CONCOA 420 Series Line Regulator
The CONCOA 420 Series four-port, single-stage line regulator features SilcoNert® 2000-treated wetted surfaces for reactive or corrosive gases, providing stable primary or secondary pressure control. Ideal for ultra-pure, inert, or trace reactive gases like hydrogen sulfide, mercury, and nitric oxide, the regulator offers a metal-to-metal diaphragm seal, CAPSULE® seat with 360° filtration, cleanroom assembly, and front/rear panel mounting. Rated for up to 3000 PSIG (4500 PSIG optional), with SilcoNert® 2000 body, bonnet, diaphragm, and filter, PTFE seat and seals, 1/4 in FNPT ports, Cv 0.1, and helium leak integrity of 1×10⁻⁹ scc/sec. Conforms to CGA G-4.1, PED 2014/68/EU, ANSI/ASME B40.1, and CRN OH5216.5R2. Operating temperature: -40°F to 140°F (-40°C to 60°C).
Other Products and Services from Flowstar (UK) Ltd
CONCOA 492 Series Regulator
Six-port, chrome-plated brass, single-stage regulator for ultra-high pressure applications
The CONCOA 492 Series regulator delivers primary pressure control for non-corrosive gases in high-purity, ultra-high-pressure applications. Instead of a diaphragm, it employs a robust piston assembly to safely manage extreme inlet pressures. Factory-installed options allow configuration as a single-station manifold, with or without purge, low-pressure alarm, or multiple inlets.
Features:
Large piston sensor controls pressures up to 6000 PSIG (415 BAR)
CAPSULE® seat with integral 360° filtration
Front and rear panel mount simplifies installation
Helium leak integrity verified via spectrometry
Specifications:
Max inlet pressure: 3000 PSIG (210 BAR); 5500 PSIG (380 BAR); 6000 PSIG (415 BAR)
Body/Bonnet: Chrome-plated brass barstock
Gauges: 2½ in (68 mm) plated case
Seat: PCTFE (3000 & 4500 PSIG) or PEEK (6000 PSIG)
Filter: 10-micron sintered bronze
Temp range: -40°F to 140°F (-40°C to 60°C)
Piston: Brass barstock
Cv: 0.1
Seals: Encapsulated FKM
Ports: 1/4 in FNPT
Conformance: CGA G-4.1, ANSI/ASME B40.1, PED 2014/68/EU, CRN OH5216
Rhodes 934 Sight Glass with Flap & Scale Plate
Hattersley Fig 775 PN10 Automatic Air Vent
The Hattersley Fig 775 PN10 Automatic Air Vent safely removes trapped air from single or multi-boiler and calorifier systems, simplifying venting and saving time and costs. WRAS approved for closed circuits, with an optional ½" shut-off valve (specify when ordering Fig. 776).
Features & Benefits: Removes trapped air, simplifies venting, saves time/costs, WRAS approved, optional shut-off valve, meets BS EN 1074-4.
Specification: Brass body & cover, polypropylene float, EPDM seals, BSP parallel thread, optional ½" shut-off valve.
Pressure/Temperature Rating: 10 bar at 120°C.
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.