Products Address: http://www.gdnashvacuum.com/product/showproduct.php?lang=cn&id=117 when the compressor work, maximum pressure to 0.26MPa. And the higher the discharge pressure of the compressor power is large. So it is necessary for the discharge pressure of the data is provided to select the appropriate motor. 2BV2 explosion, 2BV6 series water ring vacuum pumps and compressors mainly for pumping explosive gas or working in flammable and explosive environment. Each type of technical parameters are the same or equivalent type 2BV5 2BV2 products. 2BV series stainless steel pump can be used with anti-corrosion or clean under demanding conditions. According to case work, all in the liquid flow (pump casing, pump cover, port plate, and impeller) is composed of a variety of materials, stainless steel pump components Bellows: SUS304 (0CR18NI9), SUS316 (the 0Cr17Ni12Mo2), SUS316L ( Materials 00Cr17Ni14Mo2 in) shaft is steel 2Cr13 or 0Cr18Ni12Mo2Ti John Crane mechanical seal products and the use of the seal material is optional FPM or PTFE.