... used in election industry,vacuum drying,filter ,steep,coating,jointing,smelt and lab equipment field. It could ... used in election industry,vacuum drying,filter ,steep,coating,jointing,smelt and lab equipment field.Technical parameters Mode ... 2XZ-0.5 2XZ-1 2XZ-2 2XZ-4 2XZ-8 2XZ-15 suction speed( ... L/S)0.5124815lowest pressure≤(Pa)6.0×10 -26.0×10 -26.0× ...