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Suitable for natural gas, LPG, propane, butane, and city gas applications.
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Foreverseal® GasSafe PTFE Thread Seal Tape
Engineered for Natural Gas, LPG & City Gas Systems. Certified Performance for Reliable Gas Thread Sealing
Features
Applications
Technical Parameters
Specifications
Related Downloads
Working Principle
Guide
Foreverseal® GasSafe PTFE Thread Seal Tape Engineeredfor Reliable Gas Sealing
Made from high-purity PTFE, GasSafe is engineered for reliable sealing of threaded connections in natural gas, LPG, and city gas systems. Its controlled density and consistent tape structure help create a secure, durable seal while supporting clean and efficient installation.Developed for professional gas installations where sealing reliability, material consistency, and certified performance matter.
Controlled Density & Thickness
Consistent PTFE structure supports reliable thread filling and sealing performance.
Broad Material Compatibility
Suitable for commonly used metal threaded connections, including steel, brass, and stainless steel.
Yellow Gas Identification
Yellow color provides quick identification for gas-service applications.
Clean & Ready to Use
No curing or drying time required, helping simplify installation and maintenance.
Wide Temperature Performance
PTFE maintains reliable performance across a broad range of operating temperatures.
Application Areas
Foreverseal® GasSafe PTFE Thread Seal Tape is engineered for threaded connections in natural gas, LPG, and city gas systems across residential, commercial, and industrial applications.
Gas Appliance Connections
Gas Water Heater Connections
City Gas Piping Systems
LPG Piping Systems
Commercial Kitchen Gas Systems
*GasSafe is intended for approved gas-service applications and is not designed for oxygen service. For oxygen systems, use a dedicated oxygen-service PTFE thread seal tape.
Technical Parameters
| Scope |  Foreverseal® GasSafe (GS) |  Foreverseal® GasSafe Pro (GSP) |
|---|---|---|
| Material | Minimum 99% PTFE, maximum 1% colorant | Minimum 99% PTFE, maximum 1% colorant |
| Color | Yellow (gas code) | Yellow (gas code) |
| Lubricant | None | None |
| Width | 12mm (1/2''), 19mm (3/4''), 25mm (1'') | 12mm (1/2''), 19mm (3/4''), 25mm (1'') |
| Thickness | 0.10 mm ±0.01 | 0.10 mm ±0.01 |
| Density | 1.0 g/cm³ ±0.1 | 1.3~1.5 g/cm3 |
| Tensile Strength | 10-17 MPa | 10-17 MPa |
| Elongation | ≥50% | ≥50% |
| Maximum Working Pressure | ≤2.0 MPa | ≤2.0 MPa |
| Temperature Range | -190℃ to +260℃ | -190℃ to +260℃ |
| Gas Compatibility | Natural gas, liquefied petroleum gas (LPG), biogas | Natural gas, liquefied petroleum gas (LPG), biogas |
| Certifications | UL, AGA, DVGW | UL, AGA, DVGW |
| Explore GasSafe | Explore GasSafe Pro |
Specifications
| Series | Model | Market | Application | Width (W) | Thickness (T) | Density (D) | Length (L) |
|---|---|---|---|---|---|---|---|
| GasSafe | GS-W12-T10-D10 | Americas | Residential and Light Commercial Gas | 12mm | 0.10 mm | 1.0g/cm3 | 260 inches (6.6 meters) |
| GasSafe | GS-W12-T10-D10 | Americas | Residential and Light Commercial Gas | 12mm | 0.10 mm | 1.0g/cm3 | 520 inches (13.2 meters) |
| GasSafe | GS-W12-T10-D10 | Europe/Southeast Asia | Residential and Light Commercial Gas | 12mm | 0.10 mm | 1.0g/cm3 | 10 meters |
| GasSafe Pro | GSP-W12-T10-D15 | Americas | City Gas and Commercial Gas | 12mm | 0.10 mm | 1.3~1.5g/cm3 | 1429 inches (36.3 meters) |
| GasSafe Pro | GSP-W19-T10-D15 | Americas | Large Pipeline and Industrial Gas | 19mm | 0.10 mm | 1.3~1.5g/cm3 | 1429 inches (36.3 meters) |
| GasSafe Pro | GSP-W12-T10-D15 | Europe/Southeast Asia | City Gas and Commercial Gas | 12mm | 0.10 mm | 1.3~1.5g/cm3 | 10 meters |
GasSafe vs. Standard PTFE Tape
GasSafe is engineered specifically for gas-service threaded connections, with controlled density, consistent thickness, and application-specific performance.
| Comparison | Standard PTFE Tape | Foreverseal® GasSafe |
|---|---|---|
| Intended Application | General-purpose threaded connections | ✔ Engineered for gas-service threaded connections |
| Density & Structure | Varies by grade and specification | ✔ Controlled density for consistent sealing performance |
| Thickness Consistency | Depends on product grade and manufacturing control | ✔ Controlled thickness and production tolerances |
| Gas-Service Identification | Color and identification vary by product | ✔ Yellow identification for gas-service applications |
| Gas-Service Identification | May not carry gas-specific approvals | ✔ Certified options available for regulated gas applications |
*Choosing the right thread sealing material is an important part of achieving reliable gas-system connections.
Engineered for Long-Term Sealing Stability
GasSafe is engineered with controlled density, consistent thickness, and stable PTFE material properties to support reliable sealing performance in demanding gas-service applications.
- Controlled Density & Thickness
- Consistent Thread Filling
- Stable PTFE Material Properties
- Wide Temperature Performance
- Chemical & Aging Resistance
Related Downloads
QB/T4008-2022 "Unsintered PTFE Thread Seal Tape (Raw Material Tape) for Thread Seals"ForeverSeal® GasSafe PTFE Thread Seal Tape Technical SpecificationsMaterial Safety Data Sheet (MSDS/SDS)Methane Leakage DataAging and Creep TestsProduct Certifications (UL, AGA, DVGW)PTFE Thread Seal Tape for Gas Use User ManualE-Catalogue
Working Principle
Foreverseal® GasSafe PTFE Thread Seal Tape helps create a reliable seal in threaded gas connections.
When properly applied, the PTFE tape conforms to the thread profile and compresses during assembly, helping fill microscopic gaps between mating threads and supporting a reliable gas-tight seal.
Installation Steps:
- 01
- Clean the Threads.
- 02
- Start Behind the First Thread.
- 03
- Wrap in the Tightening Direction.
- 04
- Maintain Firm, Even Tension.
- 05
- Overlap Evenly.
- 06
- Assemble and Tighten.
- 07
- Perform a Leak Test.
Why Professionals Choose GasSafe
Reliable gas sealing starts with the right material.
Foreverseal® GasSafe combines controlled PTFE quality, consistent manufacturing, and gas-specific product options to support dependable threaded connections across residential, commercial, and industrial gas systems.
Engineered for professionals. Built for demanding gas applications.
Frequently Asked Questions
- What certifications are available for Foreverseal® GasSafe PTFE Thread Seal Tape?Explore available UL, AGA, and DVGW certifications for Foreverseal® GasSafe PTFE thread seal tape and select the appropriate certified specification for your market.
- What materials can GasSafe PTFE thread seal tape be used with?Discover the common threaded metal connections suitable for GasSafe PTFE tape, including brass, steel, and stainless-steel gas fittings.
- How should GasSafe PTFE thread seal tape be applied?Learn how to correctly wrap GasSafe PTFE tape on male pipe threads, including wrapping direction, overlap, tightening,and gas leak testing.
- Why is GasSafe PTFE thread seal tape yellow?Understand why yellow PTFE tape is commonly used to identify gas-service applications and why certification and specifications matter beyond tape color.
- What is the difference between GasSafe and standard PTFE thread seal tape?Compare GasSafe with standard PTFE tape and understand the differences in density, thickness control, gas-service applications, and available approvals.
GasSafe Guides & Resources
Why Choose Foreverseal® GasSafe PTFE Thread Seal Tape?
Discover how GasSafe is engineered for gas-service threaded connections, with controlled density, consistent thickness, and certified options for natural gas, LPG, and city gas applications.
Read the Guide
Common Causes of Gas Thread Seal Failure & How to Prevent Them
Learn about common factors that can affect threaded gas connections—including incorrect tape selection, improper wrapping, insufficient coverage, and installation issues—and how proper sealing practices help reduce leakage risks.
Learn More
GasSafe Applications & Case Studies
Explore how Foreverseal® GasSafe PTFE thread seal tape is used across residential gas connections, commercial gas systems, LPG installations, city gas networks, and industrial gas applications.
View ApplicationsGet a Quote for Foreverseal® GasSafe PTFE Thread Seal Tape
From samples to specifications, our team is ready to support your gas sealing requirements.
PTFE Thread Sealing Solutions for Gas Systems
Tell us about your gas system application, required tape size, quantity, and certification needs. Our team will recommend the appropriate Foreverseal® GasSafe specification for natural gas, LPG, city gas, and other gas system applications.
Contact us today for:
- Product Specifications & Certification Documents
(UL / AGA / DVGW / SDS / Technical Data)
- OEM & Private Label Pricing
(Customized specifications, branding, packaging, and volume pricing)
- Samples for Testing & Supplier Qualification
(Samples available for product evaluation and project validation)
- MOQ, Lead Time & Global Shipping Support
(Production planning and international delivery support)
- Technical Support for Product Selection
(Assistance with tape size, density, gas application, and compliance requirements)
- Manufacturing
- Full Name
- *Phone
From Product Evaluation to Long-Term Supply
Whether you are evaluating PTFE thread seal tape for industrial equipment, OEM assembly or piping systems, Foreverseal® supports your project with product selection, technical documentation, manufacturing capability and consistent supply.
Request Samples
Evaluate Foreverseal® pink, blue and grey industrial PTFE thread seal tapes for your equipment, piping or threaded connection requirements. Confirm the appropriate product specification before OEM production or bulk purchasing.
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Download Technical Documents
Access product specifications, technical data, material information, test reports and supporting documents for product evaluation, engineering review and supplier qualification.
View Technical Documents
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Work with an experienced PTFE thread seal tape manufacturer for OEM, private label, industrial distribution, project supply and long-term cooperation.
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