VALVE MAGAZINE Fall 2023

ed SRVs include distillation, hydropro cessing, reforming, cracking, blending, fractioning, charge gas compression, separation, compression, pipeline integ rity, dehydration and balance of plant applications for gases, liquid and two phase application media. The operation of a spring-loaded SRV is basic in principle with just a few elements which control their function. There is plenty more that can be dis cussed about SRVs, such as trim types, how they operate and when to use spe cific trim but for now, we will just stick to the basic SRV operation principles. Look for future articles on the operation of pilot-operated safety relief valves and safety valves. VM

Spindle Eductor Tube

Guide

Disc Holder

Disc

Adjusting Ring Adjusting Ring Pin Primary Orifice

W AI L OON C HEONG is the valves train ing leader for Baker Hughes. He has more than 20 years experience, and has worked in a variety of roles at the company.

Secondary Annular Orifice

Threads Inlet Neck

Nozzle

Base

Figure 4: Flowpath through PRV

Manufacturers Standardization Society OF THE VALVE AND FITTINGS INDUSTRY

MSS membership provides significant benefits to the member company and each representative. Company access to all MSS Standards Participation in the development or refinement of technical standards Collaboration with other industry professionals Complimentary registration to the MSS Annual Meeting Complimentary subscription to an innovative platform allowing members to view SDO standards referenced in MSS SPs Does your company qualify for membership? For more information email membership@msshq.org . WHO WE ARE MSS is a non-profit technical association and an accredited standards development organization (SDO). MSS is an American National Standards Institute (ANSI)-accredited standards developer.

VALVE MAGAZINE FALL 2023 26

TECHNICAL VOICE OF THE INDUSTRY FOR NEARLY A CENTURY MSSHQ.ORG |