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NA4 Series Changeover Pressure Regulator

NA-4 Series Changeover System is designed to ensure a continuous supply of carrier and calibration gases with no interruption due to supply depletion or change out. Complete systems can include CGA connections, hoses, check valves, purge valves, pressure switches, alarms, etc. Ideal for petrochemical analyzer sampling systems, gas delivery systems, laboratories and welding gases.

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Maximum Inlet Pressure
3000 psig / 207 bar
Outlet Pressure Ranges
0-30, 0-60, 0-100, 0-150, 0-200, 0-300, 0-500, 0-750, 0-1000 and 0-1500 psig / 0-2.1,0-4.1, 0-6.9, 0-10.3, 0-13.8, 0-20.7, 0-34.5, 0-51.7, 0-68.9 and 0-103 bar
Body Material
Brass, 316 Stainless Steel
Seat Material
Teflon® (Regulators), CTFE (Valves)
Diaphragm
(Outlet Option 0-5): 316 Stainless Steel
O-Rings
(Outlet Option 6-9): Buna-N
Friction Sleeve
Inner: Teflon®
Outer: 316 Stainless Steel
Remaining Parts
Brass, 316 Stainless Steel
Operating Temperature
-40°F to 165°F / -40°C to 74°C
Flow Capacity
Cv = 0.06
Weight (approximate)
10 lbs / 4.5 kg
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NA4 Series Changeover Pressure Regulator

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