Rock
Aggregate
Cement
Concrete
Soil
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Bitumen/Asphalt
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General Items
INDEX APPARATUS (FLOW COEFFICIENT OF FINE AGGREGATES) AZA0975
The AZA0975 Flow Coefficient Index Apparatus is a precision laboratory instrument designed to measure the flow coefficient of fine aggregates, such as natural sand and crushed sand. This test helps evaluate workability, particle shape, and grading, which are critical factors in concrete and mortar mix performance. The apparatus is manufactured in compliance with IS 2386 (Part I) and is widely used in civil engineering laboratories and construction quality control departments.
Key Features
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Measures flow coefficient of fine aggregates
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Fully compliant with IS 2386 (Part I)
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Evaluates workability and particle shape characteristics
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Supplied as a complete set: funnel, stand, cylinder, and base plate
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Precision-machined components for consistent results
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Corrosion-resistant, durable construction
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Easy manual operation for laboratory and field use
Description
Importance of Flow Coefficient Test
The flow coefficient indicates how easily fine aggregates flow under gravity through a standardized funnel:
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Lower values generally indicate better-rounded, more workable sand
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Higher values suggest angular, flaky, or poorly graded particles
This directly affects water demand, cement consumption, workability, and final strength of concrete.
Components Supplied
Complete AZA0975 kit includes:
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Precision-machined conical funnel
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Heavy-duty metal stand
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Cylindrical measuring container
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Base plate for stable setup
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User manual
Technical Specifications
| Parameter | Specification |
|---|---|
| Model No. | AZA0975 |
| Product Name | Flow Coefficient Index Apparatus |
| Applicable Standard | IS 2386 (Part I) |
| Funnel Angle | 60° ± 0.5° |
| Funnel Material | Powder-coated mild steel / Aluminum |
| Cylinder Capacity | As per IS specifications |
| Base Plate | Metal / glass, corrosion-resistant |
| Typical Footprint | Approx. 300 × 150 mm |
| Operation | Manual |
| Usage | Fine aggregate flowability testing |
Applications
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Concrete mix design laboratories
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Construction material QC departments
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Sand and aggregate suppliers
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Academic and research institutions
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Field testing during construction projects
FAQ
Q1: What is AZA0975 used for?
It is used to determine the flow coefficient (flowability) of fine aggregates such as sand.
Q2: Does this comply with IS standards?
Yes, it is fully compliant with IS 2386 (Part I).
Q3: Can it be used for all types of fine aggregates?
Yes, it can be used for natural sand, crushed sand, and manufactured sand.
Q4: Is assembly required?
The apparatus is supplied in easy-to-assemble parts with full instructions.
Q5: How often should it be checked for accuracy?
A periodic check every 6 months is recommended for high-precision laboratories.
Related products
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Key Features
- Measures crushing strength of coarse aggregates
- Conforms to IS:2386 (Part IV) and BS 812 standards
- Precision-machined steel cylinder and plunger
- Heavy-duty, corrosion-resistant construction
- Supplied with complete accessories for immediate testing
AGGREGATE IMPACT TESTER WITH BLOW COUNTER AZA0983
The AZA0983 Aggregate Impact Tester with Digital Blow Counter is a precision-engineered laboratory apparatus used to determine the Aggregate Impact Value (AIV) of coarse aggregates. It is designed to evaluate the toughness and resistance of aggregates used in road pavements, highways, and structural concrete.
This equipment is manufactured for durability, accuracy, and long service life, and is fully compliant with IS:2386 (Part IV) and BS 812 standards.
Key Features
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Determines Aggregate Impact Value (AIV) for pavement materials
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Integrated digital blow counter for accurate strike counting
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Conforms to IS:2386 (Part IV) and BS 812
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Heavy-duty, vibration-resistant frame
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Cylindrical steel cup and standard impact hammer
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Key Applications
- Road and highway material testing
- Railway ballast quality assessment
- Concrete mix design durability testing
- Civil engineering research & academic laboratories
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Key Functions
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- Simulates real-life impact and wear suffered by aggregates
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JAW CRUSHER AZA0990
Key Applications
- Crushing of rocks, minerals & hard aggregates
- Soil and geotechnical laboratories
- Cement plants and construction R&D labs
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- Mining and metallurgical laboratories
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- Floor-Standing Design with stainless-steel working table for strength and easy operation
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- Rugged Construction for long-term laboratory and industrial use
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Purpose of Testing
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