butterfly valve
31Shut down valve — A shut down valve (also referred to as SDV or Emergency shutdown valve, ESV, or ESDV) is an actuated valve installed in a pipeline. It isolates a process unit from an upstream or downstream (gaseous or liquid) inventory upon activation of the… …
32Continuous variable valve timing — offers a unique ability to have independent control of the intake and exhaust valves in an internal combustion engine. For any engine load criteria, the timing of intake and exhaust can be independently programmed [1]. The main variations of… …
33Choke 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… …
34Leaf butterfly — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …
35Dixon Valve & Coupling Company — is a manufacturer and supplier of hose fittings and accessories. The company, often referred to as just Dixon, offers products for fire protection, food processing, dairy processing, beverage and brewery operations, industrial manufacturing,… …
36Leaf valve — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …
37Pinch Valve — is a full bore or fully ported type of control valve. No obstruction to flow passage. Major components of a pinch valve consists of body and a sleeve. The sleeve will contain the flow media and isolate it from the environment hence reducing… …
38damper-type fire valve — A spring loaded butterfly automatic valve that shuts off air supply to the combustion heater if there is a fire or an overheating condition occurs. See damper valve …
39throttle butterfly — A valve in the throat of the carburetor which regulates the amount of the flow of gasoline. See throttle valve …
40choke valve — In a carburetor, it is the choke butterfly …
