Products Address: http://www.gdnashvacuum.com/product/showproduct.php?lang=cn&id=112 2BV 6131 water ring vacuum pump structure as a whole line of single-stage pump. Gland seal, simple structure, easy installation, no oil, security, reliability, and the like. 2BV series water ring vacuum pump for wet steam and gas extraction. Suction pressure can reach 33mbar absolute pressure (vacuum 97%), in the state when the pump suction pressure below 80mbar permanent pipe should be connected to a vacuum pump cavitation protection, such as an air ejector suction pressure up to 10 mbar allocation. Ejector vacuum suction, can be installed directly in the mouth, as the compressor, the maximum pressure up to 0.26MPa (absolute pressure).