This specification covers spring-loaded, angle style, pressure relief valves for steam, gas, and liquid system applications. Pressure relief valves shall be of the following types and material grades: Type I, Grades A and B; Type II, Grades C and D; and Type III, Grades E and F. Hydrostatic shell test and set pressure, blowdown, and seat tightness test shall be performed to meet the specified requirements.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers spring-loaded, angle style, pressure relief valves for steam, gas, and liquid system applications (excluding boiler safety and hydraulic system relief valves).

1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A105/A105M Specification for Carbon Steel Forgings for Piping Applications

A125 Specification for Steel Springs, Helical, Heat-Treated

A182/A182M Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

A193/A193M Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

A194/A194M Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both

A216/A216M Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service

A217/A217M Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service

A227/A227M Specification for Steel Wire, Cold-Drawn for Mechanical Springs

A229/A229M Specification for Steel Wire, Quenched and Tempered for Mechanical Springs

A231/A231M Specification for Chromium-Vanadium Alloy Steel Spring Wire

A276 Specification for Stainless Steel Bars and Shapes

A313/A313M Specification for Stainless Steel Spring Wire

A351/A351M Specification for Castings, Austenitic, for Pressure-Containing Parts

A479/A479M Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

A494/A494M Specification for Castings, Nickel and Nickel Alloy

A689 Specification for Carbon and Alloy Steel Bars for Springs

B21/B21M Specification for Naval Brass Rod, Bar, and Shapes

B61 Specification for Steam or Valve Bronze Castings

B62 Specification for Composition Bronze or Ounce Metal Castings

B148 Specification for Aluminum-Bronze Sand Castings

B164 Specification for Nickel-Copper Alloy Rod, Bar, and Wire

B637 Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

D5204 Classification System for Polyamide-Imide (PAI) Molding and Extrusion Materials

F467 Specification for Nonferrous Nuts for General Use

F468 Specification for Nonferrous Bolts, Hex Cap Screws, and Studs for General Use

Keywords

angle style valves; pressure relief valves; spring-loaded valves; valves; Angle style valves; Gases; Liquids--marine environments; Pressure-reducing valves; Shipbuilding piping materials--specifications; Spring-loaded valves; Steam; Valves--marine vessels ;

ICS Code

ICS Number Code 47.020.30 (Piping systems)

Citing ASTM Standards

[Back to Top]