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CONCOA 428 Series | Face Seal Point-of-Use Regulator | 1/4 in Face Seal, Stainless Gauge
The CONCOA 428 Series provides secondary or point-of-use pressure control for the highest purity gases and other duties that call for face seal connections. A 2 in stainless steel gauge is part of the specification. It is configured to order, so the delivery range, gauges, inlet and outlet connections and any options are selected at the time of ordering.
- Butt-welded face seal connections
- Captured vent capable bonnet
- Maximum inlet pressure (bare body): 3000 PSIG (210 BAR)
- Body: 316L stainless steel barstock; bonnet: chrome-plated brass barstock
- Diaphragm: 316L stainless steel; seat: PTFE
- Filter: Patented 10-micron 316 stainless steel mesh
- Helium leak integrity 1 x 10⁻⁹ scc/sec; Cv 0.1
- Specifications
- Downloads
| Ordering code | Configured to order |
| Brand | CONCOA |
| Series | 428 Series |
| Max inlet pressure (bare body) | 3000 PSIG (210 BAR) |
| Body | 316L stainless steel barstock |
| Bonnet | Chrome-plated brass barstock |
| Gauge | 2 in (50 mm) diameter stainless steel |
| Seat | PTFE |
| Filter | Patented 10-micron 316 stainless steel mesh |
| 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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