Different types of valve lifters are used in engines, including hydraulic and solid lifters. Each type has its own advantages and disadvantages, with roller lifters offering increased power and fuel economy potential but at a higher cost. Roller lifters also require stronger valve springs to keep them positioned on the camshaft lobes at high RPM. […]
A block valve can prevent or allow movement without restriction. Gate valves are a common type of block valve that can be operated manually or with an automated system. The valve must have no effect on flow when open and totally block flow when closed. This definition excludes globe valves and check valves. Different industries […]
A butterfly valve is a quarter-turn valve with a metal disc that rotates to block or allow passage. Different types are suitable for different pressures and uses, including in a car’s carburetor. The valve can also be partially open to control air intake. A butterfly valve belongs to a family of valves called quarter-turn valves. […]
Slide valves controlled steam flow in steam engines, allowing steam to enter and exhaust to exit. They were replaced by piston valves due to their need for more power and lubrication. Modern machines use more efficient valves, such as poppet valves in cars and throttle valves in certain tools. Slide valves were commonly used in […]
A valve assembly includes all parts related to valve installation and operation, including the fluid control mechanism, casing, actuation mechanisms, connectors, sensors, and fasteners. It is used to stop, start, or throttle fluid or gas flow. Ancillary features may be included. The assembly may also include external controllers, fasteners, adapters, and replacement parts. A valve […]
Flanged valves use a raised surface mated to a groove for added strength in heavy-duty pipelines. Flange types include tongue and groove, raised face, ring-type joint, flat face, and tongue-and-groove groove. Different flange designs are not interchangeable, and mixing them can cause valve failure and dangerous leaks. A flanged valve is a special type of […]
Valves are devices that control the flow of liquids, gases, and slurries, and can be found in various designs and sizes. They are also present in the human body, regulating blood and body fluids. Common types include gate, globe, check, and relief valves, which can be manually or system-controlled. Safety valves can be set to […]
A post indicator valve (PIV) is used to control the water supply to fire protection systems in large buildings. There are three types: ground, pedestal, and wall, each suitable for different installations. The valve actuator and status indicator are placed on a prominent post for easy access. A post indicator valve (PIV) is a valve […]
A compressor bypass valve relieves pressure from the intake system on engines, found in turbocharged and supercharged automobile engines, aircraft engines, and some train engine designs. It helps route pressure generated within the engine to the non-pressurized end of the intake system and prevents compressor surges. The valve’s primary function is to allow pressure to […]
Irrigation systems use solenoids to manage water flow to underground sprinklers. They come in different sizes and materials, and are connected to electronic timers. Troubleshooting and installation require basic skills and tools. Irrigation systems are underground sprinklers made with many types of irrigation parts and underground pipes. An irrigation valve solenoid is a small mechanical […]
Dump valves release excess liquid or gas from a container. Exhaust valves consist of a cylindrical body and stem, blocking the flow of liquid or gas. Drain valves range from simple screw caps to complex, electrically controlled models. Relief valves are used to remove harmful condensates and contaminants from air compressors and water heaters. A […]
Pinch valves use a flexible sleeve to constrict or close the flow path, making them effective for controlling fluids with high concentrations of suspended solids. They can be operated mechanically or with compressed air and are suitable for flow control applications due to their wide operating ranges. A pinch valve is a fluid control device […]
Choke valves restrict airflow to create a better fuel-air mixture in engines. Modern vehicles use fuel injection systems, but some still use choke valves. Manual or automatic control is possible, and newer engines use superchargers or turbochargers to create pressure. Choke valves were commonly used in automobile engines until the late 1980s. Choke valves help […]
A valve shim is a device used to set the height of valve springs in an internal combustion engine. It is a steel washer-like disc that sits under the valve spring or on top of the valve stem, and is used to adjust the lash or clearance of a valve. The valve shim is made […]
A solenoid valve uses an electrical current to create a magnetic field that moves a metal actuator, which opens or closes a mechanical valve. They come in different types and sizes, and are commonly used in factory automation for controlling the flow of liquids or gases. A solenoid is an electromechanical device that allows an […]
A flanged butterfly valve regulates fluid flow in a piping system. It has a cylindrical housing with a metal disc that opens and closes by rotating on a metal rod. The valve can be manually or mechanically operated and has a flange for installation with various connection hardware. A flanged butterfly valve is usually cylindrical […]
A flanged butterfly valve regulates fluid flow in a closed system. It has a cylindrical housing with a metal disc that opens and closes the valve. The valve is anchored by a flange that can connect to other sections of pipe with bolts, latches, screws, or clamps. A flanged butterfly valve is usually cylindrical in […]
Gas solenoid valves use electrical impulses to control the flow of gas through a line or chamber. They can have one or multiple inlet/outlet ports and come in direct acting or pilot operated configurations. They are used in commercial and residential applications, such as pneumatic machinery, manufacturing plants, furnaces, and gas-operated dryers. A gas solenoid […]
A backwater valve prevents wastewater from flowing back into a property. It is optional in many locations but may be required for new construction. There are three types of valves available, with combined valves being the most expensive but least prone to malfunctions. Proper installation and maintenance are necessary for optimal performance. A backwater valve […]
The valve train opens and closes an engine’s valves, allowing air and fuel to enter and exhaust to exit. There are three common designs, with the overhead cam being most popular. A malfunctioning valve train can cause engine misfires and damage. A valve train consists of all the parts in an internal combustion engine that […]
