Applications
Biogas – Make the Most of Waste

More economical
- Reduced capital costs – with WITT Non-Return Valves you have the lowest possible pressure drop between the compressors and the vessels, so you can use smaller duty compressors and smaller bore pipework
- Reduced operating costs – reducing the duty of the compressors will use less electricity
- Reduced maintenance costs – WITT’s high quality Non-Return Valves in brass and stainless steel withstand corrosion, reduce maintenance and last longer
Safer to operate, reducing your risk and your customers’ risk
- Ultra-reliable leak-tight re-seating – preventing any risk of back-flow of biogas when the compressor stops. 100 % tested. In accordance with DIN EN ISO 5175.
Benefit straightaway
- Easy to retrofit – WITT NRVs can easily be retrofitted into existing pipework systems, giving you extra revenue from your existing customers. Full range of connections available. Can be mounted in any direction/orientation.
- World-wide availability – via WITT’s global subsidiaries and partners
Showing 1–4 of 26 results
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Non-Return Valve NV400 intermediate flange version
Non-return valve stainless steel (intermediate flange version) for the prevention of unintended gas mixtures,
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Non-Return Valve NV400, Stainless Steel (formerly 339-ES)
Non-return valve, stainless steel, for the prevention of unintended gas mixtures, for flow rates up to 8100 mÂ
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Non-Return Valve NV300, Stainless Steel (formerly 338-ES)
Non-return valve, stainless steel, for the prevention of unintended gas mixtures, for flow rates up to 3260 mÂ
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Non-Return Valve 70 / 70U
Non-return valve for the prevention of unintended gas mixtures, for flow rates up to 1120 m³/h (air), up to 1