PTFE ENVELOPES

A PTFE envelope gasket is a composed gasket. The product consists of an envelope of PTFE with an inlay. The envelope gasket is mainly applied as a flange gasket in applications where a high chemical and high pressure resistance is required.

Features:

  • Good chemical resistance.
  • Wide temperature range. This depends both on the envelope as the inlay material.
  • Good pressure resistance, depending on the choice of the inlay material.

Applications:

PTFE envelope gaskets are use in equipments which use flange made from standard steel, glass  -lined,plastic etc.,mainly in the chemical process industries.

  • Also, available in filled PTFE grades such as Carbon, Bronze, Glass Filled, Molybdenum, Graphite, Glass Graphite, etc as per requirement.
  • These are standard sizes. We can also undertake order for specific requirements.

PTFE BUSH (GASKET) ( HSN CODE : 39172990 )

A S A # 1 5 0 A S A # 3 0 0
Sr.No. Size : NB Size: OD X ID X L (mm) Sr.No. Size : NB Size: OD X ID X L (mm)
01 ½” 47 X 21 X 100 01 ½” 54 X 21 X 100
02 ¾” 57 X 27 X 100 02 ¾” 66 X 27 X 100
03 1” 66 X 34 X 100 03 1” 73 X 34 X 100
04 1½” 86 X 48 X 100 04 1½” 95 X 48 X 100
05 2” 105 X 60 X 100 05 2” 111 X 60 X 100
06 2½” 124 X 76 X 100 06 2½” 127 X 76 X 100
07 3” 136 X 89 X 100 07 3” 149 X 89 X 100
08 4” 174 X 114 X 100 08 4” 181 X 114 X 100
09 5” 197 X 140 X 100 09 5” 216 X 140 X 100
10 6” 222 X 168 X 100 10 6” 251 X 168 X 100
11 8” 279 X 219 X 100 11 8” 308 X 219 X 100
12 10” 337 X 273 X 100 12 10” 362 X 273 X 100
13 12” 410 X 324 X 100 13 12” 422 X 324 X 50
14 14” 451 X 356 X 50 14 14” 489 X 356 X 50
15 16” 514 X 406 X 50 15 16” 546 X 406 X 50
16 18” 549 X 457 X 50 16 18” 600 X 457 X 50
17 20” 606 X 508 X 50 17 20” 657 X 508 X 50
18 22” 640 X 560 X 50 18 22” 698 X 560 X 50
19 24” 718 X 610 X 50 19 24” 782 X 610 X 50