Type-III Envelope Gaskets

Type-III Envelope Gaskets

A PTFE envelope gasket has the chemical resistance of PTFE and the elastomeric characteristics of EPDM or FKM Fluoroelastomer. The PTFE envelope gasket meets FDA and USP Class VI standards.

Type-III Envelope gasket

Type-III Envelope Gasket cross section and dimensions

Available Sizes (Non-Flanged)

1"- 12"

Refer to the part numbering links on this page for complete part numbering details.

Available Sizes (Flanged)

1" - 4"    

*Add "F" to the part number designation for Flanged. ex. A40MPGR-F-300-E
Refer to the part numbering links below for complete part numbering details.

Also available Shedule V Style

Type-III Envelope Gasket Sizing Table
Size Part# Gasket I.D. Gasket O.D. Bead Center
1" A40MPGR-100-X 0.900 1.985 1.718
1-1/2" A40MPGR-150-X 1.400 1.985 1.718
2" A40MPGR-200-X 1.900 2.500 2.218
2-1/2" A40MPGR-250-X 2.400 3.025 2.781
3" A40MPGR-300-X 2.900 3.550 3.281
4" A40MPGR-400-X 3.869 4.675 4.344
6" A40MPGR-600-X 5.817 6.668 6.156
8" A40MPGR-800-X 7.775 8.669 8.160
10" A40MPGR-1000-X 9.771 10.664 10.140
12" A40MPGR-1200-X 11.725 12.659 12.145
*X = Insert Material      E = EPDM        V = FKM FLUOROELASTOMER
Download Sizing Table: