Niezgodka Type 21 Relief Valve

A Letter of Conformity (LoC) is an official document that verifies a product's compliance with established standards, regulations, or contractual obligations. This important certification is widely utilised across various industries, including manufacturing, engineering, construction, and international trade, ensuring that products meet necessary quality and safety benchmarks.

The Altecnic / Caleffi Relief Valve - Circlip Inlet - F0000477 is a vital component for domestic hot water systems. Designed to protect hot water cylinders and heating systems, this valve ensures the safety of boilers and related components. It is specifically chosen based on the required set pressure. When the pressure increases and reaches the predetermined discharge pressure, the valve automatically opens, releasing excess pressure into the atmosphere. This function helps to prevent potentially dangerous pressure levels within the system, thereby safeguarding both the boiler and the hot water storage cylinder, as well as ensuring the safety of nearby personnel.

**Product Specifications**

• **Materials:** Brass
• **Set Pressure:** 4.5 Barg
• **Product Code:** F0000477
• **Notes:** Compatible with MK3 Caleffi Multibloc

Improve the safety of your domestic water system with the Altecnic / Caleffi Relief Valve, providing dependable performance and peace of mind.

**NABIC 542F Flanged Safety Valve - Versatile Protection for Hot Water, Steam, and Air** The NABIC 542F flanged Safety Valve is an exceptionally versatile solution designed to manage pressures in hot water, steam, or air applications. While primarily engineered for the protection of hot water boilers, its extensive range of applications makes it the perfect general-purpose safety valve for various industrial settings. Additionally, NABIC Valves are backed by an industry-leading 5-year guarantee, ensuring peace of mind for your investment. ### Product Specifications: - **Sizes Available:** 1.1/4" (DN32), 1.1/2" (DN40), 2" (DN50), 2.1/2" (DN65), 3" (DN80) - **Connections:** Flanged Inlet (PN16 or ANSI150) x Female BSPP Outlet - **Materials:** Gunmetal Body, PTFE Seat - **Set Pressure Range:** 0.3 Barg to 10.5 Barg - **Temperature Range:** -20°C to 195°C Max **Note:** Each valve is meticulously set and tested to your required pressure before dispatch, ensuring optimal performance upon arrival. Discover the reliability of the NABIC 542F Flanged Safety Valve – the ideal choice for safety and efficiency in your hot water, steam, and air systems.