New Technical Articles Page

Introduction to Check Valves

Introduction to Degassing Valves
What, how, where & why of degassing valves, with technical details, explanation of function, installation notes, dimensions, and more

Introduction to Gauge Guards

Introduction to Pressure Regulators/Reducing Valves

Introduction to Relief/Bypass/Backpressure Valves

Introduction to Sight Glasses

Introduction to Solenoid Valves

RVT Body Style Variations
Explains why some valves in Series RVT have “solid” machined bodies and others are fabricated.

What, How, Where & Why of CHECK VALVES

What, How, Where & Why of PRESSURE REGULATORS

How to Specify a PRESSURE REGULATOR

What, How, Where & Why of RELIEF VALVES

Pressure Regulator vs. Backpressure Regulator
What’s the difference?

Not All Backpressure Valves are Created Equal

Plast-O-Matic RVDT vs. competitor’s BPV

Large Pipe Size Pressure Reducing Valves
Description and specifications for 3″ & 4″ Pressure Regulators

What, How, Where & Why of SOLENOID VALVES

How to Determine Amperage for a Plast-O-Matic Solenoid Valve (PDF file)

Introduction to Pulsation Dampeners / Surge Suppressors

Introduction to Limit Switches for Actuators
Limit Switches signal the open or closed position of air actuated ball valves

Trunnion Ball Valves
What is a “trunnion?” and how it relates to a ball valve

Fail-Safe Valves
Normally-Closed Valves, Normally-Open Valves, and Valves that can be Converted between Normally-Open and Normally-Closed