Three-port, stainless steel barstock, single stage regulator with face seal connections
The CONCOA 428 Series regulator provides secondary pressure control for the
highest purity gases or other applications that require face seal
connections or point-of-use pressure control in high purity gas
distribution systems.
Features
- Metal-to-metal diaphragm seal prevents gas contamination
- CAPSULE® seat design features integral 360° filtration
- Butt-welded face seal connections provide the highest leak integrity available
- Front and rear panel mountable permits easy installation
- Spectrometric helium leak check verifies leak integrity
- Cleanroom assembly eliminates contamination at installation
- Captured vent capable bonnet prohibits exposure in the unlikely event of diaphragm failure
Specification
- 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
- Ports (bare body): 1/4 in face seal connection
- Conformances: Cleanliness meets or exceeds CGA G-4.1; ANSI/ASME B40.1; PED 2014/68/EU; CRN OH5216