4" f x f Brass Single check valve

This 4" brass single check valve (non-return valve) features a resilient disc facing and spring assistance for rapid closure, allowing installation in horizontal or vertical pipework with upward flow. Suitable for water, oil, and other industrial services including heating systems.

• Size: 4" F BSP x F BSP (screwed iron)

• Maximum working pressure: 10 bar

• Maximum working temperature: 110°C

• Disc facing: NBR rubber (suitable for water, oil, industrial services)

• Application: Backflow and back-siphonage prevention, heating systems, tanks and reservoirs