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Greentech International (Zhangqiu) Co., Ltd. is a professional supplier of vacuum pumps, offering high-quality and reliable solutions for various industrial applications. Our product line includes the 2BV series water ring vacuum pumps, which are ideal for handling gases and steam. These pumps can achieve a suction pressure of up to 33 mbar (ABS), equivalent to a 97% vacuum level. When using transformer oil as the operating fluid, they function as oil ring vacuum pumps, capable of reaching a suction pressure of 6.7 mbar (ABS), or 99% vacuum. This makes them a suitable replacement for traditional reciprocating vacuum pumps.
When operating under conditions close to the maximum vacuum, it's essential to connect a cavitation protection pipe to prevent noise and protect the pump from damage. During compression operations, the maximum discharge pressure can reach 0.26 MPa (ABS). The higher the discharge pressure, the greater the required motor power. Therefore, providing accurate discharge pressure data is crucial when selecting the appropriate motor.
The 2BV2-Ex and 2BV6 series pumps are specifically designed for use with explosive gases or in flammable environments. Their technical specifications match those of the 2BV2 or 2BV5 series products. For applications requiring corrosion resistance or cleanliness, our stainless steel 2BV series pumps are an excellent choice.
The materials used in the wet parts of the pump—such as the casing, cover, port plate, and impeller—are available in different grades of stainless steel, including SUS304 (0Cr18Ni9), SUS316 (0Cr17Ni12Mo2), and SUS316L (00Cr17Ni14Mo2). The shaft is made of 2Cr13 or 0Cr18Ni12Mo2Ti, while mechanical seals are sourced from John Crane, with options for FPM or PTFE materials.
Key features of the 2BV series include:
- A compact design that saves space and simplifies installation.
- Standard use of John Crane mechanical seals for reliability.
- A cavitation protection port that activates under near-vacuum conditions to reduce noise and protect the pump.
- An aluminum bronze impeller that offers high strength and wear resistance, enhancing the pump’s durability.
- A unique discharge port design that prevents overpressure and ensures optimal performance within the working range.
- Motors from the Y2 series, with IP54/IP55 protection ratings (standard IP44) and F-class insulation.
- High-quality imported bearings from NTN or NSK brands for long-lasting operation.
Whether you need a standard vacuum pump or one designed for harsh environments, Greentech provides tailored solutions to meet your industrial needs. Our commitment to quality and innovation ensures that every product delivers exceptional performance and reliability.
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Ningbo Maixun International Trade Co., Ltd , https://www.nbmachinery.com