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Description
dresser coupling Dresser Style 38 CouplingDescription Dresser Bolted Coupling Style 38 Coupling Cast & Ductile Iron Pipe Bolted sleeve coupling for plain end cast iron and ductile iron pipe in nominal sizes 14 in through 48 in. Field proven joint flexibility, leakproof seal, and tool only installation. Sizes 14 in 48 in NSF 61 & 372 Approved Fusion Bonded Epoxy ID OD Grade 27 BUNA S Gasket AWWA C111 Bolting Looking for 3 in 12 in sizes? Smaller cast and ductile iron pipe sizes are supplied as
Description
Dresser Bolted Coupling
Style 38 Coupling
Cast & Ductile Iron Pipe
Bolted sleeve coupling for plain-end cast iron and ductile iron pipe in nominal sizes 14 in through 48 in. Field-proven joint flexibility, leakproof seal, and tool-only installation.
Sizes 14 in – 48 in
NSF 61 & 372 Approved
Fusion-Bonded Epoxy ID/OD
Grade 27 BUNA-S Gasket
AWWA C111 Bolting
Looking for 3 in – 12 in sizes?
Smaller cast and ductile iron pipe sizes are supplied as the Style 138 wide-range coupling, which fits the full OD spread per nominal size on a single part number.
View Style 138 →
Overview
The Dresser Style 38 is a bolted sleeve coupling for joining plain-end cast iron (CIP) and ductile iron pipe (DIP) in nominal sizes 14 in and larger. At these diameters the OD variation between legacy cast iron and current ductile iron is small enough that each size is supplied as a single dedicated coupling rather than the wide-range Style 138 design used for smaller diameters.
Style 38 couplings provide flexible, leakproof connections that absorb vibration and accommodate minor pipe movement and angular deflection. Installation requires only a wrench — no threading, beveling, or precise alignment.
Key Features
14 in & Larger CIP/DIP
Purpose-built for large-diameter cast iron and ductile iron mains in waterworks and utility distribution service.
NSF 61 & 372 Approved
Certified for potable water service with Grade 27 BUNA-S gasket and fusion-bonded epoxy ID/OD coating as standard.
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
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 (in) | Working Pressure (PSI) |
|---|---|---|
| 14 in | 15.30 | 575 |
| 16 in | 17.40 – 17.80 | 509 |
| 18 in | 19.50 – 19.92 | 450 |
| 20 in | 21.60 – 22.06 | 411 |
| 24 in | 25.80 | 349 |
| 30 in | 32.00 | 342 |
| 36 in | 38.30 | 287 |
| 42 in | 44.50 | 248 |
| 48 in | 50.80 | 218 |
Consult Inside Sales For
Standard supply is Grade 27 BUNA-S gasket with fusion-bonded epoxy ID/OD coating. Contact our team for sizes over 48 in or not listed, American Iron & Steel (AIS) or BABAA certification, AWWA C213 coating, all-stainless construction, or alternate gasket materials.
Ready to Order?
Confirm pipe OD, gasket grade, 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.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.4 ★★★★★
Based on 22 reviews
Sort
Product Reviews
★★★★★ 5
Best pillow I've ever had
Size: Queen (Pack of 1)
I don't really write reviews but holy buckets, Batman. This pillow is legit. Back, neck, and shoulder pain is nothing new for me; I've had scoliosis since I was a kid and hyperflexibility in my neck since birth leading to frequent muscle spasms that have caused me to miss work.
Guys. This pillow. It is the most comfortable pillow I've ever had. Like, my neck doesn't hurt and I genuinely didn't remember what that felt like. It's simultaneously supportive and soft and it doesn't sink in. The instructions are super clear to understand and the pillow fluffs up no problem if it gets a little flat. This is a game changer for me and I so hope anyone who buys this has the same experience.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
I highly recommend this pillow, it’s great for someone with neck or back problems.
Size: Queen (Pack of 1), Size: Queen (Pack of 1)
I absolutely love this pillow! When it says it’s adjustable it definitely means that. When you first get it, it’s hard to believe that it’s going to be anything but put it in the dryer for a few minutes and it becomes so large. You will definitely have to remove some of the stuffing unless you like a really large fluffy pillow.
The stuffing is high-quality and once it has been put into the dryer it becomes a fibrous type material that can be fluffed over and over and go back to the same size. It seems to be a high-quality cover on the outer portion and is thick and has a slight cooling affect. It has a separate cover on the inner portion covering the foam stuffing.
I ordered this because I have neck problems and it has been super comfortable for me because I’m able to adjust it multiple times depending on my needs for the particular night when I lay down. Having the extra stuffing means that if the pillow does happen to go flat I can always add the extra that I took out when I received it.
It did have a slight odor when it first came, but after putting it in the dryer, it went away immediately. I do think that’s only due to the plastic that it’s shipped in not anything with the pillow.
I think this pillow is well worth it price and I would highly recommend it for anyone that is a side or back sleeper or has any type of neck problems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026
★★★★★ 5
Amazing!
Size: King (Pack of 1)
Such a great pillow I’m buying another one! You can add or subtract stuffing to your liking. It’s really nice quality, quilted and soft. Best pillow ever. Super comfy and great sleep. Pretty firm with all the stuffing. Perfect the way it came with stuffing on the side. My husband loves it and now I want one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Totally worth the money
Size: King (Pack of 1), Size: King (Pack of 1)
Right off the bat, the packaging is absolutely adorable and felt like I was buying a premium product. I love that this pillow is adjustable and as a side sleeper, I needed a pillow that is both firm and supportive of my neck. This hits all the boxes. We will be buying more of these for our bed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Soft and cool.
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Love this pillow set. Comfortable addition and nice and cool at all times. Going to be great for when the hot weather hits
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
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