Copper-Nickel Specialty CuNi Fittings
Beyond standard catalog fittings, we forge specialty copper-nickel components for instrumentation tie-ins, vent/drain points, hose connections and custom configurations engineered to a customer's drawing or application requirement.
Specialty CuNi Fittings — Full Range
Equal Tee
Equal three-way branch, specialty configuration
Reducing Tee
Branch tee with reduced outlet
Equal Cross
Four-way equal branch, specialty configuration
Reducing Cross
Four-way cross with reduced outlets
Bull Plug
Heavy forged solid plug
Hex Plug
Specialty hex head plug
Square Plug
Specialty square head plug
Union Nut
Replacement union nut component
Reducing Insert
Custom reducing insert
Instrument Tee
Branch tee for instrument tie-in
Instrument Connector
Instrument tie-in connector
Vent Plug
Drilled plug for venting
Drain Plug
Drilled plug for draining
Hose Adapter
Pipe-to-hose transition fitting
Compression Adapter
Compression-fit transition fitting
Special Forged Connector
Custom forged connector to drawing
Representative Dimensions
Nominal reference values by size — exact dimensions vary slightly by fitting type. Full certified dimensional data sheets are available on request.
| NPS | Connection Type | Typical Wall (mm) | Notes |
|---|---|---|---|
| 1/8" – 1/2" | Threaded / Socket | 2.3 – 2.9 | Instrument & vent/drain sizing |
| 3/4" – 2" | Threaded / Socket / Compression | 3.0 – 3.9 | Utility & hose connections |
| 2-1/2" – 4" | Socket / Threaded / Custom | 4.5 – 5.1 | Larger transition & custom parts |
Other Product Categories
Request Pricing on Specialty CuNi Fittings
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