The Collins Companies

Looking for answers about industrial valves, air compressors, or repair services?

You’re in the right place.

This FAQ page covers the most common questions our customers ask — from how to choose the right valve for your system, to where to find authorized parts and certified repair services. Whether you're a plant manager, procurement specialist, or maintenance tech, you'll find quick, accurate information to help you make informed decisions.

We’ve organized these questions in a clear, searchable format to help you get the answers you need fast.

What is the process for getting a quote?

How can I download my orders and invoices?

Do you recertify safety valves?

What types of markets do you serve?

What vendors/manufacturers do you use?

What value-added services do you provide?

Do you install or service air compression systems?

When should I use a ball valve and a butterfly valve?

What does it mean to hold a VR Stamp?

What is the difference between a T/O (Test Only) and a VR Stamp?

Where are most valves manufactured?