Flexible coupling with bilabial gasket to connect and repair

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HERMETICA | High performance sealing technology

TECHNOLOGY

DHSF has developed and improved its own dynamic sealing technology. The flexible and stainless steel repair coupling with bilabial gasket from HERMETICA.

Tests with pressure ratings of up to 150 bar, corrosion tests, aging and durability tests of 12500 days for our EPDM rubber and mechanic stress tests for the materials we use allow us to guarantee the best sealing solution for any maintenance situation in water distribution networks, capitation, potabilization and water treatment plants.

High tech design manufactured in 100% certified European stainless steel allows us to offer our coupling, a simple and light solutions, easy to fit, even in large diameters, with minimum weight and using few screws.

Mechanical Clamping Coupling for GRP Pipe

UNIVERSAL

Applicable on any type of pipe: Steel, fiber cement, cast iron, GRP, PVC, PVC-O, PE *, stoneware ...

DYNAMIC SEAL

Uses internal pressure to generate the tightness.

FLEXIBILITY AND TIGHTNESS

It adapts and allows the proper movements of the pipes due to the effects of traffic, settlements, vibrations ...

RELIABILITY

Manufacture in stainless steel AISI 304L / 316L. Longer guaranteed life

HERMETICA | Material specifications

Casing
Stainless steel AISI 304L/ 316L.

Screws
Stainless Steel with Teflon coating AISI 304/ 316.

Shafts
Stainless steel AISI 304/ 316.

Rubber joint
EPDM, two lips, regulation UNE EN 681. Compatible with drinking water according to certification: ACS, WRAS.

For other materials, please ask the manufacturer

INSTALLATION

Thanks to the lightness, minimum space, hand tools and designs Hold-in-place and Pilot operations and maintenance times are drastically reduced.

Brass washer between the screw head and shaft. Minimizes the high friction between stainless Steel parts and assures the torque rating.
Screws made of stainless steel AISI 304/ 316 coated with green Teflon. Anti-seizing system to prevent seizing between stainless steel parts.
Hold-in-place system: Avoids shifting, falling or losing any of the clamp’s parts.
Reinforcment sheet: Welded to the casing.
Specially mechanized, solid stainless steel shafts made of AISI 304/ 316 for optimum screw head settling.

* Without anti-drag system.

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