A valve that is a valve where the closure member is a gate or disc with a linear motion parallel, or nearly parallel, to the plane of flat seats, which are transverse to the direction of flow (from http://data.posccaesar.org/rdl/RDS416519).

Table 130 – GateValveType Definition

Attribute	Value
BrowseName	GateValveType
IsAbstract	False
References	NodeClass	BrowseName	DataType	TypeDefinition	Other
Subtype of ShutOffValveType