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DF-A Type Fiber Air-Screen Analyzer

I. Overview The DF-A Fiber Air-Screen Analyzer is designed and manufactured in accordance with the relevant requirements specified in Appendix A—Air-Screening Test Method for Fibrous Materials, Appendix O—Air-Screening Analysis Test Method for Fibrous Mineral Fibers, and Appendix P—High-Temperature and Abrasion-Resistant Performance Test Method for Fibrous Mineral Fibers, as outlined in the transportation industry standard JT/T 533-2020 “Fibers for Asphalt Pavements.” The instrument employs a negative-pressure sieving method to perform fiber screening tests, thereby ensuring that the fibers used in asphalt pavements meet quality standards. II. Instrument Features 1. It features an industrial touch-screen control interface that is intuitive and easy to operate. 2. Both the measurement and control systems are independently developed, offering flexible selection of modes and screen mesh specifications to ensure accurate screening results. 3. The screening time and negative pressure can be set arbitrarily within the instrument’s specified ranges. 4. The instrument is equipped with a dedicated rotary nozzle that provides uniform air supply to aggregated screening materials, effectively dispersing them and preventing particle agglomeration, thus achieving precise screening. 5. The transparent screen cover allows real-time monitoring of the screening process. 6. It comes with a high-quality negative-pressure source and a dedicated waste-collection device, ensuring a stable negative pressure supply necessary for efficient screening. 7. The instrument has a compact structure and a small footprint, making it easy to move and transport. 8. It is versatile and can be equipped with different screen meshes to perform screening on other materials as well. III. Technical Parameters 1. Screen diameter/aperture: 200 mm / 0.15 mm 2. Negative-pressure range/accuracy: 0–6000 Pa (recommended operating range: 0–4500 Pa) / 1 Pa 4. Factory-set negative pressure: 3000 Pa 5. Nozzle rotation speed: 20 r/min ± 5 r/min 6. Timing range: (0–99) minutes 59 seconds 8. Power supply: 220 V ± 5% / 50 Hz

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Fiber Testing Instruments

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I. Overview

DF-A type The fiber air-sieve analyzer is designed in accordance with transportation industry standards. The instrument, designed and manufactured in accordance with the requirements of “Appendix A—Air-Screening Test Method for Fibrous Fibers,” “Appendix O—Air-Screening Analysis Test Method for Fibrous Mineral Fibers,” and “Appendix P—High-Temperature and Abrasion-Resistance Performance Test Method for Fibrous Mineral Fibers” in JT/T 533-2020 “Fibers for Asphalt Pavements,” employs negative pressure. Screening The method for completing the fiber Screening Testing to ensure the quality requirements for fibers used in asphalt pavements.

II. Instrument Features

1. It features industrial touchscreen control with an intuitive and simple operating interface.

2. The measurement and control systems are all independently developed, with optional modes and screen mesh specifications to ensure screening accuracy.

3. The screening time and negative pressure can be set arbitrarily within the instrument’s specified range.

4. The instrument is equipped with a dedicated rotary nozzle, which can deliver concentrated... Screening material Uniform gas supply has effectively dispersed the screened material and eliminated particle agglomeration, enabling precise screening.

5. A transparent mesh screen cover allows real-time monitoring of the screening status.

6. Equip with a high-quality negative-pressure source and a waste-sorting and recycling device to ensure a stable supply of negative pressure required for the sorting process.

7. Compact structure, small size, and easy to move.

8. Multi-purpose—can be equipped with different sieves to perform screening of other materials.

III. Technical Parameters

1. Screen mesh Diameter /Aperture ：200mm / 0.15mm

2. Negative Pressure Scope / Accuracy ：0~ 6000 Pa (recommended normal usage range: 0) ~4500 Pa ) /1Pa

4. Factory-set negative pressure: 3000 Pa

5, Screen nozzle rotation speed: 20 rpm ± 5 rpm

6、 Timing range: ( 0 ∼ 99) 59 seconds

8、 Working power supply: 220V ±5%/50Hz
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JJYMX-IA Fiber Oil Absorption Tester

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