Niezgodka Type 30.1 Safety Valve - SG Iron - Lever 2

### Stainless Steel Expansion Vessel for Heating Applications Introducing the Reliance Valves Aquasystem Heating Expansion Vessels, expertly designed for heating applications. Available in capacities ranging from 2 litres to 5000 litres, these vessels can handle maximum pressures between 8.0 and 10.0 bar. Crafted with replaceable membranes, the Aquasystem range allows for efficient in-situ servicing, eliminating water contact with the steel expansion vessel shell to minimise internal corrosion and enhance longevity. #### Features and Benefits - **Corrosion-Resistant Design**: The stainless steel bolted flange ensures maximum protection against corrosion. - **Noise Reduction**: An extra-wide membrane opening effectively mitigates noise caused by restricted flow. - **Internal Membrane Protection**: The vessel's internal membrane prevents water contact with the steel shell, halting internal corrosion and extending lifespan. - **Versatile Capacity Range**: Available in sizes from 2 to 5000 litres, suitable for various applications. - **Serviceability**: All models come with a replaceable membrane, allowing the vessel to be serviced on-site without removal. - **Convenient Pre-charge Valve**: Easily top up air pressure as needed. - **Heating Applications Only**: Specifically designed for use in heating systems. #### Specifications - **Capacity**: 200 Litres - **Colour**: Red - **Pre-Set Pressure (Bar)**: 1.5 - **Maximum Pressure (Bar)**: Up to 500 Litres – 8.0 bar / 750 Litres and above – 10.0 bar - **Minimum Temperature**: -10°C - **Maximum Temperature**: 99°C - **Height**: 1085mm - **Diameter**: 600mm - **Water Connection**: 1" MBSP #### Materials - **Shell**: Epoxy Coated Steel - **Membrane**: EPDM (Ethylene Propylene Diene Monomer) - **Bolted Flange**: Galvanised Steel #### Standards and Approvals - CE marked in accordance with Directive PED 97/23/EC - TÜV Certified Enhance your heating system with our reliable and durable stainless steel expansion vessels from the Reliance Valves Aquasystem range. Ideal for professionals looking for high-quality solutions combined with ease of maintenance.

The NABIC 542 spares kit contains a new diaphragm and 'O' rings which replaces all of the soft goods in the valve. The kit is suitable for all of the valves based around the NABIC 542 valve body i.e. NABIC 542F, NABIC 542L.

### Features & Benefits - **One-Way Flow Control**: Our check valves ensure that fluid flows in a single direction, closing automatically if the flow reverses, enhancing system reliability. - **Versatile Application**: Perfectly suited for use with water and a range of other liquids. - **Durable Design**: Featuring a bolted cover for added security and longevity. - **Swing Type Mechanism**: Incorporates a swing check valve with a premium bronze seat, ensuring effective operation. - **Flexible Installation**: Designed for mounting in both horizontal and vertical pipelines, making it adaptable to various plumbing systems. - **Corrosion Protection**: The fusion-bonded epoxy coating is suitable for a C3 environment, providing robust protection against corrosion. ### Specification - **Robust Construction**: This swing check valve is crafted with a cast iron body and bonnet, conforming to BS EN 1561 GJL-250. The cast iron disk meets the same standard, with bronze disk facing and bronze seat compliant with BS EN 1982 CC491K. - **Full Bore Design**: The valve features a full bore design, manufactured in accordance with BS EN 16767 and is rated PN16, with a temperature range of -10°C to 220°C. - **Reliable Gasket Material**: The gasket is graphite-based, ensuring a secure and leak-proof seal. - **Standardised Flanges**: Supplied with drilled flanges according to BS EN 1092-2 PN16 for easy installation. - **Corrosion-resistant Coating**: The valve is coated with a C3 corrosion level epoxy and complies with the Pressure Equipment Directive 2014/68/EU. ### Pressure/Temperature Rating - **Standard Compliance**: The valve adheres to BS EN 1092-2 PN16 standards. - **Pressure Ratings**: 16 Barg from -10°C to 120°C, and 11.8 Barg at 220°C. Optimise your piping systems with our high-quality check valves designed for efficiency, durability, and safety.