Disposable Fluid Path Solder Paste Screw Valve HS2000S HS2000R No Motor Reversal Needed SMT Dispensing Valve for Solder Paste Dispensing Product Introduction The Solder Paste Screw Valve HS-2000S and HS-2000R are high-precision disposable fluid path screw valves professionally designed for solder paste dispensing and viscous material dispensing scenarios. As core SMT dispensing valve equipment, this solder paste screw valve adopts an innovative integrated disposable fluid