Recommend Products
Name: Xiamen Neoprene Isolation Gasket Standard: ASME B16.21 Material: Neoprene Size: 3 Inch Pressure: 150LB Type: Full Face Application: For Chemical and Corrosion Resistance Customized Service: YesQS Gasket: Xiamen Neoprene Isolation Gasket
Name: Zhejiang Gylon 3500 Insulating Gasket Set Material: Gylon 3500 Size: 4 Inch Pressure: 150# Thickness: 1/8" Type: F Sleeves: G11 Washers: G11 + ZPS Standard: For ASME B16.5 Flange Price: 65 - 85 USD MOQ: 1 PCS Delivery Date: 7 - 35 Days Customization: YesQS Gasket: Gylon 3500 Insulating Gasket Set
Name: Xiamen Phenolic insulation Gasket Set Material: Phenolic Size: 8 Inch, RX50 Pressure: 5000 psi Type: D Sleeve: Mylar Washers: Phenolic+ ZPS Standard: For API 6A Flange Price: 199 - 249 USD MOQ: 1 PCS Delivery Date: 7 - 35 Days Customization: YesQS Gasket: Xiamen Phenolic insulation Gasket Set
Name: Xiamen 40inch Gasket Insulation Sets Material: UNIFLUOR-7551 Size: 40 Inch Pressure: 150# Thickness: 1/8" Type: F Sleeve: G11 Washers: G11+ ZPS Standard: For ASME B16.47B-WN-RF Price: 1250 - 1450 USD MOQ: 1 PCS Delivery Date: 7 - 35 Days Customization: YesQS Gasket: Xiamen 40inch Gasket Insulation Sets
Yancheng Phenolic Gasket
QS Gasket: Yancheng Phenolic Gasket
Name: Yancheng Phenolic Gasket
Type: F
Dimension: DN100
Class: 300LB
Material: Phenol, Nitrile
Standard: ASME B16.5 Flange
Type: F
Dimension: DN100
Class: 300LB
Material: Phenol, Nitrile
Standard: ASME B16.5 Flange
Quantity
As a senior gasket engineer with years of experience in sealing technology, I can confidently state that the Yancheng Phenolic Gasket represents a well-balanced solution for moderate to demanding flange sealing applications. The specific model in question—Type F, DN100, Class 300LB, built from phenol and nitrile materials, and manufactured to ASME B16.5 flange standards—offers a practical combination of chemical resistance, thermal stability, and mechanical strength.
Material Composition and Performance
This gasket is produced from a homogeneous blend of phenolic resin and nitrile rubber. The phenolic base provides excellent resistance to heat, maintaining dimensional integrity in continuous service temperatures up to approximately 150°C (300°F), with intermittent peaks slightly higher. Meanwhile, the nitrile component contributes superior oil, fuel, and solvent resistance, making this Yancheng Phenolic Gasket particularly effective in hydrocarbon processing, refinery auxiliary lines, and compressor stations where petroleum-based fluids are present.
This gasket is produced from a homogeneous blend of phenolic resin and nitrile rubber. The phenolic base provides excellent resistance to heat, maintaining dimensional integrity in continuous service temperatures up to approximately 150°C (300°F), with intermittent peaks slightly higher. Meanwhile, the nitrile component contributes superior oil, fuel, and solvent resistance, making this Yancheng Phenolic Gasket particularly effective in hydrocarbon processing, refinery auxiliary lines, and compressor stations where petroleum-based fluids are present.
The Type F designation means this is a full-face gasket, covering the entire flange face from bolt hole to bolt hole. This full-face design, combined with the DN100 nominal bore and 300LB pressure rating, ensures a large sealing area that distributes bolting load evenly. When installed correctly on matching ASME B16.5 raised-face or flat-face flanges, it reduces the risk of flange distortion and provides a leak-tight seal even under fluctuating pressures up to 50 bar (depending on temperature).
Key Advantages
- Chemical resistance: Withstands aliphatic hydrocarbons, mild acids, alkalis, water, steam, and many refrigerants.
- Heat resilience: Retains mechanical properties at elevated temperatures where many elastomeric gaskets would soften or creep.
- Mechanical robustness: The nitrile-phenolic matrix offers high compressive strength and low creep relaxation, extending the service life of bolted joints.
- Dimensional accuracy: Manufactured to ASME B16.5, ensuring interchangeability and proper bolt-hole alignment without field trimming.
- Chemical resistance: Withstands aliphatic hydrocarbons, mild acids, alkalis, water, steam, and many refrigerants.
- Heat resilience: Retains mechanical properties at elevated temperatures where many elastomeric gaskets would soften or creep.
- Mechanical robustness: The nitrile-phenolic matrix offers high compressive strength and low creep relaxation, extending the service life of bolted joints.
- Dimensional accuracy: Manufactured to ASME B16.5, ensuring interchangeability and proper bolt-hole alignment without field trimming.
Typical Applications
In my field experience, this Yancheng Phenolic Gasket is frequently specified for:
- Oil and gas pipeline flanges – especially in gathering stations and metering skids.
- Chemical transfer lines – handling solvents, lubricants, and hydraulic fluids.
- Refinery utility systems – including cooling water, steam tracing, and intermediate product lines.
- Marine and offshore equipment – where salt spray and fuel exposure are common.
- Industrial compressors and pumps – sealing suction and discharge flanges.
In my field experience, this Yancheng Phenolic Gasket is frequently specified for:
- Oil and gas pipeline flanges – especially in gathering stations and metering skids.
- Chemical transfer lines – handling solvents, lubricants, and hydraulic fluids.
- Refinery utility systems – including cooling water, steam tracing, and intermediate product lines.
- Marine and offshore equipment – where salt spray and fuel exposure are common.
- Industrial compressors and pumps – sealing suction and discharge flanges.
Industry Context – Yancheng, China
Yancheng, located in Jiangsu Province, has emerged over the past two decades as a significant manufacturing hub for industrial sealing products. The region benefits from a well-established supply chain—local suppliers of phenolic resins, nitrile rubber compounds, and steel reinforcement materials are all within a 100-kilometer radius. Numerous medium-to-large gasket fabrication plants operate in Yancheng’s economic development zones, equipped with automated water-jet cutting, CNC lathe trimming, and computer-controlled vulcanization presses. This industrial ecosystem enables consistent quality control and competitive lead times. Many Yancheng-based manufacturers hold ISO 9001 and API 6A certifications, and they export extensively to Southeast Asia, the Middle East, and Europe. The local industry emphasizes continuous material testing, including hardness, density, and compressibility checks per ASTM F36, ensuring that each Yancheng Phenolic Gasket leaving the factory meets stringent international standards.
Yancheng, located in Jiangsu Province, has emerged over the past two decades as a significant manufacturing hub for industrial sealing products. The region benefits from a well-established supply chain—local suppliers of phenolic resins, nitrile rubber compounds, and steel reinforcement materials are all within a 100-kilometer radius. Numerous medium-to-large gasket fabrication plants operate in Yancheng’s economic development zones, equipped with automated water-jet cutting, CNC lathe trimming, and computer-controlled vulcanization presses. This industrial ecosystem enables consistent quality control and competitive lead times. Many Yancheng-based manufacturers hold ISO 9001 and API 6A certifications, and they export extensively to Southeast Asia, the Middle East, and Europe. The local industry emphasizes continuous material testing, including hardness, density, and compressibility checks per ASTM F36, ensuring that each Yancheng Phenolic Gasket leaving the factory meets stringent international standards.
Installation and Maintenance Notes
For optimal service life, I recommend applying a thin anti-seize compound on bolt threads, torquing in a star pattern to 70–80% of the maximum recommended bolt stress, and re-torquing after the first thermal cycle. Regular inspection for flange face pitting or surface scratches will further enhance seal reliability.
For optimal service life, I recommend applying a thin anti-seize compound on bolt threads, torquing in a star pattern to 70–80% of the maximum recommended bolt stress, and re-torquing after the first thermal cycle. Regular inspection for flange face pitting or surface scratches will further enhance seal reliability.
Summary
In short, the Yancheng Phenolic Gasket Type F in DN100, 300LB class is a dependable, cost-effective sealing solution for a wide range of industrial environments. Its phenol-nitrile formulation, combined with the full-face geometry and strict adherence to ASME B16.5, ensures long-term performance, reduces unplanned maintenance, and supports operational safety. When you source from Yancheng’s mature manufacturing base, you benefit not only from high-quality materials but also from the region’s technical expertise and proven production track record. For engineers seeking a versatile gasket that balances heat resistance, chemical compatibility, and mechanical durability, this product deserves serious consideration.
In short, the Yancheng Phenolic Gasket Type F in DN100, 300LB class is a dependable, cost-effective sealing solution for a wide range of industrial environments. Its phenol-nitrile formulation, combined with the full-face geometry and strict adherence to ASME B16.5, ensures long-term performance, reduces unplanned maintenance, and supports operational safety. When you source from Yancheng’s mature manufacturing base, you benefit not only from high-quality materials but also from the region’s technical expertise and proven production track record. For engineers seeking a versatile gasket that balances heat resistance, chemical compatibility, and mechanical durability, this product deserves serious consideration.
Send Message
