What is Valves?
A valve is a mechanical device that blocks a pipe either partially or completely to change the amount of fluid that passes through it. When you turn on a faucet (tap) to brush your teeth, you're opening a valve that allows pressurized water to escape from a pipe.
Industrial Valves Standards and Specification
API - valves standards
| API Standard Code Name | API Standard Name |
| API SPEC6D | Supplement 1 to api spec 6D (sixteenth edition ) specification for pipeline valves |
| API STD6D | Steel gate plug ball and check valves for pipeline service |
| API STD6D | API Specification for flanged steel gate and plug valves for drilling and production service |
| API SPE14D | API Specification for wellhead surface safety valves for offshore service |
| API 526 | Flanged steel safety relief valves |
| API 527 | Commercial seat tightness of safety relief valves with metal - to metal seats |
| API 528 | API standard for safety relief valve nameplate nomenclature |
| API 529 | Cast - forged Steel plug valves flanged ends |
| API 594 | Wafer - type check valves |
| API 595 | Cast - iron gate valves flanged ends |
| API 597 | Steel venturi gate valves flanged or butt welding ends |
| API 598 | Valve inspection and test |
| API 599 | Steel plug valves flanged or butt welding ends |
| API 600 | Flanged and butt - welding - end steel gate and plug valves for refinery use |
| API 602 | Compact design carbon steel gate valves for refinery use |
| API 603 | 150 - pound light - wall corrosion - resistant gate valves for refinery use |
| API 604 | Ductile iron gate valves flanged ends |
| API 607 | Fire - resistant testing of ball valves with soft contact faces |
| API 609 | Butterfly valves to 150 psig and 150 F |
| API SPEC 6FA | Specification for fire test for valves |
| API SPEC 6FC | Specification for fire test for valves with automatic backseats |
| API BULL 6RS | Bulletin on referenced standards for committee 6, standardization of valves and wellhead equipment |
| API RP 11V6 | Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves first edition |
| API RP 11V7 | Recommended practice for repair , testing, and setting gas lift valves |
| API RP 520 PT 1 | Sizing, selection and installation of pressure relieving devices in refineries part 1- sizing and selection |
| API RP 574 | Inspection of piping, tubing, valves and fittings first edition, replaces guide for inspection of refinery equipment Chapter XI |
| API RP 576 | Inspection of pressure-relieving devices first edition |
| API STD 608 | Metal ball valves-flanged, threaded and welding end |
ANSI - valve standards
| ANSI Standard Code Name | ANSI Standard Name |
| ANSI A126 | Grey iron castings for valves flanges and pipe fittings |
| ANSI A181 | Standard specifications for forged or rolled steel pipe flanged forged fittings and valves and parts for general service |
| ANSI B16.10 | Face - to - face and end - to - end dimension of ferrous valves |
| ANSI B16.34 | Steel valves |
| ANSI B127.1 | Constant - level oil valvess |
ASME - valve standards
| ASME Valve Standard | ASME Standard Name |
| ASME A105/105M | Standard Specification for Carbon Steel Forgings for piping applications |
| ASME A181/181M | Standard Specification for Carbon Steel Forgings for General purpose piping |
| ASME A182/182M | Standard Specification for forged or rolled alloy-steel pipe flanges, forged fittings and valves and parts for high-temperature service |
| ASME A727/727M | Standard specification for carbon steel forgings for piping components with inherent notch toughness. |
| ASME A961 | Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, valves, and Parts for Piping Applications |
| ASME B462 | Standard Specification for Forged or Rolled UNS N08020, UNS N08024, UNS N08026, UNS N08367, and UNS R20033 Alloy Pipe Flanges, Forged Fittings, and Valves and Parts for Corrosive High-Temperature Service |
| ASME B834 | Standard Specification for Pressure Consolidated Powder Metallurgy Iron-Nickel- Chromium-Molybdenum (UNS N08367) and Nickel- Chromium Molybdenum Columbium (Nb) (UNS N06625) Alloy Pipe Flanges, Fittings, Valves, and Parts |
| ASME D5500 | Standard Test Method for Vehicle Evaluation of Unleaded Automotive Spark-ignition Engine Fuel for Intake Valve Deposit Formation |
| ASME F885 | Standard Specification for Envelope Dimensions for Bronze Globe Valves NPS 1/4 to 2 El-1996 R(1996) |
| ASME F992 | Standard Specification for Valve Label Plates El-1997 R(1997) |
| ASME F993 | Standard Specification for Valve Locking Devices El-1997 R(1997) |
| ASME F1020 | Standard Specification for Line-Blind Valves for marine Applications El-1996 RI'1996) |
| ASME F1098 | Standard Specification for Envelope Dimensions for Butterfly Valves - NPS 2 to 24 EI-1993 R(1993) |
| ASME F1271 | Standard Specification for Spill Valves for Use in Marine Tank Liquid Overpressure Protections Applications EI-1995 R (1995) |
| ASME F1370 | Standard Specification for Pressure Reducing valves for Water Systems, Shipboard |
| ASME F1508 | Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services |
| ASME F1565 | Standard Specification for Pressure-Reducing Valves for Steam Service |
| ASME F1792 | Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service |
| ASME F1793 | Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air or Nitrogen Service |
| ASME F1794 | Standard Specification for Hand operated, Globe-Style Valves for Gas (Except Oxygen Gas), and Hydraulic Systems |
| ASME F1795 | standard Specification for Pressure-Reducing Valves for Air or Nitrogen Systems |
| ASME A230 | Standard specification for steel wire oil - tempered carbon valve spring quality |
| ASME A232 | Standard specification for chromium - vanadium alloy steel valve spring quality |
| ASME A350 | Standard specification for forged or rolled carbon and alloy steel flanges forged fittings and valves and parts for low - temperature service |
| ASME A338 | Standard specification for ultrasonic examination of heavy steel forgings |
| ASME A694 | Standard specification for forgings carbon and alloy steel for pipe flanges fittings valves and parts for high - pressure transmission service |
| ASME A404 | Standards specification for forged or rolled alloy - steel pipe flanges forged fittings and valves and parts specially heat treated for high temperature service |
| ASME A522 | Forged or rolled 8% and 9% nickel alloy steel flanges fittings valves and parts for low - temperature service |
BS - valve standards
| British Standard Code Name BS | British Standard Name |
| BS 1212 | Ball valves (Portsmouth type ) excluding floats |
| BS 1123 | Specification for safety valves, gauges and other safety fittings for air receivers and compressed air installations |
| BS 1414 | Specification for steel edge gate valves ( flanged and butt- welding ends ) for the petroleum, petrochemical and allied industries |
| BS 1552 | Control plug cocks for low - pressure gases |
| BS 1570 | Specification for Flanged and Butt - welding ends steel plug valves for the petroleum industry (excluding well - Head and flow - line valves) |
| BS 1735 | Specification for Flanged cast iron outside - screw - and - yoke edge gate valves class 125, size 1.5 in to 24 in for the petroleum industry |
| BS 1868 | Specification for steel check valves (flanged and butt-welding ends ) for the petroleum, petrochemical and allied industries |
| BS 1873 | Specification for Steel globe and globe stop and check valves (flanged and butt-welding ends ) for the petroleum, petrochemical and allied industries |
| BS 1952 | Specification for copper alloy gate valves for general purposes |
| BS 1953 | Copper alloy check valves for general purposes |
| BS 1968 | Floats for Ball valves ( copper ) |
| BS 2060 | Copper alloy screw - down stop valves for general purposes |
| BS 2080 | Specification for Face - to - face, centre - to - face end - to -end and centre - to - end dimensions of flanged and butt-welding ends steel valves for the petroleum, petrochemical and allied industries |
| BS 2591 PT.1 | British standard glossary for valves and valve parts (for fluids ) part 1.screw - down stop ,check and gate valves |
| BS 2591 PT.2 | British standard glossary for valves and valves parts ( for fluids) part,2 safety valves and relief valves |
| BS 2591PT.3 | British standard glossary for valves and valve parts (for fluids ) part 3, Plug valves and cocks |
| BS 2591PT.4 | British standard glossary for valves and valves (for fluids ) part4, butterfly valves |
| BS 2591PT.5 | British standard glossary for valves and valve parts ( for fluids ) part5, Ball valves |
| BS 2995 | Specification for cast and forged steel wedge gate, glove, check and plug valves screwed and socket - Welding sizes 2 in and smaller for the petroleum industry |
| BS 3464 | Specification for cast iron gate valves for general purposes |
| BS 3808 | Specification for cast and forged steel flanged, screwed and socket - welding Wedge gate valves (compact design ) sizes 2 in and smaller for the petroleum industry |
| BS 3948 | Specification for cast iron parallel slide valves for general purposes |
| BS 3952 | Specification for cast iron butterfly valves for general purposes |
| BS 3961 | Specification for cast iron screw - down stop valves and stop and check valves for general purposes |
| BS 4090 | Cast Iron check valves for general purposes |
| BS 4133 | Flanged steel parallel slide valves for general purposes |
| BS 4312 | Flanged steel screw - down stop valves and stop and check valves for general purposes |
| BS 4460 | Steel Ball valves for the petroleum industry |
| BS 5146 | Specification for inspection and test of steel valves for the petroleum petrochemical and allied industries |
| BS 5150 | Cast iron wedge and double disk gate valves for general purposes |
| BS 5151 | Cast iron gate (parallel slide ) valves for general purposes |
| BS 5152 | Cast iron globe and globe stop and check valves for general purposes |
| BS 5153 | Cast Iron check valves for general purposes |
| BS 5154 | Copper alloy globe stop and check, check and gate valves for general purposes |
| BS 5155 | Cast iron and carbon steel butterfly valves for general purposes |
| BS 5156 | Screw down diaphragm valves for general purposes |
| BS 5157 | Steel gate (parallel slide ) valves for general purposes |
| BS 5159 | Specification for cast iron and carbon steel ball valves for general purposes |
| BS 5160 | Specification for Flanged steel globe valves, globe stop and check valves and lift type check valves for general purposes |
| BS 5351 | Steel ball valves for the petroleum petrochemicals and allied industries |
| BS 5417 | Test of genera purpose industrial valves |
| BS 5418 | Marking of general purpose industrial valves |