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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.

Size Chart

PTFE BUSH (GASKET) ( HSN CODE : 39172990 )

A S A # 1 5 0A S A # 3 0 0
Sr.No.Size : NBSize: OD X ID X L (mm)Sr.No.Size : NBSize: OD X ID X L (mm)
01½”47 X 21 X 10001½”54 X 21 X 100
02¾”57 X 27 X 10002¾”66 X 27 X 100
031”66 X 34 X 100031”73 X 34 X 100
041½”86 X 48 X 100041½”95 X 48 X 100
052”105 X 60 X 100052”111 X 60 X 100
062½”124 X 76 X 100062½”127 X 76 X 100
073”136 X 89 X 100073”149 X 89 X 100
084”174 X 114 X 100084”181 X 114 X 100
095”197 X 140 X 100095”216 X 140 X 100
106”222 X 168 X 100106”251 X 168 X 100
118”279 X 219 X 100118”308 X 219 X 100
1210”337 X 273 X 1001210”362 X 273 X 100
1312”410 X 324 X 1001312”422 X 324 X 50
1414”451 X 356 X 501414”489 X 356 X 50
1516”514 X 406 X 501516”546 X 406 X 50
1618”549 X 457 X 501618”600 X 457 X 50
1720”606 X 508 X 501720”657 X 508 X 50
1822”640 X 560 X 501822”698 X 560 X 50
1924”718 X 610 X 501924”782 X 610 X 50