Catalog D37
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- Model 3120 Series - Dual Stage Purity Brass Regulator (This Page)
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Description
The Model 3120 Series is a new product being offered for use on Gas Chromatographs and other scientific instruments. The Model 3120 Series regulators have been designed with a reduction in the internal dead space of the regulator and a reduction in the quantity of non-metal parts. The dual stage design of the product ensures accurately delivered pressures over the usable life of cylinder gases.The Model 3120 Series regulators are recommended for use in applications requiring high purity delivery of gases in a non-corrosive environment. These applications typically include use of the regulators for high purity carrier gases, calibration standards and GC applications using PID, HID or ECD detection methods. The reduced dead space of the regulator and the reduction in non-metal parts ensures high purity control of gases. The Model 3120 Series is compatible with gases that are non-corrosive in nature and gases that are compatible with the materials in the process stream.
Features
- B16 Brass Barstock construction
- Equipped with an outlet diaphragm valve with compression tube fitting
- Metal to metal seals throughout
- Bonnet threaded for panel mounting as standard
Specifications
| Maximum Inlet Pressure: | 3000 psig (20,700 kPa) |
|---|---|
| Maximum flow Rate (At 2500 psig, N2): | Model 3121: 70 CFH (30 LPM) Model 3122: 300 CFH (130 LPM) |
| Flow Coefficient (Cv): | 0.05 |
| Operating Temperature: | -40 to 165 °F (-40 to 74 °C) |
| Porting: | 1/4" NPT female |
| Porting Configuration: | 2 high, 2 low |
| Materials of Construction | |
|---|---|
| Body: | B16 Brass Barstock |
| Bonnets: | B16 Brass Barstock |
| Diaphragms: | 316 Stainless Steel |
| Seats: | 1st Stage—PFA PTFE 2nd Stage—TFE PTFE |
| Seals: | Metal to Metal |
| 3120 Series - Dual Stage Purity Brass Regulator | ||||
| Part No. | Flow Rate | Quantity In Stock |
Price EA |
Order |
|---|---|---|---|---|
| 3121 | 70 CFH | DISCONTINUED | --- | --- |
| 3122 | 300 CFH | DISCONTINUED | --- | --- |
| * Call for availability. | ||||
Ordering information.
International (non-US) prices available through your
local dealer.
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Copper Tubing Flexible 1/8" copper is a convenient, non-permeable means of supplying GC carrier gas, Helium for sparging HPLC reservoirs, detector gas supplies, etc.
SNOOP® SNOOP is recommended for use in leak testing any pressurized gas system such as air, argon, nitrogen, helium, etc.