This is a JIC double nipple with NPT and UNF threads. Zinc-coated steel fittings provide some corrosion resistance, but are not meant for corrosive environments. The maximum operating pressure is 275 bar (3863.75 psi).
Specifications
Thread : UNF 7/16-20
Thread (smaller) : 1/4 inch
Dash Size : 4
Connection type : Inner thread conical (NPT),Outer thread flare (UNF)
Material : Steel
Max pressure at 20 °C (bar) : 275
Fitting features : Reducing
Material connection 1 : Steel
Material connection 2 : Steel
Shape : Straight
Surface protection connection 1 : Galvanic zink plated
Surface protection connection 2 : Galvanic zink plated
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