The UBA Rotary Valve Style Dispensing Pumps are
     designed for dispensing  medium to high  viscosity
   liquid, gel or the liquid contain particles.

Precise micrometer volume adjustment and built-in speed
 control system ensures dispensing accuracy and plunger motion
   speed control, by which the pumps are suitable for different
   working condition. Typical accuracy is within ±0.5.

Complete 316 stainless steel pump construction.

 P4-R series pumps have special pneumatic-electric
  control unit with  forward position sensor. The plunger
  may return automatically after complete dispensing stroke.
  Patent build-in speed control unit makes the pump more
  compact. Reliable pneumatic-electric valve ensure
   no air leakage.