Greentech International (Zhangqiu) Co., Ltd. is a professional supplier of vacuum pumps, offering high-quality and reliable solutions for various industrial applications. The 2BV6 131 model is a kinetic vacuum pump designed for efficient gas and steam extraction. It is available in different materials, including cast iron or stainless steel, to suit specific operational requirements. This pump is driven by an electric motor and follows the 2BV series specifications, with an HS code of 8414.
The 2BV6 131 is a rotary vacuum pump, typically painted in blue for easy identification. It can be connected via belt or direct drive, depending on the application. The product is branded under Greentech, and it originates from China.
The 2BV series water ring vacuum pumps are ideal for environments where high vacuum levels are required. They can achieve a suction pressure of 33 mbar (ABS), equivalent to 97% vacuum. When using transformer oil as the operating liquid, they function as oil ring vacuum pumps, reaching up to 6.7 mbar (ABS), or 99% vacuum. This makes them a suitable replacement for reciprocating vacuum pumps. However, when operating near the maximum vacuum for extended periods, it's essential to install a cavitation protection pipe to prevent noise and protect the pump from damage.
These pumps can also operate as compressors, with a maximum discharge pressure of 0.26 MPa (ABS). The higher the discharge pressure, the more power the motor requires, so providing accurate pressure data is crucial for selecting the appropriate motor. The 2BV2-Ex and 2BV6 series models are specifically designed for use in explosive or flammable environments, with technical parameters matching those of the 2BV2 or 2BV5 series.
For applications requiring corrosion resistance or cleanliness, the 2BV series stainless steel pumps are an excellent choice. The wetted parts—such as the pump casing, cover, port plate, and impeller—are made from various grades of stainless steel, including SUS304, SUS316, and SUS316L. The shaft is made of 2Cr13 or 0Cr18Ni12Mo2Ti, while the mechanical seals are sourced from John Crane, with options for FPM or PTFE materials.
The 2BV series features several design advantages, including a compact, close-coupled structure that saves space and simplifies installation. Standard mechanical seals from John Crane ensure reliability and performance. A cavitation protection port is integrated into the design, automatically opening when the pump operates near its maximum vacuum limit to reduce noise and protect the unit.
The aluminum bronze impeller enhances durability and wear resistance, improving the pump’s ability to handle abrasive media. When combined with stainless steel components, these pumps can perform in even more demanding conditions. The unique discharge port design helps prevent overpressure and ensures optimal efficiency across the pump’s working range.
All motors used in the 2BV series are from the Y2 series, featuring an IP54 or IP55 protection rating (standard IP44) and an F insulation class. High-quality bearings from reputable brands like NTN or NSK further enhance the pump’s longevity and performance.
A high-resolution image of the 2BV6 131 Water Ring Vacuum Pump is available for reference, showing the product in detail. This pump is a versatile and robust solution for a wide range of industrial vacuum and compression needs.
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