The ball valve, along with the butterfly valve and plug valve, are part of the family of quarter turn valves. Material: Nickel Plated Brass; Ball made from steel; Our range of Inline Lever Ball Vales feature a high quality Nickle Plated Body with full bore function. The Red PVC coated lever offers operator comfort and ease of use. All valves are fully WRAS approved. 3/4 BSP Body. Supplied by HTS Spares Ltd The sphere has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur. A ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it. Screwfix Part 2 Ball Valve at Lola Goll blog Overview: The Inline Lever Ball Valve 3/4" BSP Female Thread is a compact, inline shut-off valve for isolating and controlling fluid flow in pipework When the valve is closed, the hole is perpendicular to the ends of the valve, and flow is blocked. The handle or lever will be inline with the port position letting you see the valve's position. Max working temperature: 120C BSP Female Thread Ball Valve 90deg Angled Shut-Off Ball Valve Butterfly Handle With Union, 1/2 3/4 Inline Shutoff Valve Max working pressure: 1,6 Mpa