Smith5017 series mechanical quantitative flowmeter is the quantitative control meter which is  used for  some special occasions such as explosion-proof  or without power supply , it adopts the mechanical control principle, achieve automatic quantitative group of control materials development function; It's material is 316 L stainless steel or other material , can quickly manual control, It's  connecting forms  : threaded connections, flange connection, KaGuShi, etc.
It can choose Size, pressure, temperature, flow rate according to the technical conditions of common flowmeter