Niezgodka Type 30.2 Safety Valve - Stainless - Cap

**Stainless Steel Expansion Vessel for Potable Water Applications** Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel, expertly designed for use in potable water systems. This high-quality stainless steel vessel effectively manages the additional load created when water heats and expands, ensuring optimal performance and safety within both heating and cold-water systems. By preventing excessive pressure build-up, our expansion vessels safeguard your system’s integrity and longevity. Equipped with a replaceable membrane, this expansion vessel prevents water from coming into contact with the metal shell, thereby eliminating the risk of corrosion and contamination. This feature guarantees that the water remains safe for human consumption. Furthermore, the replaceable membrane allows for straightforward servicing without the need to remove the vessel, enabling quick and efficient on-site maintenance. **Features and Benefits:** - **Corrosion-Resistant Design:** The stainless steel bolted flange enhances durability and prevents corrosion. - **Reduced Noise Levels:** The extra-wide membrane opening significantly minimizes noise caused by restricted flow. - **Internal Protection:** The internal membrane prevents any contact between water and the steel shell, effectively stopping internal corrosion. - **Extensive Capacity Range:** Available in sizes from 2 to 5000 litres to accommodate all application requirements. - **Service-Friendly:** All models come with a replaceable membrane for convenient servicing without removal. - **Pre-Charge Valve:** Allows for easy topping up of air pressure. - **Hot and Cold Water Compatibility:** Suitable for use with hot and cold water only. **Specifications:** - **Capacity:** 750 Litres - **Colour:** Red - **Pre-Set Pressure (Bar):** 4 - **Max Pressure (Bar):** 10.0 - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 1820mm - **Diameter:** 800mm - **Water Connection:** 2" MBSP - **Product Code:** XVES050160 **Materials:** - **Shell:** Epoxy Coated Steel - **Membrane:** EPDM - **Bolted Flange:** Stainless Steel **Standards and Approvals:** - WRAS approved for up to 1000 litres - CE marked in accordance with Directive PED 97/23/CE - TUV Certified - All models from 1000 to 5000 litres comply with BS 6920 Ensure the reliability and safety of your water system with our high-performance stainless steel expansion vessel. Perfect for both commercial and domestic applications, it's an essential component for maintaining stable water pressure and quality.

### Product Features & Benefits - **Durable Ductile Iron Construction**: The robust ductile iron valve body ensures longevity and reliable service. - **WRAS Approved**: Certified for use in potable water applications with a temperature range from -10°C to 80°C. - **Versatile Interface**: Semi-lugged valve body designed to fit PN10, PN16, or Class 125 flanges, enhancing compatibility. - **Compact Design**: Integrated notch plate contributes to a more streamlined and compact product design. - **Safety First**: The anti-blowout stem design guarantees secure and safe operation during use. - **Superior Corrosion Resistance**: Fully bonded epoxy paint system delivers exceptional protection against corrosion. - **Medium Corrosion Protection**: Ideal for applications requiring Level 3 C3 (Medium) corrosion protection. - **Maintenance-Free**: Engineered for ease of use, this valve design minimises downtime and eliminates the need for regular maintenance. ### Specifications - **Compliance**: Conforms to BS EN 593, with face-to-face dimensions compliant with BS EN 558. - **Robust Materials**: Ductile iron body featuring an epoxy coating for enhanced durability. - **Centring Holes**: Facilitates easy installation and alignment. - **Quality Components**: Includes an aluminium bronze disc and EPDM liner for longevity and reliability. - **Efficient Operation**: Trigger lever (for smaller sizes) and fully enclosed gear operator (for DN250 and larger) for seamless operation. - **Flange Compatibility**: Suitable for flanges conforming to BS EN 1092-2 PN10, PN16, and ANSI B16.1 Class 125. This valve can also be used for flow regulation. ### Pressure/Temperature Ratings - **WRAS Approved**: PN16 range from -10°C to 80°C. - **Non-WRAS Applications**: PN16 range from -10°C to 100°C. Optimise your water management system with our high-quality ductile iron valve solution, ensuring reliable performance, safety, and longevity.

Product Specification

**Sizes:** 4 inches (DN100)
**Connections:** Special Flange
**Materials:**
- Inlet Body: Stainless Steel
- Disk: Soft Seated FPM / PTFE Sheathed
- Joints & Seals: Suitable for Gases
**Set Pressure:** Ranges from 7 to 7.5 Barg and 13.3 to 13.8 Barg
**Temperature Range:** -20°C to 150°C
**Design Certification:** TUV Approved
**Notes:** Specifically designed for use on pressure vessels. The spring component is housed within the tank, with only the top of the dome remaining visible.

Enhance the efficiency and safety of your pressure vessel applications with our robust and reliable pressure relief valve. Crafted from high-quality stainless steel, this valve features a unique design that ensures optimal performance across various temperatures and pressures.

Ideal for gas applications, our valve is engineered to provide precise set pressure control between 7 to 7.5 Barg and 13.3 to 13.8 Barg. The durable soft-seated disk with FPM/PTFE sheathing ensures excellent sealing capabilities, while our TUV certification guarantees compliance with the highest safety standards.

Choose our pressure relief valve for unmatched reliability and efficiency in your industrial applications. Explore more about our products to ensure your systems operate safely and effectively.