Types of gate valves; Source: Thepipefittings.com The parallel gate valve uses a flat disc gate between two parallel seats, upstream and downstream. Flow shut-off is obtained by the free-floating seat ...

25.02.2021 Valves To transport different liquids on the ship, many pipelines have been laid: for water and fuel, different gases. Some of them, by the way, actually transport energy - these are steam, ...