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TESCOM™ CR441800 Series Changeover Pressure Regulator
CR441800Series is a compact, high pressure changeover system which combines the changeover regulator and a line regulator into a compact wall mount system for general purpose and industrial gases.
It provides continuous low flow of gas from two high pressure sources. Ideal for use in analyzer carrier gas and laser resonator gas applications.
TESCOM™ CR441800 Series Changeover Pressure Regulator


Maximum Inlet Pressure
3500 or 6000 psig / 241 or 414 bar
Maximum Delivery Pressure
Seven maximum delivery pressures from 500 to 2000 psig / 34.5 to 138 bar
Body: Brass, 316 Stainless Steel, or Nickel-plated Brass
Bonnet: 300 Series Stainless Steel, Brass, or Nickel-plated Brass
Valve Seat: Vespel®
O-Ring: FKM
Remaining Parts
Brass and 300 Series Stainless Steel
Operating Temperature
-15°F to 165°F / -26°C to 74°C
Port Size & Type
1/4 NPTF
Flow Capacity
Cv = 0.06
3 lbs / 1.4 kg
Additional Information
For custom modifications or a complete system solution, please contact your local sales office.


  • Maximum inlet pressure: 3500 or 6000¬†psig / 241 or 414 bar
  • Seven maximum delivery pressures from 500 to 2000¬†psig / 34.5 to 138 bar
  • Designed to provide a continuous flow of gas for applications requiring stored gas supplies
  • Available in 316 Stainless Steel or Brass
  • Based on TESCOM's field-proven 44-1800 regulator


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