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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
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 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.
Key Features
Wide OD Coverage
One coupling per nominal size fits the full OD spread of cast iron and ductile iron pipe — from older CIP to current DIP production.
CIP & DIP Application
Engineered specifically for plain-end cast and ductile iron pipe in waterworks and utility service.
Tool-Only Installation
No threading, beveling, or pipe alignment required. A wrench is all that’s needed for a leakproof joint.
Flexible Joint
Absorbs vibration and accommodates minor angular deflection and pipe movement at the joint.
Materials of Construction
Followers
AISI C1012 or ASME SA36
Steel followers indicated by part number suffix
Middle Ring
ASTM A513 / A635 / SA675 Gr.60
Steel sleeve body
Bolts & Nuts
AWWA C111 / ANSI A21.11
Black E-coated steel as standard
Gasket
Grade 27 BUNA-S
Standard supply
Standard Coating
Fusion-Bonded Epoxy ID/OD
Factory-applied
Optional Coating
Dresser RED-D Shopcoat
Available on request
Sizes & Working Pressure
| 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 |
Consult Inside Sales For
Standard supply is Grade 27 BUNA-S gasket with fusion-bonded epoxy ID/OD coating. Contact our team for products requiring American Iron & Steel (AIS) certification, alternate gasket materials, or alternate coatings.
Ready to Order?
Confirm pipe OD and any special requirements before placing your order.
Submittal
Style 38/138/40 CIP/DIP Submittal
Catalog
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
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Product Reviews
★★★★★ 4
Excellent book with a lot of solid advice
Format: Kindle
I thought this was an excellent book. It gave great advice that I found really helpful in thinking about and planning my startup, as many of the other comments have noted. The key ideas as far as I remember are that a) you should talk to as many potential users as you can and find out what their problems are, and b) be laser-focused on solving those problems instead of building what it is you want to build, because the thing you want to create might not be the thing that they want to buy. In fact I did just that; I talked with just one potential user and found that what I had thought would be their big problem wasn't a problem at all for them, and looking at some hard numbers as he advises, it isn't a problem for the industry as a whole, either. I had to go back and reformulate my approach. I now have a 100% better value proposition for them.
Just two words of caution:
1) The book assumes that your startup is an app of some sort. Much of what he's talking about is therefore specific to the tech business. Mine isn't. Mine is a real product that people can hold in their hands. That wasn't a deal breaker by any means as most of the lessons in the book are still applicable to my product and what I'm doing. Still, it would've been nice of him to acknowledge that someone's start-up may be a lemonade stand or something material and concrete like that.
2) Is the vulger language necessary? I mean, English isn't like some other languages where there's an enormous difference between the way a language is written and the way it's spoken, but still, do we need so many obscenities in a book on business? It reads in some places like you're in a bar with a tech bro who's had a few drinks and is lambasting your approach to your business. I could've done without all the four-letter-words. But maybe that's just my generation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2025
★★★★★ 5
Essential reading for startup entrepreneurs
Format: Paperback
I wish I had read this book BEFORE I undertook my startup! It provides an essential guidance for entrepreneurs who are thinking about a startup and I highly recommend it to anyone considering it.
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Reviewed in the United States on December 27, 2025
★★★★★ 1
If you are sensitive to bad language, this is not a book for you.
Format: Paperback
Unnecessary swearing but if you don’t mind that, this book is ok. There are a few insights but would have liked to have heard him share real life experiences and how challenges were met and overcome or how those experiences shifted the business. Thank you.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Perfect for festivals
Scent: Unscented, Size: 6 Count (Pack of 8), Scent: Unscented, Size: 6 Count (Pack of 8)
Brought these to EDC Las Vegas and they were a lifesaver! Super compact and easy to toss in my bag. Loved that they're unscented and gentle on the skin. Perfect for staying fresh all night long!
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Discreet and useful!
Scent: Unscented, Size: 6 Count (Pack of 8)
These travel wipes are honestly perfect for keeping in a purse, backpack, or even in a pocket. The packs are super compact and discreet, which is perfect for work. The packaging is also quiet. but still stay moist, which is hard to find with travel wipes. They feel gentle and don’t irritate sensitive skin. The wipes themselves are soft but durable enough to actually use without tearing apart. The 6 pack is the perfect size and the wipes are full sized
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Reviewed in the United States on May 19, 2026