Knife Gate Valve Symbol

Type of valve employed depends on nature of fluid flow control required operating pressure and temperatures as well as surround atmosphere.

Knife gate valve symbol.

Used when a straight flow of fluid and minimum restriction is desired. The benefits of knife gates also include that they are easy to actuate and cheap to produce. Piping and instrument diagram standard symbols detailed documentation provides a standard set of shapes symbols for documenting p id and pfd. Gate valve slide valve metering coke post indicator knife valve diaphragm valve excess flow valve self draining valve pinch valve minimum flow valve auto recirculation gauge.

Velan is a world leader in the design and production of a wide range of cast and forged steel gate globe check ball triple offset butterfly knife gate highly engineered severe service valves and steam traps offering superior performance across all major industrial applications. The first is for butt welding ends second is for flanged end valve and the third one is for socket end connection. Knife gate valves were originally designed for use in the pulp and paper industry. So in addition to the valve design optimised for slurry media it is beneficial to have a knife made of acid.

They are especially useful in wastewater applications where corrosion is an important issue. Search symbols browse symbols online dxf and dwg viewer view manual video tutorials. Normally closed ball valve. Three symbols shown below are the gate valve symbols used in isometric drawings.

Here is a list of symbols for various types of valves used in process industry. Withstand extreme pressure temperature and high volume flow. It is a modification of a generic valve symbol by inserting a vertical line between two triangles. Excellent to be used as a control valve due to.

Knife gate valves are designed to work in some of the most harsh environments typically having a sharpened blade to cut through heavy liquids. Normally closed gate valve. Now see the p id symbol for the gate valve. Many types of valves are required in a process plant for flow regulation or on off purpose.

Utilizing a sharp beveled edge a knife gate was ideally designed to cut through the stringy pulp encountered in the pulp and paper industries.