensures uniform abrasion and durability.

(4) Adjustable Testing Parameters: Cylinder revolution can be set from 0 to 999,999 revolutions with automatic stop.

(5) Easy Operation: Simple assembly and intuitive operation suitable for laboratory and field use.

(6) Durable Construction: Robust design ensures long-term stability and minimal maintenance.

Parameters

Parameter	Specification
Power supply	AC 220V, 50Hz, 1kW
Stainless steel test cylinder	Inner diameter 200mm ±1mm, length 154mm ±1mm, wall thickness 3mm
Flat cover thickness	8mm
Ball diameter	10mm ±0.5mm
Cylinder speed	100 r/min ±5 r/min
Cylinder revolution	0–999,999 revolutions, adjustable with automatic stop
Test sample	Stones, aggregates, minerals
Operation mode	Dry and wet abrasion testing

Accessories

(1) Stainless steel test cylinder

(2) Flat cover

(3) Steel balls (abrasion media)

(4) Power cable

(5) User manual

Test Procedures

(1) Place the stone or aggregate sample inside the stainless steel test cylinder.

(2) Add the specified number of steel balls to the cylinder.

(3) Secure the flat cover on the cylinder.

(4) Connect the machine to the power supply and set the desired cylinder speed and revolution count.

(5) Start the machine and allow the cylinder to rotate for the set number of revolutions.

(6) Upon completion, remove the sample and steel balls.

(7) Clean and dry the sample, then weigh it to calculate the abrasion rate.

(8) Record the results and compare with standard values for quality assessment.

Maintenance Information

(1) Regularly inspect the cylinder, cover, and steel balls for wear or damage.

(2) Clean the cylinder and balls after each test to avoid contamination.

(3) Check the motor and electrical connections periodically to ensure safe operation.

(4) Lubricate moving parts as needed according to the manual.

(5) Store the machine in a clean, dry environment when not in use.

(6) Follow safety protocols to avoid injury during operation and maintenance.

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