Operating range

Armatur Pressure [pmax]: 500 bar
pH: 0 - 14

Temperature: t = -200… +300 °C

Main application

This packing set was specifically formulated to minimize fugitive emissions and exceeds current emission regulations for valves in

  • HPI & CPI Industries
  • Powerplants
  • General Industries

Approvals

  • API 622 3rd edition Emission Test 260 °C / 41 bar
  • API 607 7th edition Firesafe Test, ISO 10497 : 2010
  • BAM approval for use in Oxygen at 60 °C / 20 bar

Form of delivery

The rings of the API Packing Set 4337 are delivered with 45 degree skive cut for easy installation. They will be precompressed for best performance. We have approx. 2,000 dies available in metric and imperial sizes.

Both packing styles of API set 4337 are as well available on spools in common cross sections.

API LOW EMISSION PACKING SET 4337
Braided from specially formulated expanded graphite, reinforced with a proprietary inconel wire matrix and impregnated with a high Sealability Compound and a Passive Corrosion Inhibitor

  • Extrusion and blow out stability through ultrafine Inconel metal mesh reinforcement on each braided strand
  • Non-hardening, excellent long term sealability
  • Minimal Volume loss at temperature
  • Coefficient of thermal expansion close to steel
  • Easy to install and easy to remove
  • Average Emission of only 5 PPMv Methan according to API 622 3rd edition test 
Data sheet PDF-Download
Data sheet PDF-Download Imperial Certificate please request via eMail.
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