Boss Double Spud

Availability: In stock


“Boss” Ground Joint Double Spud is threaded NPT adapter is plated steal suitable for steam applications. Recommended for steam service of up to 232 °C.


Additional information


Ground Joint Fitting


Boss Spud with screw-on Male Thread, and Male Thread Outlet

Sizes Available

3/4" – 2"

Standard Materials

Standard Materials bluish plating carbon steel

Thread Types

Male NPT pipe thread by male NPT thread type

Working Temperature

Recommended for steam service up to 232°C




Boss Double Spud Applications

Boss double spud couplings are all purpose hose couplings, therefore universally recommended for steam hose connections. Furthermore they are also widely used for air, water, fluid petroleum, chemicals and liquid petroleum gas up to 1″ ID.


Ground joint couplings supply a convenient threaded fitting to connect two lengths of hose, and a single length to a male or female threaded outlet


• The spud part of the coupling serves as one half of the Boss Ground Joint connection therefore it is usually fixed to the equipment. As a result stem part that is clamped to the hose is the other half. The two halves are connected or disconnected by rotating the wing nut on the spud. Finally when connected they achieve both a mechanical, and a pressure seal.

• Easy to seal

Safety Precautions

• 175 PSI Maximum recommended operating pressure: coupling joint only – not hose retention.

• Use safety clips in holes provided on each coupling. Use steel safety cables to guard against accidental separation of lines.


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