Teadit® 2848 is braided from a proprietary yarn made from flexible graphite reinforced with an innovative polymeric structure. This design allows the packing to meet the strict fugitive emissions service requirements without the need for metallic reinforcements, commonly used on this type of service. Each yarn is embedded with Teadit® Tags in its polymeric structure that are inseparable from the packing and create a uniquely identifiable fingerprint.
Teadit® Tags allow Teadit® 2848 to be identified in any situation – even when both packing and valve tags are lost! This unique fingerprint avoids warranty claim complications that often emerge from wrong product identification. Thanks to the polymeric reinforcement mesh that replaces the usual metallic material, this packing style leads to lower friction. This further improves control valve accuracy and allows for valves with smaller actuators (or handwheels).
Teadit® 2848 is a Low-Emissions packing designed for control and isolating valves alike. For control valves, it has proven performance on ISO 15848-1 most stringent test procedure, CC3. The packing maintained less than 2 ppm leakage even after 100,000 mechanical cycles and 4 thermal cycles. As for isolating valves, it has achieved success on API 622 3rd edition, with a leakage below 2 ppm even after 1,510 mechanical cycles and 5 thermal cycles.
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