PTFE Envelope Gasket
£2.32 – £96.55 exVAT
Where are PTFE envelope gaskets used?
PTFE Envelope Gaskets are used widely in the food, dairy, beverage, biotech, pharmaceutical, and all other sanitary process industries to seal clamp connections in sanitary pipe lines.
Why Choose a biological indictor 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.
Available flanged or unflanged, we recommend you select the material of the insert on the basis of the temperature range you require:
EPDM: -30ºF to 300ºF (-34ºC to 149ºC)
FKM: -30ºF to 400ºF (-34ºC to 204ºC)
The benefits of the PTFE outer include:
- Reduced vibrations and noise
- High quality seal
- Greater chemical resistance
- Can withstand high pressure environments
- Can withstand high temperatures
Where not to use a PTFE envelope gaskets
Envelope gaskets are generally used in applications where high pressure resistance and high chemical resistance are required. If you process does not include these two factors, the PTFE envelope may be overkill.
Need to know more about gaskets?
Why not read our very thorough (and not at all boring) guide to all things gasket related to find out how you could upgrade your process. Read More Here
PTFE Envelope Gasket usually ship in 3-5 days

Setting new standards for purity
Up close and personal
Temperature range:
- 73°C to 260°C
Applications:
Transfer Lines, Process Lines, Service Lines
Material:
PTFE, PTFE/EDPM, PTFE/FKM
Setting new standards for purity
The benefits
PTFE Envelope Gasket
Everything you need to know
Setting new standards for purity
- USP Class VI
- FDA 21CFR 177.1550
- ADI Free, BSE&TSE Free
- 3-A Sanitary Standard
Part Numbers
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PTFE Envelope Gasket with EPDM Filler Part Numbers Part Number Gasket O.D. Gasket I.D. Bead A42MPGR-050-E 0.86″ 0.38″ NA A42MPGR-075-E 0.86″ 0.62″ NA A40MPGR-100-E 1.984″ 0.9″ 1.718″ A40MPGR-150-E 1.984″ 1.4″ 1.718″ A40MPGR-200-E 2.515″ 1.9″ 2.218″ A40MPGR-250-E 3.05″ 2.4″ 2.781″ A40MPGR-300-E 3.579″ 2.9″ 3.281″ A40MPGR-400-E 4.682″ 3.869″ 4.344″ A40MPGR-600-E 6.507″ 5.817″ 6.156″ A40MPGR-800-E 8.56″ 7.8″ 8.15″ A40MPGR-1000-E 10.55″ 9.74″ 10.12″ A40MPGR-1200-E 12.56″ 11.74″ 12.17″ PTFE Envelope Gasket with FKM Filler Part Numbers Part Number Gasket O.D. Gasket I.D. Bead A42MPGR-050-V 0.86″ 0.38″ NA A42MPGR-075-V 0.86″ 0.62″ NA A40MPGR-100-V 1.984″ 0.9″ 1.718″ A40MPGR-150-V 1.984″ 1.4″ 1.718″ A40MPGR-200-V 2.515″ 1.9″ 2.218″ A40MPGR-250-V 3.05″ 2.4″ 2.781″ A40MPGR-300-V 3.579″ 2.9″ 3.281″ A40MPGR-400-V 4.682″ 3.869″ 4.344″ A40MPGR-600-V 6.507″ 5.817″ 6.156″ A40MPGR-800-V 8.56″ 7.8″ 8.15″ A40MPGR-1000-V 10.55″ 9.74″ 10.12″ A40MPGR-1200-V 12.56″ 11.74″ 12.17″ Flanged PTFE Envelope Gasket with EPDM Filler Part Numbers Part Number Gasket O.D. Gasket I.D. Bead A40MPGR-F-100-E 1.984″ 0.9″ 1.718″ A40MPGR-F-150-E 1.984″ 1.4″ 1.718″ A40MPGR-F-200-E 2.515″ 1.9″ 2.218″ A40MPGR-F-250-E 3.05″ 2.4″ 2.781″ A40MPGR-F-300-E 3.579″ 2.9″ 3.281″ A40MPGR-F-400-E 4.682″ 3.869″ 4.344″ Flanged PTFE Envelope Gasket with FKM Filler Part Numbers Part Number Gasket O.D. Gasket I.D. Bead A40MPGR-F-100-V 1.984″ 0.9″ 1.718″ A40MPGR-F-150-V 1.984″ 1.4″ 1.718″ A40MPGR-F-200-V 2.515″ 1.9″ 2.218″ A40MPGR-F-250-V 3.05″ 2.4″ 2.781″ A40MPGR-F-300-V 3.579″ 2.9″ 3.281″ A40MPGR-F-400-V 4.682″ 3.869″ 4.344″