A lift check valve that has a free gravity or spring loaded piston type closure member.

piston check valve

equipment class

valve

check valve

is a possessed aspect being a role of the substance of an artefact when used to construct the artefact from. Therefore the substance should be in a solid state at the conditions at which the artefact exists.

body material

type of inlet connection, e.g. socket welded, threaded, butt-welded or flanged

inlet connection type

type of outlet connection, e.g. socket welded, threaded, butt-welded or flanged

outlet connection type

Classes of standard pressure ratings, i.e. the maximum allowable non shock working gage pressure at a given temperature and a specific material

pressure rating

seat design type

is the quantity of fluid passing through a valve when the valve is in its fully closed position at a specified process design pressure differential and temperature.

seat leakage class

Classes of standard temperature ratings, i.e. the range of temperatures allowable for a specific material.

temperature rating

The pressure which is the highest allowed.

Property	Data Type	Max Length	Required	Picklist
body material Text Required Max Length: 40 Picklist: material	Text	40	Required	material
inlet connection type Text Required Picklist: connection type	Text		Required	connection type
outlet connection type Text Required Picklist: connection type	Text		Required	connection type
pressure rating Text Required	Text		Required
seat design type Text Required Picklist: seat design type	Text		Required	seat design type
seat leakage class Text Required Picklist: seat leakage class	Text		Required	seat leakage class
temperature rating Text Required	Text		Required
upper limit allowable pressure Number Required	Number		Required

Name	Type	Description
check valve tag class	tag class	A valve that permits fluid to flow in one direction only.
piston check valve tag class	tag class	A lift check valve that has a free gravity or spring loaded piston type closure member.

piston check valve

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