Altecnic / Caleffi Pressure Relief Valve Loose Nut Connection 4.5 Bar - F0000242

Altecnic / Caleffi Pressure Relief Valve Loose Nut Connection 4.5 Bar - F0000242

**Altecnic / Caleffi Relief Valve - Nut Inlet - F0000242** The Altecnic / Caleffi Relief Valve (Nut Inlet - F0000242) is an essential component for both domestic hot water systems and heating applications. Designed to safeguard your hot water cylinder and boiler, this reliable relief valve prevents dangerous pressure build-up within the system. When the pressure exceeds the predetermined set limit, the valve automatically opens, discharging excess pressure to the atmosphere. This action ensures the safety of the boiler, hot water storage cylinder, and protects personnel in the area. **Specification:** - **Connections:** Loose Nut Inlet - **Materials:** Brass - **Set Pressure:** 4.5 Barg - **Product Code:** F0000242 - **Notes:** Compatible with MK2 Caleffi Multibloc Ensure your heating systems operate safely and efficiently with the Altecnic / Caleffi Relief Valve. Perfect for domestic installations, this durable relief valve is engineered for optimal performance and to provide peace of mind.
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Other Products and Services from Flowstar (UK) Ltd

CONCOA 212 Series Regulator

CONCOA 212 Series Regulator

The CONCOA 212 Series is a five-port, chrome-plated forged brass, dual-stage cylinder regulator designed for primary pressure control of high-purity, non-corrosive, or liquefied inert gases (up to grade 4.5). Its dual-stage design ensures stable pressure and delivery regardless of supply pressure variations. Factory-configurable options include single-station manifolds, purge, low-pressure alarms, or multiple inlets.

Features:

  • 316L stainless steel diaphragm prevents inboard diffusion

  • CAPSULE® seat with 360° integral filtration in both stages

  • Standard relief valve protects diaphragm and gauges

  • High flow capacity for multiple user locations

  • Helium leak-tested for integrity

Specifications:

  • Max inlet pressure: 3000 PSIG (210 BAR); optional 3500 PSIG (240 BAR) or 4500 PSIG (310 BAR)

  • Body: Chrome-plated forged brass; Bonnet: Chrome-plated die-cast zinc

  • Gauges: 2½" (63 mm) plated case

  • Seats: PCTFE (first stage), PTFE (second stage)

  • Filter: 10-micron sintered bronze

  • Temperature range: -40°F to 140°F (-40°C to 60°C)

  • Diaphragm: 316L stainless steel; Cv: 0.28

  • Helium leak integrity: 1 × 10⁻⁸ scc/sec

  • Internal seals: PTFE; Ports: 1/4" FNPT

  • Compliance: Cleaned for oxygen service, PED 2014/68/EU, ANSI/ASME B40.1, CRN OH5216

Hattersley Fig 371 Draining Tap

Hattersley Fig 371 Draining Tap

**Features & Benefits** • The integrated shroud offers a tamper-resistant design, ensuring enhanced security. • Constructed from DZR brass, these draining taps are compatible with both hot and cold water systems, handling pressures up to 16 bar and temperatures reaching 110°C. • This innovative design allows for efficient system drainage without the need to remove pipework, saving you time and effort. • The inlet features a threaded taper male connection that complies with BS EN 10226-2 standards. • The outlet is ribbed, making it easy to connect a hose for convenient drainage. • WRAS approved for temperatures up to 85°C, guaranteeing adherence to high safety and quality standards. **Specification** **Pressure/Temperature Rating** • Designed to withstand pressures of 16 bar and a maximum temperature of 110°C, ensuring reliability and durability in various conditions. This updated description not only includes essential details about the product but is also optimised for search engines, enhancing visibility to potential customers.
Pneumatically Actuated Two-Way Ball Valves in Brass and Stainless Steel

Pneumatically Actuated Two-Way Ball Valves in Brass and Stainless Steel

Introducing the RB Figure 2500 ISO Direct Mount Brass Nickel Plated Full Bore Ball Valve, a high-quality and reliable solution for your fluid control needs. Featuring a brass chrome-plated ball, this valve is equipped with P.T.F.E. seats and P.T.F.E. / FKM / EPDM seals to ensure optimal performance and durability. The end connections are designed with screwed BSP female fittings for easy installation.

Complementing the valve is the Valbia 82 Series Pneumatic Actuator, configured for a minimum pilot air supply pressure of 5.5 Bar g. Its robust rack and pinion design, housed in a hard anodised aluminium body, guarantees reliability. The actuator features blue coated end caps, visual position indication, and 1/8” BSP pneumatic connections, making it user-friendly. With bi-directional open/close travel stops and a maximum air supply pressure of 8 Bar g, this actuator is designed to meet diverse application requirements. It is also ATEX II 2GD T6 approved for safe operation in potentially explosive environments.

Specifications:

  • Size Range: ¼” to 4”
  • Actuator Options: Double Acting, Spring Return (Fail Close or Fail Open). Also available in stainless steel body and painted finishes.

This fully assembled (Direct Mount) system is function tested to ensure quality and performance. Choose the RB Figure 2500 for a dependable, efficient, and safe solution for your valve and actuator needs.

Flowstar UK Ltd

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.