HPX-PT™ Pre-Torqued Holder UK & Ireland

HPX-PT™ Pre-Torqued Holder

HPX-PT ™ Pre-Torqued Holders by Continental Disc Corporation incorporate high-strength steel socket head cap screws to ensure accurate loading and sealing of the HPX® Bursting Disc (ruptured disc). The HPX-PT™ Holder allows the disc to be correctly fitted in the workshop using precise recommended torque levels, before installation of the complete assembly between the flanges in the processing system relief stream.

Product Benefits

AVAILABLE OPTIONS
Alternate heights Gauge taps in holder outlet

Flange studs & nuts, alloy steel or 316 SS J-Hook on holder inlet

Corrosion resistance enhancement by adding a fluoropolymer coating or TANTALINE® treatment

Technical Data

Allows a precise torque load to be applied in the controlled environment of a workshop before installation
Maintains precise loading of the rupture disc where poor flange alignment and gasket cold flow may be an issue
Pre-torqued holder screws are protected with a coating to prevent wear, sticking and galling of the screws, and provide corrosion resistance
Compatible with the HPX® rupture disc products
Standard materials available: Carbon steel, Alloy 400, 316 Stainless steel, Alloy C276

NOTE: Pre-torqued holder designs may vary depending on bolting class and size

Application

Process equipment having a glass or fluoropolymer lined flanges that cannot provide the compression required to seal the rupture disc in the holder.
Installations where the piping arrangement restricts access preventing correct torque loading of the flange fasteners.
Challenging processes requiring regular removal of the rupture disc and holder assembly for inspection.
Applications requiring leak testing of the rupture disc assembly before installation in the piping system.

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