StageAcquired | Acquired
Permalok is a fabricator of steel piping utilizing the Permalok patented interlocking pipe joining system. The company eliminates the need for in-field welding and the down time associated with it. The Permalok connection is specifically designed for the trenchless excavation industry because it is flush with the interior and exterior surfaces of the pipe. Joint quality is further enhanced because the Permalok connection is consistently round, true and perpendicular to the pipe axis. Its unique stepped profile makes stabbing and aligning easy and quick. What's more, the Permalok design, combined with the use of a sealant such as RTV Silicone, will not leak even under considerable pressure.
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Latest Permalok News
Nov 15, 2022
PR Newswire New joint is first of its kind to allow for curved steel trenchless installation. VANCOUVER, Wash., Nov. 15, 2022 /PRNewswire/ -- Northwest Pipe Company (Nasdaq: NWPX), a leading manufacturer of water-related infrastructure including engineered pipeline systems and precast products, has developed the Permalok® Radial Bending Joint (RBJ) that enables steel pipe to be installed in a curved radius in microtunneling applications. This patent-pending technology is a ground-breaking advancement in trenchless microtunneling construction. The Northwest Pipe Company team developed the proprietary joint design to meet a target radius curve of 800 feet during trenchless installation. AD AD Permalok® steel pipe is most often used as a casing pipe for utilities and excels in trenchless jacking applications including microtunneling, pipe jacking, auger boring, and pipe ramming. The press-fit machined joints reduce field time by eliminating butt-weld joints and result in a shortened install duration and reduced field costs. To solidify the joint's validity, the Permalok® RBJ has undergone Finite Element Analysis at the University of Thessaly Department of Mechanical Engineering. "This joint changes the way we have all thought of microtunneling construction," states Scott Montross, President and Chief Executive Officer of Northwest Pipe Company. "We have developed a solution that enables steel pipe to curve during trenchless construction, which makes microtunneling even more feasible in constrictive or challenging environments. For years, trenchless applications have been limited by a straight installation path—but not anymore." The Company manufactures Permalok® RBJ in pipe diameters varying from 30 to 156 inches. The actual curve radius is dependent on site conditions as well as the pipe diameter and length. About Northwest Pipe Company – Founded in 1966, Northwest Pipe Company is a leading manufacturer for water-related infrastructure products. In addition to being the largest manufacturer of engineered steel water pipeline systems in North America, the Company manufactures high-quality precast and reinforced concrete products; water, wastewater, and stormwater equipment; steel casing pipe; bar-wrapped concrete cylinder pipe; and one of the largest offerings of pipeline system joints, fittings, and specialized components. Strategically positioned to meet growing water and wastewater infrastructure needs, Northwest Pipe Company provides solution-based products for a wide range of markets under the ParkUSA, Geneva Pipe and Precast, and Permalok® lines. The Company's diverse team is committed to quality and innovation while demonstrating the Company's core values of accountability, commitment, and teamwork. The Company is headquartered in Vancouver, Washington, and has 13 manufacturing facilities across North America. Please visit www.nwpipe.com for more information. AD
Permalok Frequently Asked Questions (FAQ)
Where is Permalok's headquarters?
Permalok's headquarters is located at 472 Paul Ave, St. Louis.
What is Permalok's latest funding round?
Permalok's latest funding round is Acquired.
Who are the investors of Permalok?
Investors of Permalok include Northwest Pipe Company.
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