US Tuthill Group, is headquartered in Chicago, has a century-old family business and multinational corporations, by nearly a hundred years more than 150 in the petroleum and petrochemical, food and medicine, municipal environmental protection, energy, power, aerospace, shipbuilding, engineering machinery, etc. industry, providing a fluid mechanical and control equipment R & D, manufacturing and services, has accumulated rich experience. A detailed description of the single-stage rotary piston vacuum pumps 1.KT Model KT-170LP KT-150C KT275LP KT300D KT505LP KT-500D KT-840VFP KT850D 2.KC and KTC two-stage rotary piston vacuum pump model KC-5 KC-8 KC-15 KTC-21 KTC-60 KTC-112 3.KD and KDH single-stage double rotary piston vacuum pump model KD-30 KD-50 KDH-130 KDH-150 4.SDV variable pitch dry screw vacuum pump models SDV120 SDV200 SDV320 SDV430 SDV800 SDV1500 SDV2700 5.KDP Isometric dry screw vacuum pump model KDP-150 KDP-330 KDP-400 KDP-800 6.KMBD Roots vacuum models KMBD200 / 400 KMBD540 KMBD720 KMBD850 KMBD1200 KMBD1600 KMBD2000 KMBD2700 KMBD2900 7.KLRC liquid ring vacuum pump model KLRC-40 KLRC-75 KLRC-100 KLRC-125 KLRC-200 KLRC-300 KLRC-525 KLRC-526 8.KVA / KVAH series single-stage rotary vane vacuum pump models KVA12 KVA21 KVAH25 KVAH25 KVAH40 KVAH63 KVAH100 KVAH160 KVAH250 9.KVAC series two-stage rotary vane vacuum pump Model KVAC-2 KVAC-5 KVAC-10 KVAC-15 KVAC-21 KVAC-33 KVAC-63 10.A & T series liquid ring vacuum pump model A2 A5 A10 A15 A20 A75 A100 A200 A300