Description
Product Overview
Sterling Seal’s SSS 9000IR1500304GR150X6 Spiral Wound Gasket is engineered for high-pressure and high-temperature applications. Featuring a durable 304 stainless steel inner ring and flexible graphite winding, it delivers superior sealing performance on flat face and raised face flanges rated at 150# class. Designed with precision to fit 1-1/2″ pipe size, this gasket ensures leak-free operation in hydraulics, pneumatics, and plumbing systems. Its spiral construction combines metal strength with soft filler material for consistent compression and long-term reliability.
Usage
This gasket is ideal for industrial environments where high-pressure fluid transfer or thermal cycling occurs, such as chemical processing plants, power generation facilities, and manufacturing lines. It’s suitable for both new installations and retrofitting existing systems with 150# flanges. The temperature range of -320°F to 850°F makes it compatible with cryogenic and high-heat applications. Maintenance professionals will appreciate its ease of installation and removal without damaging the flange surface.

Why Choose Us
Sterling Seal’s gaskets are manufactured with precision to meet industry standards, ensuring consistent performance across applications. The 304SS inner ring provides excellent corrosion resistance and structural integrity, while the flexible graphite winding offers superior sealing under varying pressures and temperatures. Our products come from a trusted manufacturer, Lamons, known for quality control and reliability. Each gasket is designed for durability without sacrificing ease of use — making it ideal for both experienced technicians and maintenance teams.
Key Features
- Durable construction with 304 stainless steel inner ring resists corrosion in harsh environments.
- Flexible graphite winding provides excellent sealing under high pressure and temperature extremes (-320°F to 850°F).
- Easy installation and removal without damaging flange surfaces — saves time and reduces maintenance costs.
- Designed for flat face and raised face flanges rated at 150# class, ensuring compatibility with standard industrial systems.
- Manufactured by Lamons with consistent quality control; backed by reliable customer support for technical assistance or replacement parts.
FAQ
What materials are used in this gasket?
The gasket features a 304 stainless steel inner ring and flexible graphite winding, combining strength with sealing flexibility. This combination ensures durability under high pressure and temperature extremes.
What is the temperature range of this gasket?
This gasket can operate safely from -320°F to 850°F, making it suitable for cryogenic applications as well as high-heat industrial environments.
Is this gasket compatible with all flange types?
No. This gasket is specifically designed for flat face and raised face flanges rated at 150# class. It may not be suitable for other flange configurations or pressure classes.
How many pieces are in each package?
Each pack contains six (6) spiral wound gaskets, ideal for bulk installations or inventory management.
Can this gasket be reused after removal?
While it can be reinstalled if undamaged and properly cleaned, we recommend replacing the gasket after each disassembly to ensure optimal sealing performance.








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