UPR-1 Series
High Purity Pressure Reducing Regulator

UPR-1 Series High Purity Pressure Reducing Regulator
  • Wetted material of construction: 316L Stainless Steel, Hastelloy® C-22 optional
  • Seat: Tefzel®, Kel-F® or Vespel®
  • Outlet Working pressures: 10, 25, 50, 100, 250 and 500 psig
  • Cv: 0.025, 0.06, 0.20, 0.50
  • Volume: Less than 5cc
  • Surface finish: 25 Ra (standard)
  • Connections: Male or female VCR (1/4, 3/8, 1/2); 1/4 internally machined
  • Leakage: 1 × 10-9atm cc/sec maximum
  • Proof Pressure: 2 times working pressure
  • Burst Pressure: 4 times working pressure
  • Weight: 1.9 pounds (0.86 Kg)
  • Mounting: Surface or panel (see Outline and mounting dimensions)

Maximum Temperature & Operating Inlet Pressures

Seat Material Maximum Temperature* Maximum Operating Inlet Pressure
Tefzel® 150º F (66º C) @ 3600 psig (24.82 MPa)
High Density Teflon® 150º F (66º C) @ 3600 psig (24.82 MPa)
PCTFE 175º F (80º C) @ 6000 psig (41.37 MPa)
Polyimide 500º F (260º C) @ 3600 psig (24.82 MPa)
175º F (80º C) @ 6000 psig (41.37 MPa)
PEEK 500º F (260º C) @ 3600 psig (24.82 MPa)
175º F (80º C) @ 6000 psig (41.37 MPa)


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