Standard: API, DIN, JIS, GB, ANSI.
Material: Stainless Steel, Carbon Steel, Brass, Bronze, Alloy Steel, Titanium, 904l, Ductile Iron, Cast Iron, Cast Steel.
Size: 1/2" ~24", DN15~DN600.
Pressure: 150LB~1500LB, PN10~PN320.
Type: Threaded, Lubricated, Sleeved, Lined, 3 Way, Lift, Double Block & Bleed, Full Port, Eccentric, Metal Seated, PTFE Seated, Pressure Balanced, Flanged, Steam Jacketed, Cryogenic, Low Tempreature, Moterized, Pneumatic.
Plug valves are valves with round or conically tapered "plugs" which may be rotated within the valve body to manage flow with the valve. The plugs in plug valves have a number of hollow passageways going sideways with the plug, to ensure that fluid can flow with the plug once the valve is open.
Plug valves are pretty straight forward and frequently economical.Once the plug is conically tapered, the stem/handle is usually connected to the bigger diameter finish from the plug. Plug valves tend not to have bonnets but frequently possess the finish from the plug using the handle uncovered or mostly uncovered towards the outdoors. In such instances, there's not often a stem. The stem and take care of frequently come successfully, frequently an easy, roughly L-formed handle connected to the finish from the plug. Another finish from the plug is frequently uncovered towards the outdoors from the valve too, however with a mechanism that maintains the plug in your body.
The easiest and many common general kind of plug valve is really a 2-port valve with two positions: available to allow flow, and shut (closed) to prevent flow. Ports are openings within the valve body by which fluid can enter or leave. The plug in this sort of valve has one passageway dealing with it. The ports are usually at opposite ends from the body therefore, the plug is rotated a 4th of the full use vary from available to shut positions. This will make this sort of plug valve one fourth-turn valve. There's frequently a mechanism restricting motion from the handle to some quarter turn, although not in glass stopcocks.Slightly conically tapered metal (frequently brass) plug valves are frequently utilized as simple shut-off valves in household gas lines.It's also feasible for a plug valve to possess greater than two ports. Inside a 3-way plug valve, flow in one port might be forwarded to either the 2nd or third port. A 3-way plug valve may be made to shift flow between ports 1 and a pair of, 2 and three, or one and three, and perhaps even connect the 3 ports together.
The flow-directing options in multi-port plug valves are the same options in corresponding multi-port ball valves or corresponding multi-port valves having a rotor. Yet another possibility in plug valves may be the get one port somewhere from the plug valve and 2 ports on the other hand, with two diagonal and parallel fluid pathways within the plug. Within this situation the plug could be rotated 180° for connecting the main harbour around the one for reds either to of these two ports on the other hand.