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Teflon tube for transformer
- Categories:Common problem
- Author:Miss PTFE tube
- Origin:Miss PTFE tube
- Time of issue:2001-07-10 15:21
- Views:
Teflon tube for transformer
- Categories:Common problem
- Author:Miss PTFE tube
- Origin:Miss PTFE tube
- Time of issue:2001-07-10 15:21
- Views:
Teflon tube for transformer
Teflon tube product features
1. High chemical stability: can withstand all strong acids, including aqua regia, hydrofluoric acid, concentrated hydrochloric acid, nitric acid, fuming sulfuric acid, organic acids, etc., strong alkalis, strong oxidants, reducing agents and various organic solvents . It is very suitable for feeding high-purity chemicals.
2. Low coefficient of friction: The coefficient of friction is generally only 0.04, which is a very excellent self-lubricating material, and the coefficient of friction does not change with changes in temperature. 3
3. Excellent anti-sticking property, and the inner wall of the tube is not easy to adhere to colloids and chemicals.
4. Excellent aging resistance, can be used outdoors for a long time.
5. Excellent electrical insulation performance: PTFE is a highly non-polar material with good dielectric properties, great resistance, and a dielectric constant of about 2.0, which is the smallest among all electrical insulation materials.
6. Part of the tube has high transparency, and the internal fluid condition can be easily observed.
The transformer bushing is the main insulation device outside the transformer box. The lead wires of the transformer windings must pass through the insulating bushing to insulate between the lead wires and between the lead wires and the transformer shell, and at the same time play the role of fixing the lead wires.
Due to the different voltage levels, insulating bushings include pure porcelain bushings, oil-filled bushings and capacitor bushings. Pure porcelain bushings are mostly used in transformers of 10kV and below. It is to wear a conductive copper rod in the porcelain bushing, and the porcelain bushing is air-insulated; oil-filled bushings are mostly used in 35kV transformers, which are filled with oil in the porcelain bushing. , Wear a conductive copper rod in the porcelain bushing, and the copper rod is covered with insulating paper; the capacitive bushing is used on high-voltage transformers above 100kV. It consists of a main insulating capacitor core, outer insulating upper and lower porcelain parts, connecting sleeves, and oil pillows. , Spring assembly, base, equalizing ball, measuring terminal, terminal block, rubber gasket, insulating oil, etc.
With the development of my country's power industry, power supply has increased year by year, and power transformers have gradually developed in the direction of high voltage and large capacity. At the same time, due to the improvement of manufacturing technology, the insulation distance of each part of the transformer product is gradually reduced. In this way, the capacitor bushing as a matching product of the transformer has stricter requirements on its appearance and size.
At present, many transformer bushings use Teflon tube, because Teflon has excellent performance, meets the insulation conditions required by transformers, and is resistant to high temperature, corrosion, acid and alkali, and friction.
Shenzhen DanKai Technology Co., Ltd. (ShenZhen DanKai Technology Co.,ltd.), whose predecessor is Dongguan Dandi Insulation Material Co., Ltd. Fluoroplastic Material Factory, established in 1998, specializes in FEP, PFA, PTFE and other fluoroplastic pipes R&D, production and sales of rod, sheet and film products and other insulating materials. The company has a senior R&D team with international standards and a production line of fluorine plastic products imported from abroad. Some fluoroplastic products have passed ISO9001, SGS, FDA certification, and have been fully affirmed by domestic and foreign cooperative customers such as Huawei, Foxconn, Midea, ZTE, Intel, and AirTAC. The main products of the company are: ①Tubes: Ptfe tube, Fep tube, Pfa tube, Pvdf tube; ②Heat shrinkable tube: Ptfe heat shrinkable tube, Fep heat shrinkable tube, Pfa heat shrinkable tube, Pvdf heat shrinkable tube; ③Plate rod Membrane: Ptfe board and rod film, Fep board and rod film, Pfa board and rod film, Pvdf board and rod film; ④Insulation materials: silica gel, PE, PVC, UPE, etc.; ⑤Special category: PFA imported connector, spiral tube, spring tube , Rotary cut tube, welding rod, tee, straight-through, gasket, joint, taper rod, flared tube, sealing tube, braided tube, bellows, etc. At the same time, fluorine plastic products of various specifications can be customized and processed according to customer requirements.
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