The 12kV inflatable cabinet is maintenance-free and is suitable for places where the operating environment is not ideal such as ports, mountainous areas, and steel plants. At the same time, the inflatable cabinet is small in size, which is especially suitable for more developed areas .
Features:
1. The environmentally friendly gas N2 is used as an insulated conductor, which is safer and more environmentally friendly, with a fully enclosed, maintenance-free structure and low total cost.
2. Modular design, main bus expansion methods are divided into side expansion and top expansion, easy installation and flexible expansion. According to customer needs, any combination.
3. Intelligent design, advanced protection, control and monitoring functions, easy to realize distribution network automation.
4. Small size to meet the needs of miniaturized space.
5. Imported brand German Dikang authorized.
Good Parameter:
1.The air box is completely insulated with environmentally gas N2
2.The air box adopts a completely bare conductor without any compound insulation measures
3.Internal arcing (level AFLR) fault current 31.5kA, duration 1S
4.In the corrosion resistance test (salt spray test), the spray duration reached 168h;
5.Enclosure protection level: enclosure IP4X, compartment IP2XC, air box enclosure (304/3mm stainless steel plate) protection level IP67;
6.Mechanical life test: circuit breaker 20000 times (M2 level), three-station isolation/earth switch each 3000 times (M1 level);
7.Partial discharge test: the partial discharge volume is less than or equal to 10pC when the test voltage is 1.2Ur;
1. Altitude: ≤4000m (the equipment is fully insulated and sealed, applicable to high altitude areas.When the equipment is running at an altitude higher than 1000m, please make special note for pressure adjustment during manufacturing).
2. Surrounding temperature: -25 ~ +40℃ (the highest average daily temperature does not exceed 35℃).
3. Relative humidity: daily average is no more than 95%, and monthly average is no more than 90%.
4. Wind speed: no more than 35m/s.
5. Earthquake intensity: 8 degrees
6. Pollution level: level 2
7. Installation site: Without fire, explosion or violent vibration, well-ventilated and non-corrosive gas.
8. Ground slope: no more than 3°.
Note: If the use environment exceeds the above scope.Please contact us.
Q: Are you the SF6 ring main unit manufacturer or trader?
A: We are both manufacturer & trader. We have our own manufacturer named TIANYI TONGYI ELECTRIC CO.,LTD, who have 27 years experience in electric industry. It covers an totally area of 117,000 m2 with 300 employees, also is a qualified supplier of China National Nuclear Corporation(CNNC) and main supplier for State Grid & China Southern Power Grid.
Q: What is your after-sales service?
A: We always provide free online service and technical support within 24 hours. 18 months warranty for customers.
Q: What is your delivery time?
A: Normally 25~35days. It depends on the order quantity and season. We have very strong capacity to produce top quality products, please inquiry us if you have any questions.
Q: What is the quality warranty time?
A: We have quality certificate CCC, CQC, ISO9001, CE ... Meanwhile, we can provide 18 months warranty for our SF6 ring main unit products. Free online service and technical support within 24 hours is always provided to our customers.
Q: Do you accept ODM and OEM?
A: Yes. We have professional R & D teams to update and develop the latest technology. We also can support ODM or OEM SF6 ring main unit, please send us details drawing to discuss.
Q: What is your payment terms?
A: Generally there are two payment terms:
a) 30% advance payment via T/T as a deposit, balance 70% against the shipping documents
b) Irrevocable L/C at sight
Q: If I want to visit you, how to go?
A: Our factory is located in Luoyuan County, Fuzhou City. Details address is Songshan Area, Taiwan Investment Zone, Luoyuan County, Fuzhou City, Fujian Province,China.
a) The nearest airport is Fuzhou Airport, if you come by air, please arrive in Fuzhou Airport, it takes 1 hour from the airport to our factory
b) The nearest train station is Luoyuan Station, if you come by train, please arrive in Luoyuan Station, it takes only 5 minutes to our factory.
Anyway, please contact us in advance, we will send the car to the airport or train station to pick you up.Sincerely welcome you to come and visit us.
Q: Do you need agents?
A: Yes, we welcome you to be a partner. Welcome to contact us for more information.
