Description
Ridart 21 is a brass inline check valve for suction lines, engineered to permit flow in only one direction and prevent reverse flow of fluids. It is compliant with Directive 2014/34/EU and relevant harmonized standards, and uses BSPP ISO 228‑1 threaded connections for straightforward installation in fuel and process piping.
Features
- Prevents backflow in suction lines; one‑direction flow only.
- Brass body with stainless steel spring and Viton gasket.
- BSPP ISO 228‑1 female threaded connections.
- Opening pressure of 30 mbar with flow rate up to 300 l/min on 2″” size.
- Operating temperature range from −25 °C to +60 °C.
- Available in sizes from 1/2″” up to 3″”.
Applications
- Suction lines on fuel transfer and dispensing systems.
- General liquid handling systems requiring non‑return protection.
- Installations handling traditional fuels without additives.
Chemical Suitability
- Standard brass model is suitable for traditional fuels without additives.
