Product categories

Mobile communication technology represented by 5G is being closely integrated with AI and big data, opening a new era of interconnection of all things, and will become the most important technological direction in the next decade. Then 5G communication equipment such as antenna units, tower top electronic equipment, base station power supplies, small base stations, tower top sensors, digital remote systems, cabinets, ODF unit boxes, RRU units, etc. are getting higher and higher protection. For the requirements of dust and high temperature resistance, the waterproof and breathable products developed by PUW Puwei Company for 5G communication equipment have been well recognized, and mainly have the following characteristics: 1. Balance pressure relief: PUW waterproof and breathable products relieve pressure through balance, allowing the flowing air to pass through the waterproof membrane to reduce the stress of the shell seal. 2. Water and dust resistance: PUW waterproof and breathable products can continuously block liquids, insects, salt, sand and other pollutants, protect sensitive electronic components and improve their stability. 3. Convenient installation: PUW waterproof and breathable products have a variety of designs and sizes, including threaded, snap-on and adhesive-backed. Can be easily installed in any housing design. 4. Reduce costs: PUW waterproof and breathable products extend the service life of the product by balancing pressure relief, blocking water and dust, without the use of stronger sealing rings, additional bolts or other fixing solutions. 5. Industry standards: PUW waterproof and breathable products have been tested for reliability to meet extremely harsh environmental applications. The products have passed ISO9001 certification. The PUW protection products used in 5G communication equipment are as follows: IPX7 waterproof membrane IPX8 microporous membrane PAM12*1.5-10 PUWM12*1.5-10 PAM5*0.8-4

With the development of new energy vehicles, motors, as the core drive systems of new energy vehicles, face harsh working conditions and changes in non-viral air tightness, which affect the performance of the entire vehicle. 1. Use high temperature resistant materials to cope with harsh working conditions; 2. Pressure relief and ventilation, release the air pressure generated by changes in motor working conditions, to avoid damage to precision components; 3. Dustproof, reduce condensation, and balance the pressure (stress) inside and outside the motor cavity; 4. The excellent design structure solves the safety problems caused by the sudden increase of internal pressure during the work of the electric drive; 5. Realize customization and diversified designs to meet customer needs. Motor application Puwei protective venting products: 1. PUW Puwei provides protective venting products for many automobile motor manufacturers and vehicle manufacturers. The products have been strictly tested by automobile motor manufacturers and the vehicle manufacturers have been trained in harsh environments. Practice has proved that the quality is reliable and durable. 2. PUW Puwei matches different solutions according to the focus of the application environment of auto parts.

Automobile fuel tanks, fuel pumps, battery packs (some brand packs contain silicone oil), mechanical oil systems, generators, reducers, gearboxes, gearboxes and automobile linkage parts need to be sealed and ventilated to ensure normal operation or prolong life. However, ordinary waterproof and breathable valves cannot be effective when the equipment is running or moving! To why? Because ordinary waterproof breathable valves cannot continue to breathe after contact with oil. Based on this, Puwei's R&D team conceived from the material and structure, and combined the actual situation to develop a breathable valve that can effectively prevent splash oil and breathe. The product is equipped with double oil-proof measures: the first filter protection can block excessive oil splashing and use external pressure and gravity to filter the oil back to keep it transparent after filtration; the second oil phobic protection uses pu The oleophobic properties of the micro-water-permeable and breathable membrane ensure that a small part of the oil can still maintain a certain amount of air permeable to solve the problem of air-tight and air-permeable oil environment. Video of our company's oil-proof waterproof and breathable membrane -------------------------------------------------- --------------------------------- Features of Puwei Anti-splash Oil Breathing Valve 1. Balance the pressure difference between inside and outside the cavity 2. Double filtration and oil resistance to ensure normal ventilation after oil contact 3. Waterproof and dustproof, effectively prevent dust and water from entering 4. The protection level reaches IP68 5. Metal material, high and low temperature resistance, strong corrosion resistance -------------------------------------------------- --------------------------------- Anti-oil pressure relief valve Automobile fuel tank, fuel pump New energy battery pack PACK Engine, reducer, gearbox, gear box Fuel line and automobile linkage parts Mechanical oil system Silicone oil and other oil environment

The pickup is a device used to collect the sound of the live environment and then transmit it to the back-end equipment. It is composed of a microphone (microphone) and an audio amplifier circuit. For outdoor pickups, it is inevitable that they are exposed to harsh environments with high humidity or dust. The sealing and waterproof capabilities of the equipment are essential to ensure the safe operation and longevity of the equipment. In response to these problems, PUW Pu Wei has developed a special waterproof membrane for pickups that is not only waterproof, dustproof, but also sound and breathable. PUW waterproof membrane pickup solution: 1. Develop a special PUW waterproof membrane for customers of pickups to provide a series of applications including electronics, acoustics and protection, including waterproof, moisture-proof, filtration, sound transmission, and ventilation. 2. Provide adequate protection under extreme heat, cold, wind and rain conditions 3. IPX7 protection, no water ingress for 30 minutes at a depth of 1 meter! 4. While the waterproof performance is improved, the sound loss is controlled to the minimum range PUW waterproof membrane application advantages: 1. The waterproof membrane of the pickup has the function of minimizing the sound loss during the sound transmission process To 2. The thickness of the PUW waterproof membrane is different for different pickup structures. To 3. Extremely strong adhesive, which can be applied in harsh environments. To 4. Different styles and sizes of waterproof membranes for pickups can be made according to customer requirements.

The issue of car battery safety has always been a hot topic in our country. At present, the explosion-proof valve developed and designed by Puwei Company is an explosion-proof, waterproof and breathable product designed for automobile battery packs and battery boxes, which has successfully solved the problem of automobile battery explosion. It has been widely used in batteries such as pure electric vehicles, hybrid vehicles, new energy hybrid vehicles, and hybrid vehicles to promote the rapid development of automotive batteries. Characteristics of PUW explosion-proof valve: To 1. The pressure difference can be quickly balanced on the basis of meeting the IP67 protection level. To 2. Directly communicate with the outside when the burst pressure value is reached. To 3. When the cavity pressure is less than the burst pressure value, it can be used repeatedly. 4. The metal shell has strong corrosion resistance and long service life. Puwei's protective products for automotive battery applications are as follows: PBALM20*1.5-15 PB20AM20*1.5-10 PBALM20 oil-proof pressure relief balance valve PBA4K-50 explosion-proof valve

With the development of science and technology, in recent years, a new product category-drones has "fired". From aerial news, remote sensing surveying and mapping to agricultural plant protection, the use of drones is becoming more and more popular. However, during the flight, the UAV will face strong pressure difference and rain washout conditions, which need to be sealed and breathable to ensure its normal operation or extend its life. In response to these problems, PUW Pu Wei has developed a special air-permeable membrane for drones that can not only breathe quickly but also be waterproof, dust-proof and corrosion-resistant. UAV waterproof special PUW breathable membrane solution: 1. Develop special PUW breathable membranes for UAV market customers to improve waterproof, moisture-proof, anti-corrosion and breathability functions; 2. Provide adequate protection under extreme working conditions, such as high temperature, dampness, coldness, wind and rain; 3. Continuously ventilate, quickly balance the pressure difference between the inside and outside of the cavity to ensure its flight stability and safety; 4. Keep the cavity dry to prevent the flight equipment from being corroded and oxidized, causing other hidden dangers such as poor contact; 5. PUW breathable membrane provides customization for drones, which is convenient and quick to install and disassemble. 1. Waterproof and breathable protection level reaches IP67 or above 2. High air permeability, balanced pressure 3. Reduce and avoid the high temperature caused by internal heat generation and damage the quality of the product itself 4. Extend the service life of the product 5. Block salt crystals, greatly reduce product problems caused by salt corrosion 6. Allow water vapor to leak out, reduce fogging and condensation 7. Quickly and easily install on the shell of various materials Usually the drone control system has an air pressure, which determines the altitude of the aircraft by the ambient air pressure. Therefore, while achieving waterproofing, the drone must also be connected to the external air pressure, air-permeable and waterproof, so many people are now unmanned The machine will use PUW breathable membrane for internal and external pressure communication.