Dwyer PHP

The unit provides output pressures up to 600 psi (40 bar) or vacuum down to -28.5″ Hg (-0.960 bar). The reliable pump reaches 100 psi in 4 strokes. Model PHP is fitted with a fine adjustment valve for precise volume control and an adjustable stroke to provide over pressure protection.

Model PHP includes a 39″ (1 m) hose with a 1/4″ female NPT quick fit connector. The optional service kit includes seals, O-rings, retaining screws and an Allen key.


  • Output Ranges: -28.5″ Hg to 600 psi (-0.960 to 40 bar).
  • Process Connection: 1/4″ female NPT (quick fit).
  • Gage Connection: 1/4″ female NPT.
  • Materials: Nickel plated brass, anodized aluminum, and nylon.
  • Weight: 1.4 lb (0.65 kg).