CONCOA 405 Series Regulator
The CONCOA 405 Series four-port brass regulator provides secondary pressure control for ultra-high purity inert gases, ideal for point-of-use applications and precise delivery to instruments. It allows accurate monitoring and adjustment of outlet pressure while maintaining high gas purity.
Features
Metal-to-metal diaphragm seal to prevent contamination
CAPSULE® seat with integrated 360° filtration
Pressure ranges from 0–15 PSIG up to 0–500 PSIG
Front and rear panel mountable for flexible installation
Pipe-away relief valve for safe venting
Cleanroom-assembled to eliminate installation contamination
Captured vent-capable bonnet prevents exposure in the unlikely event of diaphragm failure
Helium leak integrity verified
Specifications
Maximum inlet pressure: 3000 PSIG (210 BAR)
Body and bonnet: Brass barstock
Gauge: 2 in (50 mm) brass
Seat: PTFE; Filter: 10‑micron sintered bronze
Temperature range: -40° to 140 °F (-40° to 60 °C)
Diaphragm: 316L stainless steel; Cv: 0.1 (≤50 PSIG/3.5 BAR) or 0.2 (>50 PSIG/3.5 BAR)
Internal seals: PTFE; Ports: 1/4 in FNPT
Helium leak integrity: 1×10⁻⁹ scc/sec
Conformances: CGA G-4.1, ANSI/ASME B40.1, PED 2014/68/EU, CRN OH5216
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Features & Benefits
• Resistant to dezincification
• Lightweight, compact, and straightforward to install and operate
• Enhanced leak protection
• Increased durability against damage during installation
• Available in sizes ranging from 1/2" to 2"
• WRAS approved for use in hot and cold water systems up to 85°C
• Compliant with BS EN 13547 standards
Specification
• UK End Connection: BS EN 10226-2:2005 (previously BS21 Taper)
• US End Connection: ANSI B1.20.1:1983
• Operator Type: Lever
• Specification: DZR Brass (CW602N) Body Ball Valve, adhering to BS EN 13547. This valve features a two-piece construction, a floating stainless steel SS304 ball, an anti blow-out stem, PTFE seats, and threaded ends with a PN25 rating.
• WRAS approved
• Suitable for use with Group 2 Gas, Group 1 and Group 2 Liquids as defined by the Pressure Equipment Directive 2014/68/EU, as amended.
• Not suitable for Group 1 Gases or unstable liquids.
Pressure/Temperature Rating
• Operating range: -10 to 100°C at 25 Barg
• At 120°C: 21.8 Barg
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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.