日本Yamada山田定量阀KGK-404M This system can be easily designed to best suit the intended use by simply connecting an automatic metering valve that is activated by an air signal and a three-way air valve that sends the air signal. In addition, the equipment is compact and lightweight, making it easy to incorporate into other equipment. Please use a three-way air valve with good workability, such as a hand valve or foot-operated valve. It can also be electrically controlled by using a three-way solenoid valve. Grease (Oil) Adhesives (Fluorine resin packing specification only) 0~50 mL,Various Suitable Pumps Product No. Model Pump Ratio 881108 SR140P38PWAL-F 38×1 881111 SR140P38PWAL-T 881112 SR140P50PWAL-F 50×1 881115 SR140P50PWAL-T 881122 SKR110A50PAL