Altecnic / Caleffi 313 Series Pressure Relief Valve With Gauge 3/4" x 3/4" F x F 3 Bar - 313530

### Resideo Three-Port Mixing Valve (XF) Description The Resideo Three-Port Mixing Valve (XF), also known as the Centra Linear Valve, is designed for the modulating control of hot or chilled water, as well as steam, within heating, ventilation, and air conditioning (HVAC) systems. These valves can be seamlessly operated using linear actuators from the ML64 and ML74 series, ensuring optimal performance and efficiency. #### Special Features - **Robust Construction**: Made from cast iron with flanged end connections for durability and secure installation. - **Minimal Leakage**: Features a low seat leakage rate, promoting system efficiency and reliability. - **Durable Design**: Metal-to-metal seating ensures a long operational lifespan. - **Self-Adjusting Packing**: This feature maintains performance over time, reducing the need for maintenance. - **Precision Control**: Accurate positioning guarantees advanced temperature control, improving overall system performance. - **Easy Installation of Actuators**: Designed for hassle-free mounting of direct-coupled electric actuators. - **Consistent Flow**: Provides a constant total flow throughout the full plug travel, optimising system functionality. - **Quality Materials**: The stem is crafted from stainless steel, while the valve body is made of cast iron (GG25), with flanged connections conforming to ISO 7005-2 standards. #### Available Part Numbers: - XF15A2.5, XF15A4.0, XF15B2.5, XF15B4.0, XF15D2.5, XF15D4.0 - XF20A6.3, XF20B6.3, XF20D6.3 - XF25A10, XF25B10, XF25D10 - XF32A16, XF32B16, XF32D16 - XF40A25, XF40B25, XF40D25 - XF50A40, XF50B40, XF50D40 - XF65A63, XF65B63, XF65D63 - XF80A100, XF80B100, XF80D100 - XF100A140, XF100B160, XF100B160RA, XF100D160 - XF125A220, XF125B250, XF125B250RA - XF150A310, XF150B360, XF15B360RA For precision temperature control and efficient modulation in your HVAC systems, choose the Resideo Three-Port Mixing Valve (XF) – a dependable solution for any heating or cooling requirement.

**Altecnic / Caleffi 313 Relief Valve with Gauge - Model 313430** The Altecnic / Caleffi 313 Relief Valve with Gauge (Model 313430) is an essential component for domestic hot water systems, ensuring the safety of your hot water cylinder. This valve also plays a crucial role in heating systems by protecting the boiler and other integral components. Designed to operate at a specified set pressure, this valve opens to the atmosphere when pressure thresholds are exceeded, effectively preventing dangerous pressure levels that could affect the boiler, hot water storage cylinder, and the safety of nearby personnel. Each unit is supplied with an integrated pressure gauge for easy monitoring. ### Product Specifications - **Size:** 1/2" x 1/2" - **Connections:** BSP Female Inlet x BSP Female Outlet - **Materials:** Brass - **Compatible Mediums:** Air and Water - **Set Pressure:** 3 Barg - **Discharge Flow Rate:** 142.1 kg/hr - **Max Boiler Rating:** 82.5 kW - **Temperature Range:** +5 to +110°C - **Product Code:** 313430 - **Certification:** WRAS approved, CE marked - **Included:** Pressure gauge Ensure the safety and efficiency of your heating system with the Altecnic / Caleffi 313 Relief Valve. Ideal for both domestic hot water and heating applications, this valve is a vital addition to any service or installation.

The CONCOA 402 Series six-port brass regulator provides primary pressure control for ultra-high purity inert, non-corrosive, or liquefied gases. Designed for applications tolerant of minor outlet fluctuations or inlet pressures under 500 PSIG (34 BAR), it features a metal-to-metal diaphragm seal, CAPSULE® 360° filtration seat, bare brass body to prevent contamination, pipe-away relief valve, captured vent-capable bonnet, cleanroom assembly, and front/rear panel mounting. Specs: max inlet 3000–4500 PSIG (210–310 BAR), PTFE/PCTFE seats, 10 µm sintered bronze filter, 1/4 in FNPT ports, 2 in gauges, Cv 0.1, -40°F to 140°F (-40°C to 60°C). Conforms to CGA G-4.1, PED 2014/68/EU, ANSI/ASME B40.1, CRN OH5216.