
An overview of the American Petroleum Institute - API - valve standards
API SPEC 6D
Specification for Pipeline Valves. API Specification 6D is an adoption of ISO 14313: 1999, Petroleum and Natural Gas Industries-Pipeline Transportation Systems-Pipeline Valves. This International Standard specifies requirements and gives recommendations for the design, manufacturing, testing and documentation of ball, check, gate and plug valves for application in pipeline systems.
API 526
Flanged Steel Pressure Relief Valves. The standard is a purchase specification for flanged steel pressure relief valves. Basic requirements are given for direct spring-loaded pressure relief valves and pilot-operated pressure relief valves as follows: orifice designation and area; valve size and pressure rating, inlet and outlet; materials; pressure-temperature limits; and center-to-face dimensions, inlet and outlet.
API 527
Seat Tightness of Pressure Relief Valves R(2002). Describes methods of determining the seat tightness of metal- and soft-seated pressure relief valves, including those of conventional, bellows, and pilot-operated designs.
ANSI/API STD 594
Check Valves: Flanged, Lug, Wafer and Butt-welding. API Standard 594 covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves.
API 598
Valve Inspection and Testing. The standard covers inspection, supplementary examination, and pressure test requirements for both resilient-seated and metal-to-metal seated gate, globe, plug, ball, check, and butterfly valves. Pertains to inspection by the purchaser and to any supplementary examinations the purchaser may require at the valve manufacturer's plant.
ANSI/API 599
Metal Plug Valves - Flanged, Threaded and Welding Ends. A purchase specification that covers requirements for metal plug valves with flanged or butt-welding ends, and ductile iron plug valves with flanged ends, in sizes NPS 1 through NPS 24, which correspond to nominal pipe sizes in ASME B36.10M. Valve bodies conforming to ASME B16.34 may have flanged end and one butt-welding end. It also covers both lubricated and nonlubricated valves that have two-way coaxial ports, and includes requirements for valves fitted with internal body, plug, or port linings or applied hard facings on the body, body ports, plug, or plug port.
ANSI/API 600
Bolted Bonnet Steel Gate Valves for Petroleum and Natural Gas Industries - Modified National Adoption of ISO 10434:1998.
API 602
Compact Steel Gate Valves - Flanged, Threaded, Welding, and Extended-Body Ends. The standard covers threaded-end, socket-welding-end, butt-welding-end, and flanged-end compact carbon steel gate valves in sizes NPS4 and smaller.
ANSI/API 603
Corrosion-Resistant, Bolted Bonnet Gate Valves - Flanged and Butt-Welding Ends. The standard covers corrosion-resistant bolted bonnet gate valves with flanged or butt-weld ends in sizes NPS 1/2 through 24, corresponding to nominal pipe sizes in ASME B36.10M, and Classes 150, 300, and, 600, as specified in ASME B16.34.
ANSI/API 607
Fire Test for Soft-Seated Quarter Turn Valves. The standard covers the requirements for testing and evaluating the performance of straightway, soft-seated quarter-turn valves when the valves are exposed to certain fire conditions defined in this standard. The procedures described in this standard apply to all classes and sizes of such valves that are made of materials listed in ASME B16.34.
API 609
Butterfly Valves: Double Flanged, Lug- and Wafer-Type. The standard covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for gray iron, ductile iron, bronze, steel, nickel-base alloy, or special alloy butterfly valves that provide tight shutoff in the closed position and are suitable for flow regulation.
API 6FA
Specification for Fire Test for Valves. The standard covers the requirements for testing and evaluating the performance of API Spec 6A and Spec 6D valves when exposed to specifically defined fire conditions.
API 6FC
Fire Test for Valve with Automatic Backseats. The standard covers the requirements for testing and evaluating the performance of API Spec 6A and Spec 6D valves with automatic backseats when exposed to specifically defined fire conditions.
API 6RS
Referenced Standards for Committee 6, Standardization of Valves and Wellhead Equipment.
API 11V6
Design of Continuous Flow Gas Lift Installations Using Injection Pressure Operated Valves. The standard sets guidelines for continuous flow gas lift installation designs using injection pressure operated valves.
ANSI/API RP 11V7
Recommended Practice for Repair, Testing, and Setting Gas Lift Valves. The standard applies to repair, testing, and setting gas lift valves and reverse flow (check) valves.
API 520-1
Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries: Part I - Sizing and Selection. The recommended practice applies to the sizing and selection of pressure relief devices used in refineries and related industries for equipment that has a maximum allowable working pressure of 15 psig (1.03 bar g or 103 kPa g) or greater.
API 520-2
Recommended Practice 520: Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries-Part II, Installation. The recommended practice covers methods of installation for pressure-relief devices for equipment that has a maximum allowable working pressure of 15 psig (1.03 bar g or 103 kPa g) or greater. It covers gas, vapor, steam, two-phase and incompressible fluid service.
ANSI/API 574
Inspection Practices for Piping System Components. The standard covers the inspection of piping, tubing, valves (other than control valves) and fittings used in petroleum refineries.
ANSI/API 576
Inspection of Pressure Relieving Devices. The recommended practice describes the inspection and repair practices for automatic pressure-relieving devices commonly used in the oil and petrochemical industries.
ANSI/API 608
Metal Ball Valves - Flanged and Butt-Welding Ends. The standard covers Class 150 and Class 300 metal ball valves that have either butt-welding or flanged ends and are for use in on-off service.
DIN - Valve Standards
An overview of DIN - Deutsches Institut für Normung - valve standards
DIN 475-1
Widths across flats for bolts, screws, valves and fittings
DIN 475-2
Wrench and socket openings
DIN 477-1
Gas cylinder valves rated for test pressures up to 300 bar; types, sizes and outlets
DIN 477-4
Compressed gas cylinder valves; swing check valves for camping-cylinders
DIN 477-5
Gas cylinder valves - Part 5: For test pressure up to 450 bar max.; Outlet connections
DIN 477-6
Gas cylinder valves; test pressures 300 bar and 450 bar, with cylindrical thread for valve stem and gas cylinder neck for breathing apparatus; sizes, threads
DIN 477-9 (Draft standard)
Gas cylinder valves, for highest grade gases; sizes, connections, threads
DIN 1690-10
Technical delivery conditions for castings of metallic materials; supplementary requirements for steel castings used for heavy-duty valves
DIN 3202-4
Face-to-face and center-to-face dimensions of valves; Valves with female thread connection
DIN 3202-5
Face-to-face and center-to-face dimensions of valves; valves for connection with compression couplings
DIN 3230-3
Technical delivery conditions for valves; Compilation of test methods
DIN 3230-4
Technical Conditions of Delivery for Valves; Valves for Potable Water Service, Requirements and Testing
DIN 3230-5
Technical delivery conditions; valves for gas installations and gas pipelines; requirements and testing
DIN 3230-6
Technical delivery conditions for valves; requirements and methods of test for valves for use with flammable liquids
DIN 3266-1
Valves for drinking water installations on private premises; PN 10 pipe interrupters, pipe disconnectors, anti-vacuum valves
DIN 3266-2
Valves for drinking water installations on private premises; PN 10 pipe interrupters, pipe disconnectors, anti-vacuum valves; testing
DIN 3320-1
Safety valves; safety shut-off valves; definitions, sizing, marking
DIN 3320-3 (Draft standard)
Safety valves; safety shut-off valves; center for face dimensions of flanged safety valves to PN 40 and to DN 250 inlet
DIN 3339
Valves; body component materials
DIN 3352-1
Gate Valves; General Information
DIN 3352-2
Cast iron gate valves, with metallic seat and inside screw stem
DIN 3352-3
Cast iron gate valves, with metallic seat and outside screw stem
DIN 3352-4
Cast iron gate valves with elastomeric obturator seatings and inside screw stem
DIN 3352-5
Steel gate valves, isomorphs series
DIN 3352-13
Double-socket cast iron gate valves, with elastomeric obturator seat and inside screw stem
DIN 3356-1
Globe valves; General data
DIN 3356-2
Globe valves; Cast iron stop valves
DIN 3356-3
Globe valves; Unalloyed steel stop valves
DIN 3356-4
Globe valves; High temperature steel stop valves
DIN 3356-5
Globe valves; Stainless steel stop valves
DIN 3357-1
Metal ball valves; general requirements and methods of test
DIN 3357-2
Full bore steel ball valves
DIN 3357-3
Reduced bore steel ball valves
DIN 3357-4
Full bore nonferrous metal ball valves
DIN 3357-5
Reduced bore nonferrous metal ball valves
DIN 3381
Safety devices for gas supply installations operating at working pressures up to 100 bar; pressure relief governors and safety shut-off devices
DIN 3399
Gas low-pressure cut-off valves; safety requirements, testing
DIN 3441-1
Unplasticized polyvinyl chloride (PVC-U) valves; requirements and testing
DIN 3441-2
Unplasticized polyvinyl chloride (PVC-U) valves; ball valves; dimensions
DIN 3441-3
Unplasticized polyvinyl chloride (PVC-U) valves; diaphragm valves; dimensions
DIN 3441-4
Valves of Rigid PVC (Unplasticized or Rigid Polyvinyl Chloride); Y-valves (Inclined-seat Valves), Dimensions
DIN 3441-5
Unplasticized polyvinyl chloride (PVC-U) valves; PN 6 and PN 10 wafer type butterfly valves; dimensions
DIN 3441-6
Unplasticized polyvinyl chloride (UPVC) valves; gate valves with inside screw stem; dimensions
DIN 3442-1
Polypropylene (PP) valves; requirements and testing
DIN 3442-2
Fittings of PP (Polypropylene); Ball valves, Dimensions
DIN 3442-3
Polypropylene (PP) valves; diaphragm valves; dimensions
DIN 3475
Spheroidal graphite cast iron valves and fittings provided with internal corrosion protection by means of enamelling, for use in drinking water supply systems; requirements and testing
DIN 3476
Corrosion protection of water valves and pipe fittings by epoxy powder or liquid epoxy resin linings - Requirements and testing
DIN 3500
PN 10 piston type gate valves for use in drinking water supply systems
DIN 3502
Stopvalves for drinking water supplies on and in private property; straight pattern globe valves with oblique bonnet, rated for nominal pressure PN 10
DIN 3512
Stopvalves for domestic water supply - Two-way valves - Vertical bonnet type PN 10; Straight pattern globe valve; Technical rule of the DVGW
DIN 3535-1
Sealants for gas supplies; elastomeric gasket materials for gas valves in domestic installations; requirements and tests
DIN 3535-5
Rubber/cork and rubber/cork synthetic fiber based gasket materials for use with gas valves, gas appliances and gas pipe work
DIN 3535-6
Gaskets for gas supply - Part 6: Gasket materials based on synthetic fibers, graphite or polytetrafluoroethylen (PTFE) for gas valves, gas appliances and gas mains
DIN 3537-1
Gas stop valves rated for pressures up to 4 bar; requirements and acceptance testing
DIN 3543-1
Metal tapping valves; requirements, testing
DIN 3543-2
Metallic tapping stop valves; dimensions
DIN 3543-3, Publication date:1978-07
PVC tapping valves for plastic pipes; dimensions
DIN 3543-4
High density polyethylene (HDPE) tapping valves for HDPE pipes; dimensions
DIN 3544-1
High-density polyethylene (HDPE) valves; tapping valves; requirements and test
DIN 3852-1
Ports and stud ends with metric fine pitch thread, for use with compression couplings, valves and screw plugs; Dimensions
DIN 3852-2
Stud ends and tapped holes with pipe thread, for use with compression couplings, valves and screw plugs; Dimensions
DIN 3852-11
Stud ends and tapped holes for use with compression couplings, valves and screw plugs - Type E stud end dimensions
DIN 19208
Flow measurement; mating dimensions and application of shut-off valves for differential pressure transducers and differential pressure piping
DIN 19578-1
Stop valves for site drainage systems; anti-flooding valves for faucal sewage systems; requirements
DIN 20042
Water valve, nominal pressure 40 - Dimensions and requirements
DIN EN 28233
Thermoplastics valves; torques; test method (ISO 8233:1988)
DIN 30677-1
Corrosion protection of buried valves; coating for normal requirement
DIN 30677-2
External corrosion protection of buried valves; heavy-duty thermoset plastics coatings
DIN 32509
Hand-operated shut-off valves for welding, cutting and allied processes - Type of construction, safety requirements, tests
DIN 42560
Transformers; Throttle-valves NW 80, Dimensions, Tightness Testing
DIN 74279
Air braking systems - Charging valves
DIN 86251
Shut off valves for shipboard use, of cast iron, with flanges, DN 15 to 500
DIN 86252
Non return valves for shipboard use, cut off type, of cast iron, with flanges, DN 15 to 500
DIN 86260
Shut off valves for shipboard use, of gun metal, with flanges, DN 15 to 500
DIN 86261
Non return valves for shipboard use, cut off type, of gun metal, with flanges, DN 15 to 500
DIN 86501
Valves, screwed bonnet type of gun metal with 24�-connection with port end W according to DIN 3861
DIN 86528
Tab washers for screwed bonnet valves
DIN 86552
Valves, screwed bonnet type of steel with 24�-connection with port end W according to DIN 3861
DIN 86720
Gate valves flat sided of gun metal with screwed bonnet and flanges, DN 20 to DN 100, PN 16
DIN 87101, Publication date:2003-10
Non-return flaps (storm valves), self-closing, vertical type, DN 50 up to DN 150, PN 1 - Mating dimensions for flanges according to PN 10
DIN 87901
Sniffle valves for pumps
DIN EN 488
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German version EN 488:2003
DIN EN 558-1
Face-to-face and center-to-face dimensions of metal industrial valves for use in flanged pipe systems - PN designated valves
DIN EN 558-2
Face-to-face and center-to-face dimensions of metal industrial valves for use in flanged pipe systems - Class-designated valves
DIN EN 736-1
Valves - Terminology - Types of valves
DIN EN 736-2
Valves - Terminology - Part 2: Definition of components of valves
DIN EN 736-3
Valves - Terminology - Part 3: Definition of terms (includes Amendment A1:2001); English version of DIN EN 736-3:1999 + A1:2001
DIN EN 917
Plastics piping systems - Thermoplastics valves - Test methods for resistance to internal pressure and leak-tightness
DIN EN 1092-1
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories - Part 1: Steel flanges, PN designated
DIN EN 1092-2
Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
DIN EN 1092-4
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges
DIN EN 1680
Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism
DIN EN 1705
Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after an external blow; German version EN 1705:1996
DIN EN 28233
Thermoplastics valves; torques; test method (ISO 8233:1988)
