Model 340PS and Model 340PSL positive-displacement dispensing valves are for fluid dispensing. Sequenced piston actuation dispenses a shot-to-shot volume; is accentuated in applications that require precise dispense volume repetition. Are effective with materials that are shear sensitive, extremely high or low in viscosity, possess tacky or stringy characteristics, or have drifting viscosities due to limited pot life. 340PS is best suited for shot volumes from 0.004 mL to 0.180 mL. 340PSL offers shot size capability up to 1.200 mL. Both are available with polyurethane, flexible polyethylene, or Teflon tubing. Feature over-stroke adjustment.
 
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