Valve Fire Resistance Test Stand Valve Pressure and Fire Resistance Combustion Test Machine JB/T 6899-1993 Valve Fire Resistance Test Machine
S8058XValve fire resistance testing machine
1、 Scope of application
The valve fire resistance testing machine is used to conduct fire resistance tests on valves under pressure, in order to verify the pressure performance of valves during and after the fire resistance test.
2、 Execution standards
The valve fire resistance testing machine is mainly designed and produced according to the relevant test standards of "ISO 10497-2004 Valve Testing - Fire Resistance Test Requirements for Valves", "ISO FDIS 19922 Fire Resistance Test Bench Requirements", "ISO FDIS 19921 Fire Resistance Test Methods", and "JB/T 6899-1993 Valve Fire Resistance Test", and is suitable for various valve combustion fire resistance tests.
3、 Test box pipeline system
1) Real time monitoring of inlet and outlet temperatures during the experiment.
2) One inlet pressure gauge and one internal pressure gauge for the test pipeline, with a scale accuracy of 1%.
3) One set of pressure regulating device, equipped with a pressure regulating device at the inlet end, with adjustable water pressure.
4) The inlet and outlet pipelines are equipped with shut-off valves to prevent backflow of water. 5) One set of pipeline sealing device.
6) All pipelines are installed with DN25 stainless steel pipes.
7) One system booster pump with adjustable water pressure to 1.2Mpa, mainly controlling the inlet pressure inside the pipeline.
8) One set of clamping tube fixing test tube device.
9) One set of sample refrigeration device, the test reaches the set combustion time, automatically stops burning, and cools the sample with water spray, while monitoring the time required for the temperature to drop from 800 ℃ to 80 ℃ in real time.
10) Refrigeration timer: 0~99.99 (h/m/s), accurate to 0.1 seconds. 11) Install an exhaust system at the top of the test chamber.
12) Test chamber capacity: width x height x depth: 800 x 700 x 500mm.
4、 Control system
1) The gas flow rate is controlled by a flow meter, with one flow meter ranging from 0.5 to 5 L/min. The medium is propane and the accuracy is 2%;
2) The diameter of the valve fire resistance testing machine's spray nozzle is 35mm, with a total of 8 nozzles (with an inner diameter of 1mm), controlled separately in groups of 4. The combustion angle and direction can be adjusted freely, and the spacing between each nozzle can be adjusted between 80mm and 120mm;
3) The placement of the blowtorch is 2 rows horizontally and 4 rows vertically;
4) The height of the blue flame is 55mm, the total height of the flame is 175mm, and the flame size is adjustable; 5) Automatic ignition function;
6) Gas: propane with a purity of not less than 95% (self provided); 7) Timer: 0~99.99 (h/m/s), accurate to 0.1S, combustion time can be set freely;
8) There are 6 sets of temperature testing points for the test samples, of which 2 sets are calorimeter blocks with adjustable positions, and the temperature display adopts a switching display mode;
Main products:
Our main products are divided into combustion, environmental, mechanical and other testing instruments, targeting industries such as wires and cables, plastics, building materials, electrical appliances, etc
Cable plastic combustion type: VW-1 combustion chamber; UL94 plastic horizontal and vertical combustion testing machine; Plastic combustion testing machine; Coal mine cable combustion testing machine; Single wire and cable vertical combustion testing machine (with temperature measuring type//ventilated kitchen); Hot wire testing machine; Needle flame testing machine; Leakage tracing testing machine; Cable and optical cable integrity combustion testing machine, wire and cable smoke density testing machine, wire and cable smoke production characteristic tester, heat release tester, and power dry-type transformer combustion performance testing device; Valve fire resistance testing machine, hose fire resistance testing machine, hose combustion testing machine, automotive interior material combustion testing machine; Wire and cable combustion testing laboratory; Wire and cable bundle combustion testing laboratory; Valve fire resistance combustion testing machine; Surface combustion durability testing machine for automotive fuel pipelines; Hanging type alcohol spray lamp combustion testing machine (plastic pipe and conveyor belt flame resistance testing machine for underground coal mines); Automotive wire combustion testing machine; Measurement device for halogen acid gas release; Aircraft material combustion testing machine; Digital oxygen index tester, etc
2. Environmental/temperature testing equipment: ventilation type (forced ventilation) aging chamber; Wire natural ventilation aging box; Hot extension oven; Aging test chambers of various sizes; Low temperature test chamber; Constant temperature and humidity chamber. Oxygen bomb (air bomb) aging box
3. Conventional testing equipment for wires and cables: CCC certified testing instruments; UL complete set of testing and inspection equipment; Essential testing equipment for obtaining a production license; Ventilation aging testing machine; Wire winding testing machine; Wire twisting and winding testing machine; Wire and cable bending testing machine; Wire elongation testing machine; Tensile testing machine; Wire and cable power frequency spark testing machine; Cross linked cable slicer; Planer (plastic slicer); Wire double head grinding machine; UL wire sample grinding machine; Dumbbell punching machine; Dumbbell knife; Wire printing wear-resistant testing machine (printing module); Constant temperature oil bath; Water bath apparatus (constant temperature water bath); Plastic specific gravity meter; Optical measurement microscope; Large section conductor resistance fixture; Automotive wire scratch resistance testing machine; Automotive wire abrasion resistance tester with sandpaper.
Sixuan Instrument undertakes customized non-standard testing equipment of various types
PS: Due to network publishing restrictions, many prices are similar to 666999888, 1999188, etc., which are not the sales prices of our products. Please contact our sales personnel by phone to confirm the technical parameters and corresponding prices. We hope for your understanding and thank you