Polywater announces UL approval for conduit mechanical sealant line in the U.S.

July 1, 2020

(Stillwater, MN June 24, 2020) — Polywater announces that itsPolywater | Hauff-Technik mechanical seals have been certified by UnderwritersLaboratories (UL) to meet the requirements of Outlet Bushings and Fittings(QCRV). The PHRD seals are considered watertight and approved for use under NECarticles 230.8 and 300.5 (G), which govern the sealing of raceways entering abuilding or structure.


Polywater | Hauff-Technik PHRD conduit seals are the most diversemechanical seals on the market. They can be designed to seal around any sizeand configuration of cables or pipes and can be manufactured for core-drilledholes or conduits with diameters of 1.5 inches to several feet. EPDM rubber wasused for the seals tested by UL, but additional rubbers are available for otherapplications. The PHRD mechanical seals are suitable for use in Class 1Division 2 hazardous locations as defined by NEC.


The innovative one-piece, split design provides a simple,labor-saving sealing solution for cables or pipes that are already laid ornewly laid. Stainless steel pressure plates and bolts provide durability incorrosive environments and are rodent resistant. Reliability, labor saving, anddurability are criteria engineers and contractors demand when sourcingmechanical seals.


"We are pleased to obtainthis certification. The UL mark represents rigorous testing that assures boththe quality and safety of our product.", says Sheri Dahlke, technicaldirector. "This gives our end users the confidence of a third-partycertification. Providing airtight and watertight seals for theseindustries is critical to engineers’ needs for reliability while meetingindustry guidelines,” according to Dahlke.


Polywater, a leading specialty chemical manufacturer for theelectrical and telecommunications industries based in Stillwater, MN,collaborates with Hauff-Technik Gmbh & Co. KG, based in Hermaringen, toprovide the Polywater | Hauff-Technik line of sealing systems to the U.S.market.

To view the full line of seals, click here.


About Polywater
Helpingrealize a better-connected world. Polywater helps companies in the electricaland communications industries find better ways to overcome specific,field-based infrastructure challenges. For more information visit polywater.com


About Hauff-Technik

Always. Reliable. Tight. Hauff-Technik is among Europe's leadingmanufacturers of cable, pipe and line entries. We are a full-service providerof completely reliable sealing systems and find the best possible solution forevery requirement. Including yours. For more information visithauff-technik.de/en/.