Altecnic / Caleffi Boiler Pressure Relief Valve 1/2" Pushfit x F Lever Top 3 Bar - 312408 BRT
The Altecnic / Caleffi Relief Valve - Pushfit Inlet - 312408 BRT is designed for use in domestic hot water systems, providing essential protection for hot water cylinders. Additionally, this relief valve safeguards heating systems, such as boilers and other critical components. The valve is chosen based on the required set pressure; as the pressure within the system increases and reaches the designated discharge pressure, the valve opens, releasing excess pressure to the atmosphere. This action prevents potentially dangerous pressure levels that could affect the boiler, hot water storage cylinder, and personnel nearby.
Product Specifications
Size: 1/2" x 1/2" Connections: Pushfit Inlet x BSP Female Outlet Materials: Brass Medium: Air and Water Set Pressure: 3 Barg Temperature Range: +5 to +110 °C Product Code: 312408 BRT
Other Products and Services from Flowstar (UK) Ltd
Bailey Class T Pressure Reducing Valve
The Bailey Class T balanced direct-acting pressure regulator is expertly designed for installations that experience fluctuating inlet pressures and capacities, providing a reliable positive shut-off during “no flow” conditions. This versatile standard valve is ideal for effectively controlling air, gas, and water.
**Specification**
**Sizes:** DN15 to DN50 (1/2" to 2")
**Connections:** Screwed BSPP Female
**Materials:** Bronze body, Rubber disc
**Medium:** Air, Gas, Water
**Inlet Pressure:** 17.2 Barg Max
**Outlet Pressure Range:** Up to 8.2 Barg Max (across multiple spring ranges)
**Temperature Range:** Air / Water -20 to 100 °C / Oil -20 to 90 °C
Optimise your system with the reliable performance and robust construction of the Bailey Class T pressure regulator, suitable for various applications where pressure control is vital.
Refrigeration Regulating & Shut-Off Valves
CONCOA 305 Series Regulator
Chrome-Plated Brass Barstock, Single Stage Cylinder Regulator for Inert Medical Laboratory Gas Applications
The CONCOA 305 Series regulator is designed for medical laboratory use. It provides point-of-use pressure control for gases in cylinders with pressures below 500 PSIG (35 BAR), or primary pressure control for inert gas applications that can tolerate minor outlet pressure fluctuations due to cylinder depletion. Like most CONCOA regulators, the 305 Series is rated for maximum inlet pressures of 3000 PSIG (210 BAR) or higher, depending on configuration.
The regulator can include a standard 2–15 LPM flow gauge calibrated for carbon dioxide, or a custom 2–15 LPM calibration for any non-corrosive gas or gas mixture. CONCOA uses a thermal mass flowmeter to size the outlet orifice according to the specific gas and desired flow. While the 305 Series features medical-standard inlet and outlet connections, it is not intended for therapeutic use in humans. For applications requiring constant outlet pressure or flow, CONCOA recommends the 315 Series two-stage regulator.
Features
316L stainless steel diaphragm prevents inboard diffusion
CAPSULE® seat design with integral 360° filtration
Wide pressure delivery range: 0–15 PSIG (0–2 BAR) to 0–500 PSIG (0–35 BAR)
Optional 2–15 LPM flow gauge calibrated for carbon dioxide or a user-specified gas
Low wetted surface area reduces purge requirements
Specifications
Max inlet pressure (bare body): 3000 PSIG (210 BAR)
Body: Chrome-plated brass barstock
Bonnet: Chrome-plated, die-cast zinc
Gauges: 2 in (50 mm) diameter plated case
Seat: PTFE
Filter: 10-micron sintered bronze
Temperature range: -40°F to 140°F (-40°C to 60°C)
Diaphragm: 316L stainless steel
Cv: 0.1
Helium leak integrity: 1×10⁻⁸ scc/sec
Internal seals: PTFE
Ports (bare body): 1/4 in FNPT
Conformances: CGA G-4.1; PED 2014/68/EU; ANSI/ASME B40.1; CRN OH5216
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.