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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
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Product Reviews
★★★★★ 5
Wonderful book
Format: Hardcover
I have given this book as a gift to so many people at times that their lives are taking a turn.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Beautiful physical book / perception altering offerings
Format: Hardcover
I encountered this book when I was 9 years old and it completely changed the way I lived my life and viewed others. No more woe is me, nor life isnʻt fair. Instead I realized my actions and perceptions are in my control. Truly mind altering.
Annually I have a selection of books and other writings, including The Prophet, that I read again. The Prophet is always fresh and I come away with new eyes and attitude.
The hardcover book is beautiful with the book pages kissed with a serene blue that is reflected on the cover and the text within. Just looking at the book makes me feel calm and ready for the words of love, acceptance, and the freedom to be.
I purchased this book for myself to replace the tattered paperback I was given as a child. After reading and rereading over the past couple of days I am going to purchase a few more books to gift to people I love.
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Reviewed in the United States on February 23, 2024
★★★★★ 5
Beautiful Book
Format: Hardcover
Book is nicer than expected. I highly recommend this book for personal collection or for a gift. The edges are blue gilded and the cover is lovely. It has a nice index which was not available in another "The Prophet" book I previously ordered. "The Prophet" is one of my favorite books.
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Biblical Style With Nondenominational, Contemporary Influences
Format: Kindle
I've read this twice now. It has the feel of an apocryphal book of the Old Testament, with a serious but heartwarming rhetorical style. The contents of the prophet's sermons are fairly modern, but the topics are abstract enough that they feel timeliness. This is a fun grab bag of aphorisms. Your mileage will vary based on how clearly the metaphor of each aphorism speaks to your own experience. I always find this book intriguing, but inherently hit or miss.
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Reviewed in the United States on December 31, 2023
★★★★★ 5
Beautiful Book Filled With Timeless Wisdom And Poetic Imagery
Format: Hardcover
This book just entered the public domain here in the United States and I heard good things about it so I thought I order a copy to celebrate Public Domain Day and introduce myself to this classic work of literature. This is a nice, sturdy hardcover edition from Penguin Classics with blue gilding on the pages and a sweet forward by Rupi Kaur who herself was inspired by the book growing up.
With the first page, I was hooked and read the whole way through. The language is so elegant and rhythmic, and the lessons being taught are quite profound, for example the section on "Crime and Punishment" and how it speaks about citizens viewing criminals as "strangers" when they themselves have the same propensity to committing similar acts really stood out to me upon my first reading.
Even though it's a very short book (about 100 pages long), it is so dense with imagery that it could take multiple re-readings in order to grasp every detail and inner truth being written. I plan to revisit this book every now and again in order to do so and it would serve as a nice companion for my life's journey. I highly recommend this to everyone.
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Reviewed in the United States on January 16, 2019