The VAAS 730 Bi-directional knife gate valve incorporates a U seal design within a single piece semi-lugged body GG-25 (Polyester Cast iron) body with a face to face dimension as per EN-558. Pressure ratings range with size from 10 bar down to 4 bar generally utilising a Nitrile seal with a maximum service temperature of 90 deg C. Generally supplied with a non rising stem.