Laboratory Gas Regulator, Single Stage 590 CGA

EW-98202-66
$1,189.00 USD/EACH

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  • Designed for laboratory research using mildly corrosive gases
  • Diaphragm packless valve promotes system purity
  • Threadless seat design provides longer life
These stainless steel one- and two-stage high-purity regulators are designed for non-corrosive analytical, mildly corrossive and process applications requiring precise, stable delivery pressure control. A diaphragm packless outlet valve with a 1/4" compression tube fitting allows flow control and maintains system purity.


Single-stage regulators feature a convoluted stainless steel diaphragm seal that provides excellent regulating characteristics and allows for internal vacuum purging



Dual-stage regulators feature a a convoluted Hastelloy® C-22 diaphragm seal that prevents contamination by eliminating the need for a soft seal and provides a leak-rate design of less than 2 x 10–8 ccs helium. The two-stage models yield a delivery pressure change of less than 0.04/100 psi inlet change.

Max psi (inlet) 4000
Process connection 1/4" Swagelok®
Min operating temperature (º C) -40
Max operating temperature (º C) 74
Min operating temperature (º F) -40
Max operating temperature (º F) 165
Materials of construction 316 SS body & filter; SS gauges; Ni-plated brass bonnet; PCTFE® seat; Hastelloy C-22 diaphragm; SS outlet valve
Max Delivery Pressure (psig) 60
CGA fitting 590
Capacity (SCFH) 1250
Product Type High Purity Gas Regulators
Brand Cole-Parmer
Manufacturer number Y11 C444B590





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