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SAE J1235 - Measuring and Reporting the Internal Leakage of a Hydraulic Fluid Power Valve
September 1, 2015 - SAE

This procedure applies to directional control valves or other valves which in various positions direct or block fluid flow as applied to Off-Road Self-Propelled Work Machines as referenced in SAE J1116. Purpose To provide a uniform laboratory procedure for measuring and...

API REPORT 87-17 - API 14A Subsurface Safety Valve Research Study - Year 2
December 1, 1988 - API

ABSTRACT This report presents the findings and recommendations from the second year of an American Petroleum Institute (API) research study aimed at updating the API Specification 14A Verification Test Procedure for surface-controlled subsurface safety valves (SCSSV). Specification...

IEC 60534-2-2 - Industrial-Process Control Valves Part 2: Flow Capacity Section Two - Sizing Equations for Compressible Fluid Flow under Installed Conditions
January 1, 1980 - IEC

This section of Part 2 covers equations suitable for use in sizing industrial-process control valves when the flowing media are compressible fluids. At very low ratios of pressure differential to absolute inlet pressure (∆plp1), compressible fluids behave similarly to incompressible...

SAE J1682 - Valve Guide Information Report
December 1, 2017 - SAE

This SAE Information Report provides: a. Types of valve guides and their nomenclature b. Valve guide alloy designations and their chemistries c. Valve guide alloy metallurgy d. Typical mechanical and physical properties of guide alloys e. Typical dimensional tolerances of...

API REPORT 88-17 - API 14A Subsurface Safety Valve Research Study - Year 3
December 1, 1989 - API

ABSTRACT This report presents the findings and recommendations from the third year of an American Petroleum Institute (API) research study aimed at updating the Specification 14A Verification Test Procedure for surface-controlled subsurface safety valves (SCSSV). Specification 14A was...

IEC 60534-8-3 - Industrial-process control valves – Part 8-3: Noise considerations – Control valve aerodynamic noise prediction method
November 1, 2010 - IEC

This part of IEC 60534 establishes a theoretical method to predict the external sound-pressure level generated in a control valve and within adjacent pipe expanders by the flow of compressible fluids. This method considers only single-phase dry gases and vapours and is based on...

API RP 591 - Process Valve Qualification Procedure
April 1, 2019 - API

This recommended practice (RP) provides recommendations for evaluation of a manufacturer's valve construction and quality management system for the purpose of determining a manufacturer's capability to provide new valves manufactured in accordance with the applicable standards listed...

MIL-PRF-62625 - VALVE, FUEL-DRAIN
May 7, 2020 - NPFC

Scope. This specification covers a check valve used for draining fuel.

ISO 10432 - Petroleum and Natural Gas Industries - Downhole Equipment - Subsurface Safety Valve Equipment
December 15, 2004 - ISO

This International Standard provides the minimum acceptable requirements for subsurface safety valves (SSSVs). It covers subsurface safety valves including all components that establish tolerances and/or clearances which may affect performance or interchangeability of the SSSVs. It...

ISA TR75.04.01 - Control Valve Position Stability
January 1, 1998 - ISA

This document discusses control valve stem position mechanical stability and establishes a measurement criterion for position instability of the valve. Other forms of instability associated with control valves and control systems are not covered. Purpose...

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