Conduit Flame Retardancy Tester
The Conduit Flame Retardancy Tester is designed to evaluate the self-extinguishing performance of rigid electrical conduits and related fittings used in building installations.
According to different testing requirements, the equipment is available in Intelligent Type and Standard Type versions.
The tester determines the flame retardant behavior of specimens by applying a controlled flame for a specified duration based on material thickness, and assessing whether the material extinguishes itself after flame removal. It is suitable for laboratory and quality control testing of building electrical insulation conduits.
Applications
The Rigid Electrical Conduit Flame Retardancy Tester is widely used in the following application fields and test products:
(1) Building electrical conduits – PVC rigid conduits, insulation sleeves
(2) Electrical installation accessories – conduit fittings, couplings, elbows
(3) Construction materials testing – flame retardant evaluation of plastic components
(4) Electrical product manufacturers – quality control and product certification
(5) Testing laboratories and inspection institutes – compliance testing
(6) Research institutes and universities – material flame retardancy research
Standards
The tester complies with or is designed with reference to the following standards:
(1) IEC 61386-1 – Conduit systems for electrical installations – General requirements
(2) IEC 61386-21 – Conduit systems for electrical installations – Rigid conduit systems
(3) GB/T 20041.1 – Electrical conduit systems for electrical installations – General requirements
(4) GB/T 20041.21 – Rigid conduit systems for electrical installations
(5) UL 94 – Tests for flammability of plastic materials (reference method)
Features
Intelligent Type – Features
(1) Painted steel combustion chamber, aesthetic and corrosion-resistant
(2) Chamber dimensions: 650 mm × 400 mm × 1100 mm
(3) All specimen holders made of stainless steel, durable and corrosion-resistant
(4) Imported standard burner with 9 mm Bunsen nozzle
(5) Adjustable burner angle: 90° and 45°
(6) Flame height: horizontal 100 mm; blue flame 50 mm
(7) Automatic timing and data storage; timer accuracy 0.1 s
(8) PLC control with 7" touch screen for intelligent operation
(9) Automatic data recording, storage, and report generation
(10) Imported pressure gauge and regulating valve for stable gas pressure
(11) Imported needle valve for precise flame height control
(12) Automatic ignition and automatic flame extinguishing
(13) Flame height measuring ruler included
(14) Test time and flame application time programmable via touch screen
(15) No manual stopwatch required; test time automatically recorded and stored
Standard Type – Features
(1) Painted steel combustion chamber, aesthetic and corrosion-resistant
(2) Chamber dimensions: 650 mm × 400 mm × 1100 mm
(3) Stainless steel specimen holders
(4) Imported standard burner with 9 mm Bunsen nozzle
(5) Adjustable burner angle: 90° and 45°
(6) Flame height: horizontal 100 mm; blue flame 50 mm
(7) Imported pressure gauge and regulating valve
(8) Imported needle valve for stable flame control
(9) Manual ignition with stopwatch timing
(10) Flame height measuring ruler included
Technical Parameters
| Item | Specification |
|---|---|
| Tester Type | Intelligent / Standard |
| Chamber Dimensions | 650 × 400 × 1100 mm |
| Burner Type | Standard Bunsen burner |
| Burner Nozzle Inner Diameter | 9 mm |
| Burner Angle | 90° / 45° adjustable |
| Flame Height (Horizontal) | 100 mm |
| Blue Flame Height | 50 mm |
| Timing Accuracy | 0.1 s |
| Control System (Intelligent Type) | PLC + 7" Touch Screen |
| Ignition Method | Automatic (Intelligent) / Manual (Standard) |
| Gas Pressure Control | Imported pressure gauge and regulating valve |
| Power Supply | AC 220 V, 50/60 Hz |
| Safety | Grounded power socket |
FAQ
(1) What is this product?
It is a flame retardancy testing instrument used to evaluate the self-extinguishing performance of rigid electrical conduits and fittings.
(2) What is this product used for?
It determines whether electrical conduits extinguish themselves after flame exposure under specified test conditions.
(3) Why is this product important?
Self-extinguishing performance is critical for electrical installation safety and fire risk reduction in buildings.
(4) What products can be tested with this instrument?
Rigid PVC conduits, insulation sleeves, electrical conduit fittings, and similar building electrical components.
(5) What types of testers are available?
Intelligent Type with PLC touch screen control and Standard Type with manual operation.
(6) How is the test performed?
A controlled flame is applied to the specimen for a specified time, then removed to observe flame extinguishing behavior and timing.
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