Graphite PTFE (gPTFE) braided packing, also known as Black PTFE Packing, is a high-performance sealing material made from braided PTFE yarn uniformly embedded with graphite particles. Its versatility and reliability make it an excellent choice for demanding sealing applications. and it is designed to provide exceptional sealing performance in demanding industrial applications.
Graphite PTFE Packing is a high-performance sealing material with a unique design that combines the benefits of PTFE and graphite. It is widely used in industries such as chemical processing, oil and gas, and food processing, particularly in applications requiring contamination-free sealing, high-temperature resistance, and high-speed performance.
| Material | 100% Pure Graphite PTFE yarn | |
| Temperature Range | -150 up to +280 oC | |
| Process | Rotating | 20 bar |
| Reciprocating | 100 bar | |
| Static | 150 bar | |
| Shaft Speed | 16m/s | |
| PH | 0~14 | |
| Density | 1.4~1.6g/cm3 | |
Soft and Low Density:
The graphite PTFE packing is soft, with low density, making it easy to cut and install.
Contamination-Free:
Graphite particles are evenly encapsulated within the PTFE yarn, ensuring no free graphite particles on the surface. This prevents contamination of the medium being sealed.
Excellent Chemical Resistance:
Graphite PTFE packing is suitable for a wide range of chemical media, including water, steam, petroleum derivatives, vegetable oils, and solvents.
High Temperature and Speed Resistance:
Compared to standard PTFE packing, Graphite PTFE packing can withstand higher surface speeds and temperatures, making it ideal for more severe operating conditions.
Applicability:
Graphite PTFE packing can be safely used in most chemical pump applications, except for molten alkali metals, fluoride solutions, fuming nitric acid, and other strong oxidizing agents.
Pumps and Valves:
Widely used for sealing in various pumps and valves, especially in applications where contamination must be avoided.
Reciprocating and Rotating Shafts:
Suitable for sealing reciprocating pumps and rotating shafts, capable of handling high surface speeds and temperatures.
Mixers and Agitators:
Effective in preventing leakage in mixers and agitators, ensuring reliable performance in mixing applications.
Chemical Pumps:
Ideal for sealing chemical pumps handling water, steam, petroleum derivatives, vegetable oils, and solvents.
High-Temperature and High-Speed Applications:
Specifically designed for applications where standard PTFE packing cannot meet the requirements of high surface speeds and elevated temperatures.
