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Dixon® Boss™ Ground Joint Complete Coupling with Spud, Connection Type 1: Hose Stem, Connection Size 1: 3 in, Connection Type 2: NPT, Gender 2: Female, Connection Size 2: 3 in, Hex Size: 4-7/8 in, Iron, Finish: Plated, Dimensions: 7-3/4 in Dia x 9-1/32 in L, For Use With: Boss™ Clamps
California residents see Prop 65 WARNINGS
| Fitting Type | : | Ground Joint Coupling |
| Connection 1 | : | 3 in Hose Stem |
| Connection Type 1 | : | Hose Stem |
| Connection Size 1 | : | 3 in |
| Connection 2 | : | 3 in NPT |
| Connection Type 2 | : | NPT |
| Gender 2 | : | Female |
| Connection Size 2 | : | 3 in |
| Hex Size | : | 4-7/8 in |
| Material | : | Iron |
| Finish | : | Plated |
| Dimensions | : | 7-3/4 in Dia x 9-1/32 in L |
| For Use With | : | Boss™ Clamps |
- The spud part of the coupling serves as one half of the connection and is usually fixed to the equipment
- The 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, when connected they achieve both a mechanical, and a pressure seal
- Positive metal-to-polymer seal
- Leak-proof seal forms when the metal head of the stem makes contact with the patented polymer seat in the Boss™ ground joint spud
- The non-metallic polymer seat resists most chemicals found in manufacturing facilities, reference the corrosion resistance chart for additional information
- Easy to seal
- Recommended for steam service up to 450 deg F
- Boss couplings supply a convenient threaded fitting to connect two lengths of hose or a single length to a male or female threaded outlet
Applications: 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 ID. Boss couplings can be applied to many types of rubber, synthetic, plastic, metallic or semi-metallic hose
Safety Notes:
- 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.
- 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.
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