HDPE Line Stopping Services
Why is line stopping important for HDPE pipe?​
​​​
Line stopping HDPE pipe is an especially valuable because it is typically the only means of shutting the pipe down. This is because no valve insertions exist for HDPE pipe.
​
Please find general information on line stopping here.
​
What is unique about performing line stops on HDPE pipe?
Variations in Pipe Wall Thickness: This is partially mitigated by N.S. Pawliuk's massive inventory of linestop equipment, allowing for on-the fly changes with no issue.
​
Contraction and Expansion:
​
Rarely, issues to arise during hot taps and can include leaks and lost coupons, where the section of cut-out pipe is lost within the pipe being tapped.
​
N.S. Pawliuk works hard to prevent issues from occurring through employee training. & experience, correct materials & equipment and adherence to industry best practices.
What sizes of outlets can be hot tapped?
​
The most common pipe materials in Canada can support outlets the same size as the existing pipe. Manufacturers make specialized tapping sleeves for this purpose. Click here to see examples of "size-on-size" taps we have completed.
Certain limitations apply, especially with concrete cylinder pipe. Contact us for more information.
What temperatures and pressure can be hot tapped?
​
Pipes containing virtually anything can be hot tapped (including flammable products such as natural gas), but N.S. Pawliuk specializes in hot taps performed on pipe containing potable water, wastewater and light industrial chemicals such as coolant, sludge and percolate.
HOT TAP SIZES AND CAPABILITIES
Sizes: 0.5" - 48"+
DR Ratings: we have equipment for most variety
Lead Times: We stock 300+ fittings.
Key take-aways - HDPE Line stops:
- HDPE pipe of most diameters and DRs can be line stopped.
- Line stopping is the only means of shutdown, as valve
- N.S. Pawliuk stocks 100+ line stop fittings for fast delivery on your next project.
Want to learn more about specific types of hot taps?
Service Taps
Hot taps from 3/4"-2" outlet size.
.png)
CCP Hot Taps
Hot taps on concrete cylinder pipe (commonly referred to as "Hypresscon").
Industrial Hot Taps
Hot taps in facilites, factories and water treatment plants.
HOT TAPS - EXAMPLE PROJECTS
Over the last 80 years in business, N.S. Pawliuk & Son Contracting Ltd. has installed thousands of hot taps across Canada. Here are some examples:
-
Existing 1200mm AWWA C-301 (Concrete Cylinder Pipe) x 900mm Outlet
-
Existing 500mm SDR 26 x 500mm Outlet
-
Existing 1-1/4" standard wall steel pipe x 1-1/4" outlet
-
Existing 300mm DR11 HDPE x 150mm Outlet
