UPR-7 Series
High Purity Pressure Reducing Regulator

UPR-7 Series High Purity Pressure Reducing Regulator
  • Wetted material of construction: 316L Stainless Steel, Hastelloy® C-22 optional
  • Seat: Kalrez®, Tefzel®, Viton®, or Teflon®
  • Outlet Working pressures: 10, 25, 50, 100, 250 and 500 psig
  • Cv: 1.1
  • Volume: Less than 9cc
  • Surface finish: 25 Ra (standard) 
  • Connections: Male or female VCR (1/4, 3/8, 1/2, 3/4); 1/4 internally machined
  • Leakage: 1 x 10-9atm cc/sec maximum
  • Proof Pressure: 2 times working pressure
  • Burst Pressure: 4 times working pressure
  • Weight: 3.2 pounds (1.45 Kg)
  • Mounting: Surface or panel (see Outline and mounting dimensions)

Maximum Temperature & Operating Inlet Pressures

up to 100 psig Outlet Pressure

Seat Material

Maximum Temperature*

Maximum Operating Inlet Pressure

Teflon® 150º F (66º C) @ 1000 psig (6.90 MPa)
Tefzel®   175º F (80º C) @ 3600 psig (24.82 MPa)
PCTFE 175º F (80º C) @ 3600 psig (24.82 MPa)
PEEK 250º F (121º C) @ 3600 psig (24.82 MPa)
Viton® 250º F (121º C) @ 300 psig (2.07 MPa)
Kalrez® 250º F (121º C) @ 300 psig (2.07 MPa)

* Temperatures in excess of 175º F (80º C) require the use of a metal knob or the Tamper Proof option

0 - 250 psig Outlet Pressure (Hand Knob)

Seat Material

Maximum Temperature*

Maximum Operating Inlet Pressure

Teflon® 150º F (66º C) @ 500 psig (3.45 MPa)
Tefzel®   175º F (80º C) @ 500 psig (3.45 MPa)
PCTFE 175º F (80º C) @ 500 psig (3.45 MPa)
Viton® 250º F (121º C) @ 300 psig (2.07 MPa)
Kalrez® 250º F (121º C) @ 300 psig (2.07 MPa)

* Temperatures in excess of 175º F (80º C) require the use of a metal knob or the Tamper Proof option

0 - 250 & 0 - 500 psig Outlet Pressures (T Handle or Tamper Proof)

Seat Material

Maximum Temperature*

Maximum Operating Inlet Pressure

Teflon® 150º F (66º C) @ 1000 psig (6.90 MPa)
PEEK 250º F (121º C) @ 3600 psig (24.82 MPa)

* Temperatures in excess of 175º F (80º C) require the use of a metal knob or the Tamper Proof option



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