RS Stainless Steel Screwed End Ball Valves for the control of flow., Full port 1/4 Inch - 3 Inch (DN8 - DN80). W.P: 1000 WOG (PN63). W.T: -20°C to 200°C. Investment casting. Blow-out proof stem. Locking device. Tapped and drilled mounting pad (option). TA