What Is a Manway Gasket = Lid or Door Seal
A manway gasket is used to seal the opening of a tank or vessel, allowing access for cleaning, inspection, or maintenance.
These gaskets must:
- Prevent leaks
- Withstand chemical exposure
- Maintain sealing force under compression
- Pharmaceutical and bioprocessing equipment
- Chemical processing tanks
- Semiconductor manufacturing
- Food and beverage systems
- High-purity fluid handling
Standard Sizes
Square Cross Section (.590″ cs x .590″ cs x 12″ ID or 24″ ID) Standard Sizes
Square Cross Section ( .590″ cs x .470 cs x 12″ ID or 24″ ID) Standard Sizes
Metric: DN300, DN500 and Custom Dimensions Available
FEP Encapsulated Red, White or Translucent
- Excellent chemical resistance
- More flexible jacket
- Operating range: -60°C to +200°C
- Cost-effective solution
PFA Encapsulated Silicone Red, White or Translucent
- Higher temperature capability
- Improved mechanical strength
- Lower creep and cold flow
- Operating range: -60°C to +260°C
Request a Custom Manway Gasket
Every M-Cor encapsulated gasket is engineered for your specific application.
Key Features
- Fluoropolymer jacket provides near-universal chemical resistance
- Silicone core delivers elastic recovery and sealing force
- Low permeability for high-purity and vacuum applications
- Non-stick, easy-to-clean surface
- Custom manufactured to match your exact manway geometry
- Available in FEP (flexibility) or PFA (higher performance)
