CHEMICAL STABILITY BY SEALED GLASS TUBE METHOD

Key Features

• Glass Tube Design:

  • High-quality sealed glass tubes with rounded bottom, ideal for refrigerant-lubricant testing.

• Refrigerant Charging Assembly:

  • Metal manifold for 4 samples, equipped with vacuum pump, manometer (3′ length), pressure gauge, high vacuum gauge, valves, and filling ports.

• Tube Sealing Assembly:

  • Includes blow pipe gun, adjustable manifold fixture, gloves, safety shield, pressure gauge, flashback arrestor, and double-stage high-pressure regulator for safe sealing.

• Tube Opening Assembly:

  • Designed for safe and convenient opening of sealed glass tubes for post-test analysis.

• Flexible Tubing:

  • High-quality PVC or rubber tubing for sealing operations.

• Dewar Flask for Liquid Nitrogen:

  • Made from 304 AISI stainless steel, 2 mm thick with PUF insulation for efficient cooling.

• Aluminum Block for Ageing:

  • Holds 12 tubes for uniform heating during ageing tests.

• Ageing Oven:

  • Cross-flow circulatory oven with digital temperature controller, capable of operating up to 250°C.

• Power Supply:

  • 230 V ±10%, 1 Phase, 50 Hz

Technical Highlights

• Temperature Control: Digital PID for precise ageing conditions

• Capacity: Up to 12 tubes simultaneously

• Vacuum System: High vacuum gauge and pump for accurate refrigerant charging

• Safety: Includes pressure control, shielding, and safety regulators

Applications

• Evaluation of lubricant-refrigerant compatibility

• Chemical stability testing for metal components in refrigeration systems

• Ideal for HVAC industry, lubricant manufacturers, and research labs