CONCOA 483 Series Regulator
Four-Port, Brass Barstock, High Flow Pipeline Regulator for High Purity Inert Gas Applications
The CONCOA 483 Series regulator is designed for high flow inert gas applications, including bulk gas distribution, high purity chamber pressurization, and liquefied hydrocarbon analysis. Its internal pressure equalization minimizes delivery pressure variations typical in pipeline systems. Rated to full cylinder pressure, the 483 Series ensures safe operation even in the event of primary pressure control failure.
Features
Balanced stem seat design maintains constant delivery pressure at high flows
Rear panel mount simplifies installation
Pipe-away relief valve safely vents exhaust gases
Spectrometric helium leak check confirms leak integrity
Specifications
Max inlet pressure (bare body): 3000 PSIG (210 BAR)
Body: Brass barstock
Bonnet: Chrome-plated, die-cast zinc
Gauge: 2 in (50 mm) diameter brass
Seat: PCTFE
Filter: 40‑micron 316L stainless steel mesh
Temperature range: -40°F to 140°F (-40°C to 60°C)
Diaphragm: 316L stainless steel
Cv: 1.0
Helium leak integrity: 1×10⁻⁸ scc/sec
Internal seals: PTFE
Ports (bare body): 1/2 in FNPT (inlet/outlet); 1/4 in FNPT (gauge/relief valve)
Conformances: CGA G‑4.1, ANSI/ASME B40.1, PED 2014/68/EU, CRN OH5216
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NABIC 500T Combined Pressure & Temperature Relief Valve
FSHRADH - Rupture Disc Holder for Reverse Acting Discs
Introducing the FSHRADH Rupture Disc Holder for Reverse Acting Discs, engineered to deliver exceptional reliability for your rupture discs. Our expertly designed disc holders are intended for installation between flanges, featuring an internal diameter that accommodates the full opening of the disc while ensuring optimal transmission through a minimal discharge area. Additionally, the external tangent diameter is tailored to align effortlessly with the bolt positioning, simplifying centring between flanges. Each disc holder also includes two stainless steel assembly plates for added durability.
Specifications
- Compatible with Discs: FSSCR, FSY90, FSKRD
- Available Sizes: 3/4" (DN20) to 4" (DN100)
- Materials Used: Carbon steel, Stainless steel (316L), Alloy 201, Alloy 400, Alloy 600, Alloy C276, Titanium, Tantalum
- Linings: Yes (PTFE or glass fibre reinforced PTFE)
- Accessories: Nipples, T connections, excess flow valve, pressure gauge
To request a rupture disc, please download our Rupture Disc Request Form. Once completed, kindly send it to sales@flowstar.co.uk.
Reliance RWC 12 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar With Bracket - XVES050045
Introducing our Stainless Steel Expansion Vessel for potable water applications, the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel. This expertly designed vessel efficiently accommodates the additional load within a water system as the water heats and expands. Crucially, it helps maintain safe operating levels by preventing pressure build-up in both sealed heating systems and cold water systems. Featuring a replaceable membrane, the vessel safeguards the water from corrosion and contamination, ensuring it remains safe for human consumption. The replaceable membrane also allows for straightforward servicing without the need for removal, enabling quick and efficient maintenance in situ.
Features and Benefits:
- Durable stainless steel bolted flange that resists corrosion
- Extra-wide membrane opening to minimise noise from restricted flow
- Internal membrane ensures no water contacts the steel shell, preventing internal corrosion
- Available in a wide range of sizes from 2 to 5000 litres, catering to all applications
- All models come with a replaceable membrane for easy servicing without removal
- Pre-charge valve for convenient air pressure adjustment
- Designed for use with hot and cold water only
Specifications:
- Capacity: 12 Litres
- Colour: White
- Pre-Set Pressure (Bar): 3
- Maximum Pressure (Bar): 10.0
- Minimum Temperature: -10°C
- Maximum Temperature: 99°C
- Height: 295mm
- Diameter: 280mm
- Water Connection: 3/4" MBSP
- Miscellaneous: Supplied complete with wall bracket accessories
- Product Code: XVES050045
Materials:
- Shell: Epoxy Coated Shell
- Membrane: EPDM
- Bolted Flange: Stainless Steel
Standards and Approvals:
- WRAS approved for up to 1000 litres
- CE marked in accordance with Directive PED 97/23/CE
- TUV Certified
- Materials for 1000 - 5000 litre models comply with BS 6920
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.