Product Category

Instrumentation and Tubing

Gauge isolation, flange venting and instrument lines. These products connect, isolate and protect gauges and instrument lines, and control flow direction on small high-pressure lines.

Instrumentation valves, bleed rings, check valves and stainless steel tubing
Instrumentation & Tubing

Products in This Category

Trilogy brass gauge cocks with handwheel

Gauge Cocks (Gauge Valves)

Brass gauge cocks with ball check for sight glass installs.

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Trilogy stainless steel bleed rings

Stainless Steel Bleed Rings

1" to 24" rings for Class 150, 300 and 600 flanges.

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Stainless steel tubing for instrumentation and hydraulic lines

Stainless Steel Tubing

Tubing for instrumentation, sample and hydraulic lines.

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Trilogy 1/4 inch 316 stainless steel inline check valves

Check Valves

316 stainless check valves rated to 6,000 psi WOG.

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Where They're Used

Built for the Field

Our team confirms the size and spec with you before your order ships, so the part fits the first time. Not sure what you need? Tell us what you're replacing and we'll help you match it.

  • Pressure gauge installations
  • Flanged instrument connections
  • Instrument, sample and hydraulic lines
  • Small-bore high-pressure lines

Need a part on location this week?

Send us the spec and quantity. We'll confirm availability and pricing fast.