TVI Valves
Custom Valve Solutions


Flanged Type Diaphragm Valves

March 2022

Diaphragm valves are compact, versatile components that control the rate and volume of fluid flow throughout a piping system. These valves feature a rubber diaphragm that moves up and down within the valve body to open or close the valve position.  Diaphragm valves are easy to install along virtually any point of a closed pipe […]

Butterfly Valve vs. Ball Valve

July 2021

Both butterfly valves and ball valves are commonly used to control the flow of fluid within a system. While the two have a number of similarities that make them suitable for some of the same applications, they also have key differences that make one better suited over the other for certain applications.  Below, we highlight […]

Electric vs. Pneumatic Valve Actuators  

May 2021

(Click to Expand) Valves play an essential role in many industrial and manufacturing processes. By fully or partially opening and closing passageways in piping and tubing systems, they help direct and control the flow of liquids, gases, and steams needed for various operations. This function can be conducted manually through the use of a gear, […]

Valve Terminology and Glossary

February 2021

Below are some of the most popular valve-realted pieces of terminology in our glossary. Use the linked text at the bottom of this page to download and view our complete glossary that contains hundreds of terms! Download Our Valve Terminology PDF Butterfly Valve A short face-to-face valve that has a movable vane, in the center […]

2021 COVID-19 Update “Business as Usual”

February 2021

53 South 7th St Emmaus, PA 18049 (p) 610-967-6388 TVI is pleased to announce that we are surviving the pandemic and have not had any major issues in getting inventory.  We have increased our inventory in case a problem starts to occur in 2021 as we are still amid the pandemic and do not know when […]

Check Valves: What You Need to Know

February 2021

The Year of the Check Valve Check valves—also sometimes called one-way or non-return valves—play a vital role in the fluid handling systems of a wide range of industries. By limiting the flow of fluid through a system to a single direction, they eliminate the risk of backflow, overflow, or other conditions that can cause damage […]

Wafer Check Valve vs. Swing Check Valve

February 2021

Check valves are vital to a range of material transfer systems in the industrial and residential sectors. Numerous industries rely on check valves to prevent fluid backflow and maintain consistent pressure within their material transfer systems, including chemical processing, wastewater management, manufacturing, and more.  Two of the most commonly used check valve styles include wafer […]

What is a Swing Check Valve Used For?

December 2020

Swing check valves have many uses, from sewage systems and wastewater treatment to firefighting, power plants, and various household items. One of the most commonly known examples of this valve type is the swing check valve that allows water to enter a toilet’s tank while blocking the reverse flow. A swing check valve is a […]

COVID Update From TVI Valves

October 2020

53 South 7th St Emmaus, PA 18049 (p) 610-967-6388     To our valued partners, First and foremost, the health and safety of our employees, customers, and everyone that is part of our TVI family is our top priority. We are diligently taking all the necessary precautions to keep everyone protected during this time. As it […]