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Điểm nổi bật của Gioăng chì nén PGT4 GR8622STEM PACKING
PGT4 GR8622 is a stem seal with low emission certification in accordance with the API and ISO standards. It is a valid solution for reducing the number of first-use seal types on new valves. In fact, it is equally suitable for use in oil & gas and chemical applications as well as for high pressure and temperature steam services.
- Temperature
-200°C to 650°C, with a limit of 450°C for weakly oxidising fluids and hot air.
- Pressure range
It covers all the pressure classes up to API 10000 psi.
- pH Range
0 to 14, except for strong oxidants.
Approvals
- ISO 15848 C01 BH
- ISO 15848 C02 BH
- API 622 3rd Edition
- Fire Test API 589
- CorrosionTest
- Weight Loss Test EN 14772, section 6.7
Applications
PGT4 GR8622 is a set of graphite seals for gate, globe, check and ball valves for oil & gas and chemical service. They can also be used with all industrial fluids that are compatible with graphite, so a single seal can be used in all applications.
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