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Superlok Threaded Instrument Fittings

IA Series

Technical Specs

Primary Connection Range:
1/16" - 2" MNPT
Secondary Connection Range:
1/16" - 2" FNPT
Alt Primary Connection Range:
1/8"- 1" Male ISO Paralell (BSPP)
Alt Secondary Connection Range:
Pressure Rating:
Body Material:
Stainless - 316L - Passivated
Port Size:
Orifice Size:
Seal Type:
NPT (Thread Sealant Required)
Seal Material:
Seat Material:

IA Series

This chart shos the pressure ratings broken down by thread gender and size. If you need assistance with this chart please call 405-509-2665.

This fitting is designed to connect male NPT to female NPT connections of the same size.

Superlok instrumentation grade NPT fittings are precision machined from 316L stainless steel and passivated.

These fittings are cut to a near polished finish on the the interior aiding in smooth flow and giving less purchase for contaminants that would adhere to the inside of the fittings.

The fitting is also available as a Male ISO Parallel (BSPP) to FNPT adapter.

Contact Mako Products for more information.

Specialty sizing may be available upon request.

IA Series

Superlok Instrumentation NPT Adapter

Connects female threaded ports to male threaded studs

IA series adapters can be ordered to convert NPT to ISO Parallel thread (BSPP) upon request.

Superlok Instrumentation fittings are machined from 316L stainless steel and fully passivated for high corrosion resistance and longevity of service.

Available sizes

  • 1/8"
  • 1/4"
  • 3/8"
  • 1/2
  • 3/4"
  • 1"

Contact us below for more information.

Cross Brand Part Number Look-Up

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Contact Info


13823 Santa Fe Crossings Dr Edmond, OK 73013

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Local: 405-509-2665
Toll Free: 1-844-200-MAKO (6256)


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