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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
4.7 ★★★★★
Based on 2130 reviews
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Product Reviews
★★★★★ 2
Great Espresso Machine for Beginners
Color: Silver
Update:
Milk teamer doesn't deliver the foam like at the first couple of days, and the espresso doesn't come with the crema any longer. Somehow the pressure goes above the espresso range, and I tried to decrease the amount of coffee, and no results. I am so disappointed.
First thing that impressed me about this little espresso machine is how easy it to use. You can make a double espresso shot in literarily 1 minute. Second thing is size, the machine is pretty compact that you can place it anywhere in the kitchen without worrying about taking too much space. Also, it heats up quick, and the options are straightforward. The water tank is just the perfect size, which is excellent for me, and I don't have to refill water constantly.
Performance-wise, it feels solid and does an excellent job making shots like what you'd expect in a cafe. The water pressure is just right, delivering this espresso shot without the extra acidity. The flowmeter regulates the water evenly which is great in making that creamy espresso. Something else to note, it's small and also quiet, which is big to me since the last one was making unnecessary noise every time I make a shot. Now, the milk frother is pretty decent, and create that foam you'd love to see in your cappuccino and latte.
Overall, this is a pretty decent choice, and feels durable.
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Reviewed in the United States on August 29, 2025
★★★★★ 5
Make lattes at home now
Color: Rose Golden
Love this machine.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Nice upgrade 51mm for me
Color: Silver
This is my second 51mm machine. I never used the included handle or basket… I kept my existing HUGH IMS precision basket and bottomless portafilter. The temp and preinfusion are set and not adjustable but fine (reduced variables). I defeated the shut off by volume by setting higher than needed (wish that was easier to turn off). I like to manually shut off when I hit 30g on my scale. The machine will drip since there is not solenoid valve so I just pull the scale from the try when mouse tail breaks and drip starts. The steam wand and hot water dispenser is a massive upgrade (from Capresso EC50) and the real reason for my upgrade. I would have paid $50-100 more for the improvements listed… but I guess most people would not so this is about the best option for me with 51mm (keeping all the 51mm three lug portafilter stuff I own). 5 stars = for me and the price
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Reliably makes a good cup of coffee!
Color: Rose Golden, Color: Rose Golden
This espresso machine is great. I wanted something simple and reliable and that’s exactly what it is. In fact, the espresso comes out with a nice creamy coffee froth on top and the flavor is excellent. I don’t normally write reviews, but I think this one is worth it and I want them to stay in business because I’ll probably be sending some of these out as gifts come next Christmas.
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Easy to use
Color: Silver
Easy to use compact and easy to set up pulls some great espresso shots
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Reviewed in the United States on February 24, 2026