Gaskets
PTFE Gaskets for Corrosion & Chemical Resistance
Task-Line gaskets are PTFE (polytetrafluoroethylene) based sealing solutions featuring a compression-molded design that combines pure virgin PTFE resin with a corrosion-resistant metal core. This design provides:
- Excellent chemical resistance to acids, caustics, solvents, phenols, sulfates, chlorides, bleach solutions, and more
- Leak-free and bubble-tight sealing under pressure
- Reusable performance without sacrificing sealing capability
- Zero corrosion rate, contributing to lower lifecycle costs compared with traditional gasket types
- Strong resistance to cold flow and creep under load
- Temperature capability from cryogenic levels up to ~400 °F (consult factory for higher service needs)
This combination of material and construction makes Task-Line gaskets effective in a range of piping applications where corrosive service and reliable sealing are required.
Task-Line Gaskets
ANSI Ratings & Sizes
Task-Line gaskets are compression molded to meet standard ANSI Class 150# and 300# flange ratings. Sizes typically range from ½″ through 24″ with nominal thicknesses such as ⅛″ or 3⁄32″ (other thicknesses available on request).
Their self-aligning design allows easy seating to flanges, even in challenging conditions, and the PTFE’s non-stick characteristic makes disassembly quicker and cleaner.
Why PTFE Gaskets Matter in Corrosive Environments
In chemical and process systems, gasket solutions must:
- Prevent fluid leaks that can cause safety hazards or environmental issues
- Withstand wide temperature ranges and aggressive chemicals
- Avoid corrosion that can undermine sealing performance
- Maintain repeatable sealing through maintenance and thermal cycling
Task-Line’s PTFE gasket design addresses these requirements by combining the chemical resistance of PTFE with a structured internal metal insert that adds rigidity, blowout protection, and creep resistance.
Common Applications
Task-Line PTFE gaskets are well suited for flange connections in systems such as:
- Corrosion-resistant chemical transfer lines
- Aggressive service piping (acids, caustics, solvents)
- Process skids and industrial fluid systems
- Water and wastewater chemical handling
- Utility and process piping requiring ANSI-rated sealing reliability
System Integration & Technical Support
Cortrol provides technical guidance on selecting the correct gasket type and size based on:
- Flange class and pressure requirements
- Chemical compatibility and media type
- Temperature and service conditions
- System performance goals
Working closely with Task-Line gasket experts, Cortrol helps ensure your sealing solution integrates reliably into your corrosion-resistant piping system.
Choose Reliable Gasket Solutions
Contact Cortrol to discuss PTFE gasket options that meet your corrosion, pressure, and performance requirements and to get expert assistance ensuring your flange sealing solution supports long-term system reliability.
Gaskets FAQs
Cortrol supplies compression-molded PTFE gaskets engineered for corrosion-resistant piping systems, provided through Task-Line.
Cortrol partners with Task-Line (a division of Andronaco Industries), a manufacturer of PTFE encapsulated gaskets designed for industrial chemical service.
Task-Line gaskets use pure virgin PTFE resin molded around a perforated metal insert to provide chemical resistance and sealing strength.
Yes. Task-Line PTFE gaskets are resistant to most acids, caustics, solvents, phenols, and chlorides, making them ideal for corrosive service.
Task-Line PTFE gaskets are designed to be reused without sacrificing sealing performance in many applications.
Task-Line gaskets are molded for standard ANSI Class 150# and 300# flanges, with sizes typically ranging from ½″ through 24″.
Cortrol provides guidance based on flange pressure class, media compatibility, temperature, and system design criteria to help select the right PTFE gasket.