Collins-Oliver Tube Fittings
Need It Today? We've Got It.
When downtime is not an option. Same day pickup and shipping.
Collins-Oliver is an Industrial Equipment Supplier in Baton Rouge, LA that supplies high-performance instrumentation tube fittings, valves, and stainless steel tubing with same-day speed and unmatched product knowledge. When your system goes down, waiting days for critical fittings isn’t an option. Since 1986, we’ve been the go-to source for high-performance instrumentation tube fittings, valves, and stainless steel tubing that keep your operations running. When others delay, we deliver. When systems fail, we solve. When you need it today, we make it happen.
Welcome to Collins-Oliver, where same-day speed meets unmatched product knowledge.
Here's what sets us apart:
- Specializes in new and new surplus instrumentation fittings from leading global manufacturers
- Provides fast solutions when fluid transfer systems or hydraulic systems go down
- Stocks rare and essential tube fittings and valves
- Known for great prices, prompt response, and staff that's actually helpful with your toughest questions
- Delivers on our word with same-day pickup or shipping, no minimums, and accurate fulfillment every time
Request Your Parts Now, Get Answers Fast.
Tell Us What You Need Below and We'll Handle the Rest
Simple Steps
How to Get Started
It's never been easier to get the parts you need:
01
Send Us Your Part, Sketch, or Spec List — Anywhere in the U.S.
When you’re facing unusual specs or a system shutdown, experience matters. Send us what you have and our team — with over 200 combined years in the industry — will quickly identify the right fittings, valves, or tubing to keep you moving. Coast-to-coast support. Same-day response.
02
We Find the Perfect Match from Our Deep Inventory
Our experts tap into thousands of in-stock parts and trusted sourcing partners to get you exactly what you need. No guesswork.
03
Pick Up Same-Day or Get It Shipped Nationwide
Pick it up today at our Baton Rouge counter, or have it shipped worldwide with the same-day speed and accuracy you expect.
Collins-Oliver
Your Local Source for Fast, Reliable Tube Fittings Since 1986
Don't you need a supplier you can count on?
Customers across Baton Rouge and beyond turn to Collins-Oliver when they need industrial fittings, instrumentation valves, and tubing accessories—fast. We carry only new and new surplus products from the names you trust: Swagelok, Parker CPI, Hy-Lok, SSP, Superlok, Let-Lok, Gyrolok, and more.
We stock over 19,000 different part numbers and maintain more than 1 million pieces in inventory—so when you need fittings, valves, or stainless tubing fast, you’re not waiting on a factory lead time. You’re pulling from inventory built for speed.
Complete Line of Tube Fittings, Unions, and Adapters
What's the most effective way to keep your operation running? Start with the right parts—in stock, ready to go.
We stock millions of parts, compression fittings, bulkhead fittings, union fittings, ferrule fittings, and tube adapters in sizes and specs suited for industrial machinery and high-pressure systems. Need JIC fittings, SAE fittings, metric tube fittings, bite-type fittings, or AN fittings? Our inventory is deep, our response is immediate, and we're ready to get you back online today.
Brand-Name Valves, Couplings, and Quick-Connect Options
Looking for valve fittings, manifolds, swivel joints, or quick connect fittings that won't let you down?
We carry push-to-connect fittings, quick disconnect fittings, and o-ring face seal fittings across multiple series and standards. This includes products engineered for pneumatic systems, fluid transfer systems, and specialty configurations that demand precision and reliability.
Need the Right Thread? The Perfect Angle? The Exact Connector?
From threaded fittings like NPT fittings, BSP fittings, and DIN fittings, to format-specific parts like crosses, nipples, plugs, caps, reducers, and swage nipples—we help you match and install the right part the first time.
We also stock flanged fittings, banjo fittings, elbow fittings, tee fittings, and connector fittings in materials including brass, copper, nylon, PTFE, and polyethylene. Whatever your system demands, we've got it.
Collins-Oliver
Collins-Oliver Is a Different Kind of Industrial Equipment Supplier
For over four decades, Collins-Oliver has built trust by delivering what others delay. Our team is known for fast service, inventory management, and friendly staff that gets it right the first time. Whether you need to identify an old fitting, find a discontinued model, or get parts to a jobsite today we make it happen with accuracy and urgency.
Testimonials
What Our Clients Say
For decades, contractors, maintenance teams, and industrial facilities have relied on Collins-Oliver for speed, accuracy, and dependable inventory. Here’s what real customers say about working with a supplier that delivers when downtime isn’t an option.
Frequently Asked Questions
All Your Questions Answered
Do you offer same-day pickup or will-call?
Absolutely. Our counter is built for contractors who move fast and can't afford delays.
Can I get specialty parts like Parker A-Lok, Superlok, or DK-Lok and Hy-Lok?
You bet! We specialize in new and new surplus from major instrumentation manufacturers — Swagelok, Parker CPI, Parker A-Lok, Hy-Lok, Hoke, Gyrolok, Bilok, Let-Lok, SSP, Tylok, Kor-Lok, Dl-Lok, Superlok, and more.
Blog
Latest News & Blog
Stay informed and empowered with expert tips, industry news, and the latest Collins Oliver stories.
The Real Cost of Downtime: Why Inventory Depth Matters
May 20, 2026
TL;DR A missing $40 fitting can park a $40 million plant. The cost of the […]
Choosing Between Swagelok and Parker for Process Control Systems
May 18, 2026
TL;DR Swagelok dominates instrumentation and process-control specifications. Parker dominates hydraulic and pneumatic distribution. Both brands […]
Common Failure Points in Industrial Ball Valves and How to Avoid Them
May 16, 2026
TL;DR Ball valves fail in five predictable ways: seat extrusion, stem leak, ball pitting, actuator […]