Exploring the AVK Donkin 555 range: versatile gate valves for gas distribution
Posted: 23 October 2024
PE Pipeline Specialists is proud to stock a comprehensive selection of high-quality valves for gas distribution networks. In this blog, we focus on three exceptional products from the AVK Donkin 555 range: the standard Softseal Gate Valve, the Firesafe Softseal Gate Valve, and the PUR-coated Gate Valve.
Each of these valves offers unique features designed to meet specific needs in gas distribution systems, and we are here to break down the finer details of each of these products.
AVK Donkin Softseal Gate Valve 555/401
The standard 555/401-003 model is a versatile workhorse for natural and manufactured gas isolation. Key features include:
Double-faced, resilient seat design with a clear bore wedge gate
Suitable for pressures up to 7 bar MOP and temperatures from -10°C to +60°C
Full double block and bleed facility with a pressure-relieving plug
Maintenance-free design with self-supporting “flange feet” for easy installation
Stainless steel spindle and twin pack black epoxy coating (minimum 75 microns)
Available in sizes from DN50 to DN300
This valve is perfect for general gas distribution applications, offering reliability and ease of use in a wide range of situations.
NEW PRODUCT: AVK Donkin Firesafe Softseal Gate Valve
The Firesafe model 555/401-004 steps up to the plate when it comes to safety performance. This valve shares many features with the standard model but includes critical enhancements for fire-risk environments:
Tested and approved as resistant to high temperatures
Can be installed inside occupied buildings, remaining leak-tight in the event of fire
Utilises the tried-and-trusted Donkin metallic wedge design
Low closing/breaking torque for easy operation by a single person
Graphite body/bonnet joint with metal-to-metal secondary seal
Available in sizes from DN50 to DN150
The Firesafe model is ideal for installations where fire safety is a primary concern, such as in or near buildings or in industrial settings.
All three valves in the 555 range share several important features:
Ductile iron construction with PN16 flanged ends
Compliance with GIS/V7 Part 1 specifications
CE and UKCA marked according to relevant pressure equipment regulations
Made in Great Britain
Soft seal positive shut-off with metal-to-metal secondary seal
Suitable for end-of-line service
Whether you need a standard valve for everyday use, a firesafe option for high-risk areas, or a corrosion-resistant valve for underground applications, the AVK Donkin 555 range has you covered.
At PE Pipeline Specialists, we are committed to providing the best solutions for your gas distribution needs. Contact us today to discuss which 555 range valve is right for your project. To keep up with the latest news from PE Pipeline Specialists, you can follow us on LinkedIn.
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