SKU: 21189966447
dresser coupling

dresser coupling Dresser Style 138 Coupling | Cast/Ductile Iron 3 in - (3.74 - 4.02) / .188X5

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Size: 4
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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.
Shop Watermainsupply.com
281.664.8000
[email protected]
© Watermain Supply — A division of E4 Industrial LLC
Submittal

Style 38/138/40 CIP/DIP Submittal

Catalog

Water Pipe Joining Products Catalog

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 21189966447

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SKS
Alexandria, US
★★★★★ 5
Worked in RDX 2nd gen
It fit perfect in RDX 2nd gen. The filter built quality looks pretty much like OEM or better. I do not see any performance issue. Price was reasonable. Its a good buy.
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Reviewed in the United States on April 13, 2024
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Yianni Tripodis
Carnegie, US
★★★★★ 5
Price/Quality
Packaged very well, perfect fit and the quality looks great. Well worth the price.
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Reviewed in the United States on April 11, 2026
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Roscoe and Tori
Belleville, US
★★★★★ 5
DIY!!
Bought this cabin air filter for my 2015 Honda CR-V and it fit perfectly. Installation was super easy and only took a few minutes. I immediately noticed the air coming through the vents smelled cleaner. No need to have it replaced for you. Definitely worth it if you want an affordable replacement that gets the job done.
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Reviewed in the United States on May 19, 2026
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Ben W.
Cuba, US
★★★★★ 5
Perfect replacement
Perfect replacement for our 2016 Acura RDX. Easy to install.
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Reviewed in the United States on May 3, 2026
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H.Tran
Fort Morgan, US
★★★★★ 5
Impressive Air Quality Upgrade
I recently upgraded my 2019 Honda Civic with the A-Premium Cabin Air Filter with Activated Carbon, and I couldn't be more thrilled with the results. This cabin air filter offers exceptional value for money, proving that you don't have to break the bank for improved air quality inside your car. Installing the A-Premium Cabin Air Filter was a breeze. It fit perfectly into my Honda Civic's existing filter slot, and the installation process was straightforward, even for someone with limited automotive knowledge. The filter's precise dimensions and design made it a seamless replacement, saving me time and effort. The included instructions were clear and concise, further simplifying the installation process. The activated carbon feature of this cabin air filter is truly remarkable. It works wonders in improving the air quality inside the car's cabin by effectively trapping and neutralizing odors, pollutants, and allergens. I immediately noticed a significant difference after installing the A-Premium filter. The cabin air felt fresher, and I could breathe easier knowing that the filter was efficiently removing harmful particles and unpleasant smells. Considering the affordability of this product and the tangible benefits it provides, the A-Premium Cabin Air Filter with Activated Carbon is an excellent investment. It delivers on its promise to enhance the air quality inside your vehicle, making your driving experience more comfortable and enjoyable. If you're seeking an affordable yet effective cabin air filter upgrade for your 2019 Honda Civic, I highly recommend the A-Premium Cabin Air Filter with Activated Carbon. Its exceptional value for money, ease of installation, and remarkable impact on air quality make it a standout choice that won't disappoint. Upgrade your driving environment today and experience the difference for yourself.
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Reviewed in the United States on June 25, 2023

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