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Resources

Field notes from the plant floor

Short, practical engineering reads from forty years of industrial plant work. No gated PDFs, no fluff.

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Filtration

Industrial Filtration Systems: What Portland Oregon Plants Need to Know Before Buying

What Portland area plants should know before buying industrial filtration systems: matching media and housings to real process conditions, choosing between ten filtration manufacturers, and the questions worth asking before you sign a quote.

7 min read

Suppliers

Finding a Process Equipment Supplier That Actually Picks Up the Phone in Portland Oregon

How to pick a process equipment supplier around Portland that answers the phone, knows your application, and gets the right part moving. Sixteen manufacturers, two divisions, one engineering desk since 1985.

8 min read

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Manufacturers Rep

What an Industrial Manufacturers Representative in Portland Oregon Actually Does for You

A manufacturers' representative sits between your plant and the factory. Here is what Control Factors does for Portland-area engineers, who we represent, and how to get a fast, accurate quote.

8 min read

Stainless process piping and vessels in a bright process plant

Steam Systems

What a Failed Steam Trap Actually Costs a Plant

A failed-open trap leaks steam continuously; a failed-closed trap floods coils and stalls production. Here is how to size the loss and build the case for a survey.

6 min read

Filtration

Bag Filter or Cartridge Filter: Choosing the Right Housing

Bags win on flow and dirt load; cartridges win on fine, absolute-rated duty. The right answer is often both. Here is the selection logic we use.

5 min read

Filtration

Strainer Selection: Simplex, Duplex, Y, or Self-Cleaning

The right strainer protects the pump and never stops the line. The wrong one becomes the line. A short guide to the four main types and when each applies.

5 min read

Pressure vessels with actuated valve and instrument hardware in a bright plant room

Overpressure Protection

Rupture Disk Basics: When a Disk Beats a Relief Valve

Instant full-bore relief, zero leakage, and no moving parts. Where rupture disks outperform relief valves, and where the two belong together.

5 min read

Jacketed and insulated piping runs in bright daylight

Heat Tracing

Freeze Protection Design for Industrial Plants

Cold-climate design temperatures freeze exposed lines in hours. How a heat trace system is actually sized, and where designs go wrong.

6 min read

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