Boss Fittings
Positive Metal-to-Polymer Seal
- A leak-proof seal is formed when the metal head of the stem makes contact with the patented polymer seat in the spud.
- The non-metallic polymer seat resists most chemicals found in manufacturing facilities.
- Recommended for steam service up to 450° F
- Easy to seal
- Works with existing fittings
- Plated steel and/or iron
- Use with Boss Clamps
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Ground Joint Air Hammer Couplings
- Ground Joint Type- rounded steel head of stem fits concave inserts in spuds for superior sealing.
- Metal-to-metal copper seat seal
- Plated steel and/or iron
- For use with Boss Clamps
| Wing Nut
 Double Spud
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