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Bolted couplings, repair clamps, tapping sleeves, service saddles, joints and gas fittings for water, industrial and gas pipe, ordered by Dresser part number.

This is every Dresser product we list, in one place. Dresser builds couplings and fittings that join, repair, tap and cap pipe without welding: bolted couplings for steel, cast iron and ductile iron, full circle repair clamps, stainless tapping sleeves, wide range service saddles, flange adapters and dismantling joints, plus a full gas line of seal and restraint couplings, hot tap fittings and meter valves.
Start with the collection that matches your job below, or call 1-888.510.4036 with the pipe OD and material and we confirm the Dresser part number. Genuine Dresser equipment, factory-new in original packaging, sold and supported by Watermain Supply, an independent industrial supplier.
Couplings, repair, tapping and service products for water mains and industrial lines.









Seal and restraint couplings, hot tap fittings, repair sleeves and meter set valves for gas mains and services.






Steel Pipe, 1/2 in to 48 in
The classic Dresser bolted coupling: a middle ring, two followers and wedge gaskets join plain-end steel pipe without welding.

All Stainless
Extended range cam lug clamp that seals holes and breaks on live water mains.

Flanged Outlet
Stainless tapping sleeve with a recessed flanged outlet for a new branch on a live main.
| Job | Pipe | Go to |
|---|---|---|
| Join two plain-end pipes | Steel, CI, DI | Pipe Couplings |
| Join pipes of different OD or material | Mixed | Transition Couplings |
| Seal a hole or break on a water main | Any common main | Water Main Repair Clamps |
| Repair a leaking bell or collar | CI, DI, AC | Repair and Bell Joint Clamps |
| Tap a live main for a branch | 4 in and up | Tapping Sleeves |
| Add a water service connection | 2 to 48 in | Service Saddles |
| Connect pipe to a flanged valve or pump | Steel, CI, DI | Flange Adapters and Joints |
| Join or restrain gas pipe | Steel, PE | Gas Couplings and Fittings |
| Hot tap or stop a gas main | Steel | Gas Hot Tap Fittings |
| Meter set or curb valve | Steel, PE | Gas Meter Valves |
| Replace a coupling gasket | By style | Replacement Gaskets |
We carry both brands, and most Dresser styles have a Smith-Blair counterpart: Dresser 38 and Smith-Blair 411 couplings, Dresser 360 and Smith-Blair 226 clamps, Triple Tap and Smith-Blair 665 tapping sleeves, Dresser 128 and Smith-Blair 913 flange adapters. Each collection page above compares the two side by side. Send us the pipe OD, material and pressure and we quote the better fit from either brand.
Use a pi tape on the pipe barrel. Most Dresser products are listed by OD range, and the same nominal size can mean different ODs on steel, cast iron, ductile iron and PVC.
Gasket grade and pressure rating depend on what the line carries. Water, gas and industrial service often use different builds.
Every variant ends with the Dresser part number, so a spec or a field tag can be matched exactly. Search the part number on our site or send it to us.
Most Dresser couplings, clamps and adapters seal but do not restrain the pipe; anchor the line where thrust or pullout can act. For restrained gas joints, use the Style 711.
We check pipe OD, material and line content against Dresser data before we quote.
We carry Dresser and Smith-Blair. If one is not the right fit for your job, we say so.
Every variant ends with the Dresser part number.
Net terms for contractors, utilities and municipalities on approved accounts.
Dresser specifications and installation instructions are attached to each product.
Houston-based team for the Gulf Coast and nationwide shipping.
12 months from the date of purchase under Dresser published warranty terms.
Measure the pipe OD with a pi tape, note the pipe material and line content, then pick the collection for your job. Every variant ends with the Dresser part number. Or send us the details and we confirm it.
Most Dresser couplings and clamps seal without restraining. The Style 711 is the seal and restraint coupling for gas. Anchor other joints where pullout could occur.
Yes. See the gas couplings, hot tap fittings and meter valve collections.
Often yes. Send the Dresser part number or the job details and we quote it.
Yes. Most Dresser styles have a Smith-Blair counterpart on our site, and we quote whichever fits better.
Yes. Email sales@watermainsupply.com with the part numbers.
Net terms are available to contractors, utilities and municipalities on approved accounts.
Send the pipe OD, material and line content. We confirm the Dresser part and quote the same day.