7.5.8.83 PEnum_ValveMechanism
7.5.8.83.1 Semantic definition
7.5.8.83.2 Type values
| Type | Description |
|---|---|
BALL
|
Valve that has a ported ball that can be turned relative to the body seat ports |
BUTTERFLY
|
Valve in which a streamlined disc pivots about a diametric axis |
CONFIGUREDGATE
|
Screwdown valve in which the closing gate is shaped in a configured manner to have a more precise control of pressure and flow change across the valve |
GLAND
|
Valve with a tapered seating, in which a rotatable plug is retained by means of a gland and gland packing |
GLOBE
|
Screwdown valve that has a spherical body |
LUBRICATEDPLUG
|
Plug valve in which a lubricant is injected under pressure between the plug face and the body |
NEEDLE
|
Valve for regulating the flow in or from a pipe, in which a slender cone moves along the axis of flow to close against a fixed conical seat |
PARALLELSLIDE
|
Screwdown valve that has a machined plate that slides in formed grooves to form a seal |
PLUG
|
Plug valve in which a lubricant is injected under pressure between the plug face and the body |
WEDGEGATE
|
Screwdown valve that has a wedge shaped plate fitting into tapered guides to form a seal |
OTHER
|
required category not on scale |
NOTKNOWN
|
Value is unkown |
UNSET
|
Value has not been specified |