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Dixon® Ground Joint Stem, Series: Boss™, Stem, 4 in Nominal, Iron, Plated, 5-5/16 in dia x 8-3/8 in L, Domestic
Features
The stem part that is clamped to the hose is one half of the boss ground joint connection
The boss ground joint spud part of the coupling serves as the other half and is usually fixed to the equipment
The two halves are connected or disconnected by rotating the wing nut on the spud, when connected they achieve both a mechanical and a pressure seal
Easy to seal
Boss ground joint complete couplings supply a convenient threaded fitting to connect two lengths of hose, or a single length to a male or female threaded outlet
Leakproof seal forms when the metal head of the stem makes contact with the patented polymer seat in the boss ground joint spud
Use with Boss™ clamps
Recommended for steam service up to 450°F
Worn-out hose couplings can be dangerous
They should be checked regularly and replace when necessary
Each coupling user should review applications and add safety devices where indicated
Note: pressurized steam is an extremely dangerous commodity
Only hose, fittings, clamps and accessory items that have been approved for steam service should ever be used! never use an unapproved item for steam service
Always follow the manufacturer's product recommendations for pressurized steam handling
Boss couplings are all-purpose hose couplings, universally recommended for steam hose connections
They are also widely used for air, water, fluid petroleum, chemicals and liquid petroleum gas up to 1 in ID
Boss couplings can be applied to many types of rubber, synthetic, plastic, metallic or semi-metallic hose