PTFE Valve Packing

PTFE Valve Packing

SKU ALS420 Category

DONGSUH ALS420 is a pure PTFE packing exclusively for valves. Packing with PTFE fibers specially coated with PTFE lubricants, With our proprietary braiding technology, it has excellent resistance to high pressure and can be applied to almost any medium, including oxygen.
Additionally, even after prolonged use, it does not harden and does not degrade packing performance.
Its excellent chemical resistance makes it suitable for transfer lines of fluids such as strong chemicals.

TYPE : ALS420 DATE PACKAGED ±5%
SIZE inch 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1
mm 3.2 4.8 6.4 7.9 9.5 11.1 12.7 14.2 15.9 19.1 22.2 25.4
M/LB (Minimum Length) 21.97 9.76 6.1 4.00 2.77 2.02 1.74 1.39 1.11 0.77 0.57 0.43
Packaging
Unit [Box]
BOX[LB] 2 2 2 5 2 5 2 5 10 5 10 5 10 5 10 10 10 10 10
M/BOX 43.94 19.52 12.2 30.50 8.00 20.00 5.54 13.85 27.70 10.10 20.20 8.70 17.40 6.95 13.90 11.10 7.70 5.70 4.30

Application Areas

  • Valves requiring acid resistance
  • Valves that require steam and strong chemical properties
  • Low-pressure control valve below 260°C

Technical Data

  • Temperature limit: 500°F to 260°C
  • Chemical resistance: pH 0-14
  • Pressure limit: 3000PSI / 210Bar

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