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Gate valves can be divided into two main types: Parallel and wedge-shaped. The parallel gate valves use a flat gate between two parallel seats, and a popular type is the knife gate valve designed with a sharp edge on the bottom of the gate. The wedge-shaped gate valves use two inclined...
A gate valve having a gate assembly of the expanding type employing a gate element and segment with adjacent wedge surfaces to expand the gate mechanism in both open and closed positions. Opposed floating seat elements are mounted within recesses of the valve body on opposite sides of the gate...
HEAVY DUTY KNIFE GATE VALVES The knife gate valves are built with a cast body and feature a robust stainless steel gate. Removable seats on either side of the gate provide a bi-directional bubble tight seal, with no metal parts in contact with the slurry ... F Group - 《Filtration》 被...
All SEDELON gate valves have the back seating design. In most cases, the carbon steel gate valve is fitted with a renewable back seat while for stainless steel gate valves, the back seat is machined directly in the bonnet or is machined after welding. When the gate valve is at fully open...
专利名称：SEATS FOR GATE VALVES 发明人：NATHO P,US,WHALEY W,US 申请号：US36892073 申请日：19730611 公开号：US3823911A 公开日：19740716 专利内容由知识产权出版社提供 摘要：A gate valve having a gate assembly of the expanding type employing a gate element and segment with adjacent wedge surfaces...
Gate Valves Globe Valves Check Valves 热度: 阀门标准-BS EN 12266-2-2002 Industrial valves. Testing of valves. Tests, test procedures and acceptance criteria. Supplementary requirements.pdf 热度: VALVES (GATEANDGLOBEVALVES) PRESENTEDBY ATIFTARIQ ...
between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can be parallel but are most commonly wedge-shaped. Gate valves are primarily used to permit or prevent the flow of liquids, but ty...
The Valveworks USA FM4 Series consists of a lineup of gate valves with reliable, proven designs that are engineered and manufactured to meet requirements.
between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can be parallel, but are most commonly wedge-shaped. Gate valves are primarily used to permit or prevent the flow of ...