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LS-2 hot tap and line stop fittings to Class 300, and split sleeves for steel and cast iron gas pipe.

Dresser LS-2 fittings let a crew tap or stop a live gas main, then close the outlet with a completion plug. Dresser split sleeves enclose leaks on steel and cast iron gas pipe. This collection serves gas utilities and pipeline contractors.
We supply LS-2 fittings, plugs, O-rings and sealing cups, and Style 50, 54, 73 and 96 sleeves by Dresser part number. Call 1-888.510.4036 or email sales@watermainsupply.com. Genuine Dresser equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.
LS-2 Class 150: 285 PSI at 100°F. Class 300: 740 PSI at 100°F, with completion plug and cap or blind flange installed. Styles 54, 73 and 96: 500 PSI. Style 50: 100 PSI.
LS-2 fittings are designed for Class 1, 2, 3 and 4 locations.
LS-2 weld fittings weld to steel mains; split sleeves bolt around the pipe. Style 50 is for cast iron mains.
Send the pipe OD, pipe material and line content. We confirm the part number before you order. 1-888.510.4036 · sales@watermainsupply.com
Tap or stop a line under pressure, or enclose a leak.

Class 150, 285 PSI Gas
Weld-on hot tap and line stop fitting in plain body, side outlet and reduced branch builds.

Class 150 and 300, Gas
Spherical tee hot tap fitting in Class 150, Class 300 and fully rated Class 300.

Cast Iron Gas Main
Split repair sleeve for cast iron gas mains, plain or with a branch, LS-2 or Blackhawk fitting.
| Listing | Sizes | Rating (Dresser) | Pipe | Use |
|---|---|---|---|---|
| LS-2 Weld | 1-1/4 to 12 in | 285 PSI | Steel | Hot tap, line stop |
| LS-2 Split Sleeve | 2 to 12 in | 740 PSI | Steel | Hot tap, line stop |
| LS-2 Spherical | 2 to 12 in | 285 to 740 PSI | Steel | Hot tap |
| LS-2 Completion Plug | 1-1/4 to 12 in | By class | LS-2 fittings | Closing the outlet |
| Style 50 | 4 to 24 in | 100 PSI | Cast iron | Repair, tap |
| Style 54 | 2 to 4 in | 500 PSI | Steel | Repair |
| Style 73 | 2 in | 500 PSI | Steel | Repair |
| Style 96 | 6 to 20 in | 500 PSI | Steel | Repair |
We do not list another brand of gas hot tap fitting or gas split sleeve, so there is no like-for-like comparison here. For water main tapping, see our Dresser and Smith-Blair tapping sleeves.
| Job | Pipe | Recommended | Notes |
|---|---|---|---|
| Hot tap to 285 PSI | Steel | LS-2 Weld | Weld by qualified personnel |
| Hot tap to 740 PSI | Steel | LS-2 Split Sleeve or Spherical | Class 300 |
| Close a hot tap | LS-2 fitting | LS-2 Completion Plug | Match class and size |
| Leak on cast iron main | Cast iron | Style 50 | 100 PSI |
| Leak on small steel pipe | Steel 2 to 4 in | Style 54 or 73 | 500 PSI |
| Leak on larger steel pipe | Steel 6 to 20 in | Style 96 | 500 PSI |
Choose Class 150 or Class 300 from the line MAOP, and use the completion plug of the same class.
LS-2 weld fittings are welded to the main by qualified personnel under your operator procedures.
Measure pipe OD with a pi tape. Pick the vent size you need for the repair.
Class 150 at 285 PSI and Class 300 at 740 PSI.
Close the outlet so the valve can be removed.
Fully rated Class 300 spherical tees for all class locations.
Plain body, side outlet and reduced branch builds.
Styles 54, 73 and 96 for steel pipe.
Every variant ends with the Dresser part number.




Genuine Dresser parts, listed by Dresser part number.
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, so you get exactly what the spec calls for.
Net terms for contractors, utilities and municipalities on approved accounts.
Dresser technical 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.
Class 150 is 285 PSI at 100°F and Class 300 is 740 PSI at 100°F, with completion plug and cap or blind flange installed.
Class 1, 2, 3 and 4 locations.
Yes. The LS-2 completion plug closes the outlet after the tap or line stop.
100 PSI maximum allowable operating pressure on cast iron gas mains.
Pick by pipe material and OD: Style 50 for cast iron, Style 54 or 73 for small steel pipe, Style 96 for 6 to 20 in steel.
Yes. Email sales@watermainsupply.com with the part numbers.
No. We supply the fittings, plugs and sleeves.
Send the pipe OD, material and line content. We confirm the Dresser part number and quote the same day.