valve operator

См. также в других словарях:

• Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …   Wikipedia

• Directional control valve — Directional control valves are one of the most fundamental parts in hydraulic machinery. They allow fluid flow into different paths from one or more sources. They usually consist of a piston inside a cylinder which is mechanically or electrically …   Wikipedia

• Choke valve — A Choke valve is a type of valve designed to create choked flow in a fluid. Over a wide range of valve settings the flow through the valve can be understood by ignoring the viscosity of the fluid passing through the valve; the rate of flow is… …   Wikipedia

• Safety shutoff valve — Safety shut off valves are safety valves used to close a line and stop the flow of material. Some types are manually closed. Others are automated to act when a pre set condition (such as a failure in the system) occurs.PrincipleWhen this type of… …   Wikipedia

• Amateur Station Operator's Certificate — or ASOC is the examination that needs to be passed to receive an amateur radio licence in India. The exam is conducted by the Wireless and Planning and Coordination Wing (WPC) of the Ministry of the Ministry of Communications and Information… …   Wikipedia

• control valve — A component in the hydraulic system that enables an operator to direct the fluid from the pump to either end of the jack as desired. It further permits expelled fluid from the other end of the jack to return to the reservoir. On some systems, it… …   Aviation dictionary

• List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …   Wikipedia

• Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …   Wikipedia

• Noah's Island — Format Children Created by European Broadcasting Union Starring …   Wikipedia

• Lift irrigation scheme — Irrigation Schemes mainly comprise canal irrigation and lift irrigation schemes. In such schemes, the most important and yet the most neglected portion is distribution of water. Let us first consider lift irrigation schemes Importance of lift… …   Wikipedia

• IVO — Inlet Valve Opening (Academic & Science » Architecture) ** Intelligent Valve Operator (Business » Positions) * Chivolo, Colombia (Regional » Airport Codes) * I m Very Old (Internet » Chat) …   Abbreviations dictionary