Hattersley 950WG PN16 Butterfly Valve - Gearbox Operated

**Features & Benefits of Our Durable Valves** - Constructed from robust ductile iron, our valve bodies ensure an extended service life. - The high-strength stainless steel disc enhances durability, making these valves suitable for a diverse range of applications. - The fully-lugged valve body guarantees secure installation, providing peace of mind. - Designed with an integrated notch plate for a compact architecture, saving space without sacrificing quality. - The innovative anti-blow-out stem design ensures safe and reliable operation. - Our valves are coated with a fully bonded epoxy paint system, offering superior protection against corrosion. - Ideal for environments that require Level 3 C3 (Medium) corrosion resistance. - The maintenance-free design significantly reduces downtime, ensuring efficient performance. **Specification Details** - Conforms to BS EN 593 standards for dependable quality. - The body is constructed of ductile iron with an epoxy finish for enhanced resilience. - Face-to-face dimensions adhere to BS EN 558 standards. - Features a robust stainless steel disc and an EPDM liner for optimal performance. - Designed to suit flange connections as per BS EN 1092-2 PN16 specifications. - Our valves can be employed for effective flow regulation. - Models Fig. 4970 and 4970G are compliant with Group 2 liquid requirements set by the Pressure Equipment Directive 2014/68/EU. **Pressure/Temperature Ratings** - Capable of withstanding pressures of up to 16 bar across a temperature range of -10°C to 130°C. Ensure the longevity and reliability of your systems with our expertly designed valves, perfect for a multitude of industrial applications.

Product Specification

Sizes: Available in 1/4", 3/8", and 1/2" options.

Connections: Compatible with Tri-Clamp (ASME BPE or DIN 32676), Male Union (DIN 11851 / 11864-1), Varivent flange (DIN 11864-2), Flanged PN16 or ANSI 150 R/F, and Screwed to ISO 228.

Materials: Constructed from high-quality Stainless Steel 316L or 304.

Disk Options: Available in EPDM, PTFE (FDA compliant), AF100, or Viton.

Joints & Seals: Diaphragm options include EPDM, PTFE (FDA compliant), AF100, or Viton.

Medium Compatibility: Suitable for steam, gases, and liquids.

Set Pressure Range: From 0.35 to 62 Barg.

Valve Flow Coefficient (Cv) Range: [Include specific Cv range details here].

Temperature Range: [Include specific temperature range details here].

Approvals: [List any relevant certifications or approvals here].

Additional Notes: [Include any extra information or instructions here].

This comprehensive specification ensures that our products meet the highest standards of quality and performance for various applications. For optimal results, ensure compatibility with your specific system requirements.

### 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.