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CONCOA 412 Series | Two Stage Brass Regulator | Brass Barstock, 3000 PSIG Inlet
The CONCOA 412 Series is a two stage brass barstock regulator for primary control of ultra-high purity inert gases. Its steady delivery as the cylinder empties makes it suitable for feeding analytical instruments. The 412 Series has no single part number: outlet pressure range, gauges, connections and options are chosen when the ordering code is built. Choices named by CONCOA include 3500 or 4500 PSIG inlet ratings and factory options for single station manifold use with or without purge, a low-pressure alarm or multiple inlets.
- Metal-to-metal diaphragm seal
- Pipe away relief valve for safe venting
- Maximum inlet pressure (bare body): 3000 PSIG (210 BAR); 3500 PSIG (240 BAR) optional; or 4500 PSIG (310 BAR) optional
- Body: Brass barstock; bonnet: brass barstock
- Diaphragm: 316L stainless steel; seat: PCTFE (first stage); PTFE (second stage)
- Filter: 10-micron sintered bronze
- Helium leak integrity 1 x 10⁻⁹ scc/sec; Cv 0.1
- Specifications
- Downloads
| Ordering code | Configured to order |
| Brand | CONCOA |
| Series | 412 Series |
| Max inlet pressure (bare body) | 3000 PSIG (210 BAR); 3500 PSIG (240 BAR) optional; or 4500 PSIG (310 BAR) optional |
| Body | Brass barstock |
| Bonnet | Brass barstock |
| Gauges | 2 in (50 mm) diameter brass |
| Seat | PCTFE (first stage); PTFE (second stage) |
| Filter | 10-micron sintered bronze |
| Temperature range | -40°F to 140°F (-40°C to 60°C) |
| Diaphragm | 316L stainless steel |
| Cv | 0.1 |
| Helium leak integrity | 1 x 10⁻⁹ scc/sec |
| Internal seals | PTFE |
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