technical deviation request

Document Type Information

Details and background about this document type.

Description

A request, approval or rejection of changes to a technical specification. Would typically include justification and reasons for the request, and acceptance or rejection from a purely technical perspective.

Synonyms

CFIHOS ID
CFIHOS-70000389

Equipment

Equipment that requires this document type.

alternating current motor

tag class

An electric motor driven by alternating electric current.

ball control valve

tag class

A ball valve that is equipped with an actuator that manipulates a stream of fluid in the response to a signal from an external sensing element and with input of energy from an external source.

centrifugal pump

tag class

A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.

control valve

tag class

A valve that can be used to modify (regulate) the fluid flow rate in a process control system. It usually includes an actuator, which responds to a signal from the controlling system and changes the position of the flow controlling element in the valve.

relief valve

tag class

A self operating valve that is set to open at a certain pressure level to prevent the pressure in a container or system from reaching unsafe levels.

switchgear and controlgear

tag class

A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.

Template	Type	Description
alternating current motor	tag class	An electric motor driven by alternating electric current.
ball control valve	tag class	A ball valve that is equipped with an actuator that manipulates a stream of fluid in the response to a signal from an external sensing element and with input of energy from an external source.
centrifugal pump	tag class	A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.
control valve	tag class	A valve that can be used to modify (regulate) the fluid flow rate in a process control system. It usually includes an actuator, which responds to a signal from the controlling system and changes the position of the flow controlling element in the valve.
relief valve	tag class	A self operating valve that is set to open at a certain pressure level to prevent the pressure in a container or system from reaching unsafe levels.
switchgear and controlgear	tag class	A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.