relief valve

tag class

Template Information

Template details and description

Template Type: tag class
Is Abstract?
Description: 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.
Synonyms: CFIHOS ID
CFIHOS-30000295
IFC Class
IfcValve
UNSPSC Code
40141606
PCA RDS Code
RDS416699
ISO 15926 Pt 4
10433

Equipment Template

Required equipment properties

Property	Data Type	Max Length	Required	Picklist
body material Text Required Max Length: 40 Picklist: material	Text	40	Required	material
cold differential test pressure Number Required	Number		Required
constant back pressure Number Required	Number		Required
design specification Text Required Max Length: 40	Text	40	Required
fluid name Text Required Max Length: 100 Picklist: fluid	Text	100	Required	fluid
fluid phase Text Required Max Length: 40 Picklist: fluid phase	Text	40	Required	fluid phase
lower limit design temperature Number Required	Number		Required
nominal inlet diameter Number Required	Number		Required
nominal outlet diameter Number Required	Number		Required
normal operating dynamic viscosity Number Required	Number		Required
normal operating mass flow rate Number Required	Number		Required
normal operating pressure Number Required	Number		Required
normal operating temperature Number Required	Number		Required
orifice area calculated Number Required	Number		Required
relief bellows Boolean Required Max Length: 3	Boolean	3	Required
safety integrity level Text Required Picklist: safety integrity level	Text		Required	safety integrity level
set pressure Number Required	Number		Required
spring material specification Text Required Max Length: 50 Picklist: material specification	Text	50	Required	material specification
test medium Text Required Max Length: 40 Picklist: test medium	Text	40	Required	test medium
test pressure Number Required	Number		Required
upper limit operating temperature Number Required	Number		Required
variable back pressure Number Required	Number		Required

Documents

Required document types for this equipment

Document Type	Required	Description
spare part list Optional	Optional	a list of recommended listing of spares received from vendor/manufacturer to support installation, commissioning, operation or maintenance.

Related Templates

These templates are related

Name	Type	Description
conventional relief valve equipment class	equipment class	A pressure relief valve that has its closing force provided by a spring.
pilot operated relief valve equipment class	equipment class	A pressure relief valve that uses a pilot valve to indirectly activate the main valve.
pressure-vacuum relief valve equipment class	equipment class	A pressure relief valve that is intended to release excess pressure or admit pressure to prevent a vacuum forming when filling or emptying a pipeline or tank.

Children

Child templates

Child	Description
conventional relief valve	A pressure relief valve that has its closing force provided by a spring.
pilot operated relief valve	A pressure relief valve that uses a pilot valve to indirectly activate the main valve.
pressure-vacuum relief valve	A pressure relief valve that is intended to release excess pressure or admit pressure to prevent a vacuum forming when filling or emptying a pipeline or tank.