Shenzhen CNC engraving machine, engraving machine, high-ray machines vacuum suction system (air) configuration: 1, a liquid ring vacuum pump (more than one) (imported parts, joint venture production) 2, with stainless steel cooling system. 3, with an intelligent automatic control system, man-machine interface. 4, a gas tank (depending on pump size configuration) 5, pneumatic valve automation. 6, chip fluid collection system (discharge once every three minutes) 2BV5131-OKC00-7P liquid ring vacuum pump Model 2BV5131-OKC00-7P maximum rated power of 11 KW gas 400 M3 / h fluid flow 0.9 M3 / h Weight 194 KG noise 73 dB Features: 1.100% oil-free design, conducive to environmental protection; 2. run smoothly, the noise can be as low as 62 db; 3. Direct coaxial pump design, easy installation; 4. unique design makes zero-maintenance equipment ; 5. Using an air ejector vacuum down to 10mbar; 6. Optional material: entire pump stainless steel; 7. Standard configuration: mechanical seals and stainless steel impeller; 8.2BV family of configurable closed cooling units, air units, tank unit