CONCOA 304 Series Regulator
The CONCOA 304 Series is a three-port, chrome-plated brass, single-stage point-of-use regulator designed for high-purity, non-corrosive, or liquefied gases (up to grade 5.5). It provides secondary or final-line pressure control, reducing delivery pressure in a single step. Its durable construction and high-purity compatibility make it a cost-effective solution for applications that can tolerate minor outlet pressure fluctuations as cylinder supply decreases. Maximum inlet pressure is 3000 PSIG (210 BAR) or higher, depending on configuration.
Features:
316L stainless steel diaphragm prevents inboard diffusion
CAPSULE® seat with 360° integral filtration
Low wetted surface area reduces purge requirements
Rear panel mount simplifies installation
Helium leak-tested for integrity
Specifications:
Max inlet pressure: 3000 PSIG (210 BAR)
Body: Chrome-plated brass barstock; Bonnet: Chrome-plated die-cast zinc
Gauges: 2" (50 mm) plated case
Seat: PTFE; Filter: 10-micron sintered bronze
Temperature range: -40°F to 140°F (-40°C to 60°C)
Cv: 0.1; Diaphragm: 316L stainless steel
Helium leak integrity: 1 × 10⁻⁸ scc/sec
Internal seals: PTFE; Ports: 1/4" FNPT
Compliance: Meets/exceeds CGA G-4.1, PED 2014/68/EU, ANSI/ASME B40.1, CRN OH5216
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Flowstar (UK) Ltd
Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom
Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.