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Glossary

Term Description Link for more information
316SS Forged stainless steel http://valvepipeline.com/material/steel#stainless
350 LF2 Low temp forged steel http://valvepipeline.com/material/steel#low_temp
A105 Forged regular temp steel http://valvepipeline.com/material/steel#reg_temp
A105N Normalized regular temp steel http://valvepipeline.com/material/steel#reg_temp
A350 LF2 Low temp forged steel http://valvepipeline.com/material/steel#low_temp
Actuator A device used to automatically open/close a valve http://valvepipeline.com/valve/actuation/
Anneal A heat treatment process to soften/improve machinability of steel http://valvepipeline.com/material/steel#heat
ANSI American National Standards Institute http://valvepipeline.com/specification/asmeansi
ANSI Rating A pressure rating for valve pressures http://valvepipeline.com/tools/piping/
API American Petroleum Institute http://valvepipeline.com/specification/api
API 6D Pipeline valve standard http://valvepipeline.com/specification/api
ASME American Society of Mechanical Engineers http://valvepipeline.com/specification/asmeansi
ASTM American Society for Testing and Materials http://valvepipeline.com/material/
ASTM A182 - 316SS Forged stainless steel http://valvepipeline.com/material/steel#stainless
ASTM A216 WCB Cast regular temp steel - Wrought Carbon class B http://valvepipeline.com/material/steel#reg_temp
ASTM A276- 410 Stainless steel used for standard valve trims http://valvepipeline.com/material/steel#stainless
ASTM A351 CF8M Cast stainless steel http://valvepipeline.com/material/steel#stainless
ASTM A352 LCC Low temp cast steel http://valvepipeline.com/material/steel#low_temp
Ball Check Type of check valve with a ball that moves to open with flow http://valvepipeline.com/valve/check/
Ball Valve Quarter-turn valve that uses a ball to open/close http://valvepipeline.com/valve/ball/
Bonnet The "top" part of the valve where the handle is typically attached http://valvepipeline.com/article/2011/08/21/d/
Bubble-tight A term used in valve leakage http://valvepipeline.com/article/2011/08/20/c
Buna-N A type of rubber common in o-ring, seats, seals http://valvepipeline.com/material/elastomer
Butterfly Valve Quarter-turn valve that uses a disc and notched handle for opening/closing http://valvepipeline.com/valve/butterfly/
BW Butt-wedl a type of end connection http://valvepipeline.com/article/2011/08/21/d/
CFR Cost and Freight - Incoterm http://valvepipeline.com/incoterms/
Check Valve Valve that has a disk in line that opens/closes with flow http://valvepipeline.com/valve/check/
CIF Cost, Insurance, Freight - Incoterm http://valvepipeline.com/incoterms/
CIP Carriage and Insurance Paid to - an incoterm http://valvepipeline.com/incoterms/
Control Valve A valve used to control conditions in line such as flow, pressure, temperatire or levels http://valvepipeline.com/valve/control/
CPT Carriage Paid To (named place of delivery) - a type of incoterm http://valvepipeline.com/incoterms/
Cryogenic A term used to describe a valve used in extreme cold conditions http://valvepipeline.com/valve/other
CSA Canadian Standards Association http://valvepipeline.com/specification/other
DAP Delivered at Place - Incoterm http://valvepipeline.com/incoterms/
DAT Delivered at Terminal - Incoterm http://valvepipeline.com/incoterms/
DDP Deliery Duty Paid - Incoterm http://valvepipeline.com/incoterms/
Delrin A type of plastic commonly used as a valve seat http://valvepipeline.com/material/elastomer
Devlon A type of plastic commonly used as a valve seat http://valvepipeline.com/material/elastomer
Diaphragm Check Type of check valve that uses a rubber diaphragm to create a normally closed valve http://valvepipeline.com/valve/check/
DN Diameter Nominal - a metric sizing system used in piping http://valvepipeline.com/tools/piping/
Elastomer Seats/seals used to help close/insulate materials in a valve http://valvepipeline.com/material/elastomer
Electric A device that requires electricity to make it work http://valvepipeline.com/valve/actuation/
ENC or ENP Electroless nickel coating (plating) a coating used on lower grade steels to improve quality http://valvepipeline.com/material/steel#speciality
EPDM A type of rubber common in o-ring, seats, seals http://valvepipeline.com/material/elastomer
EXW Ex-Works a type of incoterm http://valvepipeline.com/incoterms/
FAS Free Alongside Ship - Incoterm http://valvepipeline.com/incoterms/
FCA Free Carrier (named place of delivery) is a type of incoterm http://valvepipeline.com/incoterms/
Fire-Safe Valve is tested to a specific fire-safety standard typically API 607 http://valvepipeline.com/specification/api
Flange A round disc with holes in it; used to bolt items into a pipeline http://valvepipeline.com/article/2011/08/21/d/
FOB Free on Board - Incoterm http://valvepipeline.com/incoterms/
FP - Full Port A type of port that means the port size is consistent throughout the valve http://valvepipeline.com/valve/ball/
Gate Valve Multi-turn valve that uses a wedge to open/close http://valvepipeline.com/valve/gate/
Gear Operator A mechanism that uses gears to facilitate opening valves with larger torques http://valvepipeline.com/article/2011/08/21/d/
Globe Valve Multi-turn valve used to stop/start/regulate flow http://valvepipeline.com/valve/globe/
GOST Gost is a set of technical standards utilized by the Euro-Asian Council. http://valvepipeline.com/specification/other
Handwheel A handle for a valve; used to open/close multi-turn valves http://valvepipeline.com/article/2011/08/21/d/
Hard-faced Steel that is hardedened by a heat treatment process http://valvepipeline.com/material/steel#stainless
Hydraulic A device that requires a liquid to make it work (typically oil/water) http://valvepipeline.com/valve/actuation/
ID Inside-diamater of a pipe http://valvepipeline.com/tools/piping/
Inconel A superalloy used for high temperature applications http://valvepipeline.com/material/steel#speciality
Incoterms A set of rules/terms for transportation http://valvepipeline.com/incoterms/
Inside Sales A professional who handles the order desk http://valvepipeline.com/article/2011/08/13/a/
ISO International Organization for Standardization http://valvepipeline.com/specification/other
LCC Low temp cast steel http://valvepipeline.com/material/steel#low_temp
Lever Operator A handle for a valve; used to open/close quarter turn valves http://valvepipeline.com/article/2011/08/21/d/
Lift-check valve Type of check valve where the disc is raised by higher pressure to allow flow http://valvepipeline.com/valve/check/
Metal Seated A term used for a valve that closes in metal seats http://valvepipeline.com/material/elastomer
Monel An alloy for high-end service in high corrosion environments http://valvepipeline.com/material/steel#speciality
MSS Manufacturers Standardization Society of the Valve "> Industry http://valvepipeline.com/specification/other
NACE National Assocation of Corrosion Engineers - NACE MR-0175 is known as sour spec http://valvepipeline.com/specification/other
Needle Valve Small multi-turn valve that uses a needle to open/close http://valvepipeline.com/valve/needle/
Neoprene A type of rubber common in o-ring, seats, seals http://valvepipeline.com/material/elastomer
Non-slam piston A type of check valve that uses a mechanism to close slower reducing shock in line http://valvepipeline.com/valve/other
Normalize A heat treatment process to change the characteristics of steel http://valvepipeline.com/material/steel#heat
Nozzle-Check A type of check valve that uses a mechanism to close slower reducing shock in line http://valvepipeline.com/valve/other
NPS Nominal Pipe Size - an imperial sizing system used in piping http://valvepipeline.com/tools/piping/
NPT National Pipe thread - type of end connection http://valvepipeline.com/article/2011/08/21/d/
Nylon A type of plastic common in o-ring,seats, seals http://valvepipeline.com/material/elastomer
OD Outside-diamater of a pipe http://valvepipeline.com/tools/piping/
O-Ring A round rubber object used to help seal a part of a valve http://valvepipeline.com/material/elastomer
PEEK A hard high-performance seat material http://valvepipeline.com/material/elastomer
Piston-Check Valve Type of check valve with a spring mechansim to close the valve quickly when pressure drops http://valvepipeline.com/valve/check/
Plug Valve Quarter-turn valve that uses a cylindrical plug to open/close http://valvepipeline.com/valve/plug/
PN Pression Nominal/Pressure Nominal - a rating system for valve pressures http://valvepipeline.com/tools/piping/
Pneumatic A device that requies air to make it work http://valvepipeline.com/valve/actuation/
Port The part of the valve that flow passes through http://valvepipeline.com/article/2011/08/21/d/
PTFE Teflon http://valvepipeline.com/material/elastomer
Re-seat A term used in actuation to "re-seat" or close the valve http://valvepipeline.com/valve/actuation/
Resilient Seated A term used for a valve that closes using elastomer seats http://valvepipeline.com/material/elastomer
RF (Raised Face) A type of end connection on a flange that seals with a gasket http://valvepipeline.com/article/2011/08/21/d/
RP - Reduced Port A type of port that means the port size is smaller in the center of the valve (aka Reduced port) http://valvepipeline.com/valve/ball/
RTFE Reinforced Teflon http://valvepipeline.com/material/elastomer
RTJ (Ring-Type-Joint) A type of end connection on a flange that seals with an O-Ring http://valvepipeline.com/article/2011/08/21/d/
Safety (valve) A term used in calculating actuation requirement that allows for variation http://valvepipeline.com/valve/actuation/
Seals A plastic/metal item used to help close/insulate a valve http://valvepipeline.com/material/elastomer
Seat A plastic/metal surface that the closing mechanism in a valve sits in http://valvepipeline.com/material/elastomer
Spring Return A term used in which a spring is used to facilitate opening/closing http://valvepipeline.com/valve/actuation/
Stellite A special proprietary alloy used for high-end service http://valvepipeline.com/material/steel#speciality
Stop-Check Valve Type of check valve with an override control to stop flow regardless of flow http://valvepipeline.com/valve/check/
SW Socket-weld a type of end connection http://valvepipeline.com/article/2011/08/21/d/
Swing Check Type of Check valve with a disk that "swings" open with flow http://valvepipeline.com/valve/check/
Temper A heat treatment process to make steel less brittle http://valvepipeline.com/material/steel#heat
THRD Threaded - typically an end connection http://valvepipeline.com/article/2011/08/21/d/
Torque The amount of pressure required to open/close a valve http://valvepipeline.com/valve/actuation/
Trim An API term that describes the material used in the closing mechanism http://valvepipeline.com/material/trim
Trunnion A mechanical anchoring device on a closing mechanism http://valvepipeline.com/valve/ball/
Viton A type of rubber common in o-ring, seats, seals http://valvepipeline.com/material/elastomer
WCB 216 Cast regular temp steel - Wrought Carbon class B http://valvepipeline.com/material/steel#reg_temp
Wedge Another name for the closing mechanism of many valves i.e. Gate http://valvepipeline.com/valve/gate/
Y-Pattern A design in which the body of a valve is Y-shaped for specialized service http://valvepipeline.com/valve/other
ABSA Alberta Boilers Safety Association is an organization that administers and enforces pressure equipment safety in Alberta http://valvepipeline.com/specification/other
CRN Canadian Registration Number used to indicate a design meets CSA standards by province http://valvepipeline.com/specification/other


Contact - The Valve Pipeline

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   info@valvepipeline.com

Valve Tip:
In really low pressure applications sometimes a trunnion ball is better than a floater given that the spring will help seal the flow instead of the weak flow in the line.