A collection of API valve standards
In the United States institutions system, there are several standards can be used to specify the industrial valve like ASME standard ( American Society of Mechanical Engineers), API standard (American Petroleum Institute), ANSI standard (American National Standards Institute), MSS SP standard (Manufacturers Standardization Society of the Valve and Fittings Industry). Each of them has specific specifications for valves and complements each other, here we collect a series of commonly used valve API standards for general industrial valves.
| API 6A | Specification for wellhead and Christmas tree equipment |
| API 6D | specification for pipelines and pipe valves |
| API 6FA: | The standard for Fire Test for Valves |
| API 6FC | Fire Test for Valve with Automatic Backseats. |
| API 6FD | Specification for fire test for check valves. |
| 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. |
| ANSI/API RP 11V7 | Recommended Practice for Repair, Testing, and Setting Gas Lift Valves. |
| API 14A | Specification for subsurface safety valve equipment |
| API 14B | Design, installation, operation, test and redress of the subsurface safety valve system. |
| API 14H | Recommended practice for installation, maintenance and repair of surface safety valves and underwater safety valves offshore |
| API 520-1 | Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries: Part I – Sizing and Selection. |
| API 520-2 | Recommended Practice 520: Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries-Part II, Installation. |
| API 526 | Flanged Steel Pressure Relief Valves. |
| API 527 | Seat Tightness of Pressure Relief Valve. |
| API 553 | Refinery Control Valve |
| API 574 | Inspection of Piping, Tubing, Valves, and Fittings |
| API 589 | Fire test for the evaluation of valve stem packing |
| API 591 | Process valve qualification procedure |
| API 594 | Check valves: Flanged, lug, wafer and butt welding |
| API 598 | Valve Inspection and Testing. |
| API 599 | Metal Plug Valves – Flanged and Welding Ends |
| API 600 | Steel gate valves – Flanged and butt-welding ends, bolted bonnets |
| API 602 | Gate, globe, and check valves for size and DN100(NPS 4) and smaller for the petroleum and natural gas industries. |
| API 603 | Corrosion-resistant, Bolted Bonnet Gate Valves—Flanged and Butt-welding Ends |
| API 607 | Fire test for quarter-turn valves and valves equipped with nonmetallic seats |
| API 608 | Metal Ball Valves-Flanged, Threaded and Butt-Welding Ends |
| API 609 | Butterfly valves: Double flanged, lug and wafer type |
| API 621 | Reconditioning of Metallic Gate, Globe, and Check Valves |
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