Pre-insulated valve for district heating systems
V-Flex is a tailor-made pre-insulated valve for district heating systems and provides greater control over heat networks. The V-Flex valve can be used to shut down entire networks or to isolate individual streets or properties, making network maintenance and extensions much easier.
Efficient and easy to use
V-Flex delivers zonal control and can be fusion welded directly to the main network. This allows operators to control and service PB networks much more efficiently.
The valve innovation includes a key-operated steel ball valve inside a polyethylene casing, insulated by PUR foam, and incorporates PB tails for a fully welded connection to a Polybutene pipe network.
The valves can be specified for single or twin pipe applications and come in a number of chamber sizes to accommodate depth variation, in turn providing flexibility in network or zonal control. Each chamber provides easy access to the valve and includes a lockable lid as an option.The benefits and features of V-Flex:
- Casing – Polyethylene
- Insulation – PUR Foam
- Key operated steel ball valve
- Polybutene pipe tails for fully welded connection
- Temperature range up to 95°C
- Body Carbon Steel P235GH
- Ball Stainless Steel 1.4301
- Stem Seal FPM
- Ball Seal Carbon-reinforced Teflon PTFE+C
- Valves can be operated with a T-handle up to DN250