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- Calibration Gas Regulators
- DR490 Series Vacuum Actuated Regulator - Aluminum
Product Description
This simple-to-use regulator makes calibration quick and easy by eliminating the need for sample bags, syringes, canisters, flow meters, or special operator training. Simply connect to the calibration gas cylinder, and from the instrument sample pump inlet to the outlet of the regulator.
Applications
Ideal for use with instruments that utilize a sample pump to draw the calibration gas. The regulator provides the exact amount of gas that the instrument pump requires.
Design Features
• Two stage regulator for stable output
• Vacuum actuation pressure – 3” H2O
• Standard model supplied with C10 in, 3/16” hose barb out
Part Number* | Actuation Pressure Range |
Maximum Flow | Cylinder Pressure Gauge |
SEQDR492AVCGAH | -3"H2O to -30"H2O | 3 slpm | 0-3000 psi |
*Note: where CGA is replaced by the actual CGA number. Some CGA limitations may apply.
Materials of Construction
• Body: Aluminum
• Bonnet: Aluminum
• Diaphragm: Viton
• Piston Seals: Viton
• Piston: 303 SS
• Main Valve Seat: Viton and Teflon
Specifications
Maximum Inlet Pressure: 3000 psi (20,700 kPa)
Porting (Regulator Body): 1/4” FNPT
Porting (Outlet Body): 1/8” FNPT
Flow Capacity: Up to 3 slpm @ 3” H2O