Flow Control Valve, Ball Valve, Check Valve,Slide Valve 1:Working Pressure:15Bar 2:Materials:Nickel-Plated Brass 3:O Ring:NBR IDST is a professional manufacturer of hydraulic quick couplings, pneumatic quick couplings and pneumatic fittings. The company has passed ISO9001:2000 quality management system certification. The product line of valves contain the brass valve flow control with swiveling, ...