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Description
dresser coupling Dresser Style 138 Coupling | Cast/Ductile Iron 3 in - (3.74 - 4.02) / .188X5Description Dresser Bolted Coupling Style 138 Coupling Cast & Ductile Iron Pipe Wide range bolted sleeve coupling for plain end cast iron and ductile iron pipe. One nominal size covers the full OD spread from legacy cast iron through modern DIP. Sizes 3 in 12 in 250 PSI Working Pressure Fusion Bonded Epoxy ID OD NSF 61 & 372 Certified AWWA C111 Bolting Overview The Dresser Style 138 is a wide range bolted sleeve coupling for joining plain end cast
Description
Style 138 Coupling
Cast & Ductile Iron Pipe
Wide-range bolted sleeve coupling for plain-end cast iron and ductile iron pipe. One nominal size covers the full OD spread from legacy cast iron through modern DIP.
The Dresser Style 138 is a wide-range bolted sleeve coupling for joining plain-end cast iron (CIP) and ductile iron pipe (DIP) in nominal sizes 3 in through 12 in. Its key advantage is a single coupling per nominal size that covers the full OD range — whether the line in the ground is legacy cast iron or current-production ductile iron, one part number fits the joint.
Style 138 couplings provide flexible, leakproof connections that absorb vibration, accommodate pipe movement, and require no threading, beveling, or precise pipe alignment. Installation is wrench-only.
| Nominal Size | Outside Diameter Range (in) | Working Pressure (PSI) |
|---|---|---|
| 3 in | 3.74 – 4.02 | 250 |
| 4 in | 4.74 – 5.06 | 250 |
| 6 in | 6.84 – 7.16 | 250 |
| 8 in | 8.99 – 9.36 | 250 |
| 10 in | 11.04 – 11.46 | 250 |
| 12 in | 13.14 – 13.56 | 250 |
Submittal
Style 38/138/40 CIP/DIP Submittal
Catalog
Shipping Notes
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Exchange/Return Notes
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