What are the three types of valves?
Table of Contents
What are the three types of valves?
They are linear, rotary, and self-actuated. There are a variety of valve types within each of these categories each having its own benefits. This training course is focused on rotary and linear actuated valves.
What is valve and its types?
Valves are for starting or stopping flow, regulating or throttling flow, preventing back flow or relieving and regulating pressure in fluid or gaseous handling applications. Common valve types include: Ball,Butterfly,Check, Diaphragm, Gate, Globe, Knife Gate, Parallel Slide, Pinch, Piston, Plug, Sluice, etc.
What are the main types of valves?
Isolation Valves: Ball, butterfly, diaphragm, gate, pinch, piston, and plug valves. Regulation Valves: Ball, butterfly, diaphragm, globe, needle, pinch, and plug valves. Safety Relief Valves: Pressure release and vacuum relief valves. Non-Return Valves: Swing check and lift check valves.
What is a drain valve?
Drain valves remove media from process lines and process or storage tanks. They are used in applications such as compressed air systems where liquid, gas, or slurries need to drain or be drained from the system.
What are valves made of?
| Base material | Valve body | Stem |
| Bronze / Brass | Bronze (CAC401,CAC406) Brass (C3771) | K metal (C3531) |
| Cast iron | Gray cast iron (FC200,FC300) | Stainless steel Brass |
| Ductile iron | Ductile iron castings (FCD-S) | Stainless steel |
| Cast steel | Carbon steel castings for high temperature / pressure service (SCPH 2) | Stainless steel |
Why do valves open and close?
They open and close to let blood flow from one area of your heart to another. They help ensure that blood moves at the right time and in the correct direction. As the valves open and close, they create two sounds, which are your heartbeat.
