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Help CenterPerforated Graphite Composite Gasket 304 Stainless Steel Reinforced High Temperature and High Pressure Flange Gasket Boiler Steam
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[Product Introduction] Perforated graphite composite gaskets, also known as perforated graphite flange gaskets or punched-hole reinforced gaskets, are finished sealing gaskets specifically designed for industrial high-temperature and high-pressure flanges. They are made by high-temperature and high-pressure composite pressing of high-purity graphite and 304 stainless steel perforated plates. The entire gasket features standard installation holes, requiring no secondary processing and directly corresponding to GB/ANSI flange installation. They solve problems of ordinary pure graphite gaskets being fragile, prone to crumbling, leaking under high pressure, and aging at high temperatures. They are the mainstream sealing accessories for boiler, steam, thermal, chemical pipeline maintenance and installation. [Perforated Reinforced Structure - Exclusive Advantages] ✅ Perforated metal interlayer reinforcement: The perforated stainless steel plate interlocks with the graphite, preventing delamination, bulging, and cracking, thoroughly solving the soft and brittle nature of pure graphite gaskets and the problem of damage during installation. ✅ Precision pre-drilled holes Standard hole positions and precise hole diameters fit flange bolts perfectly, making installation alignment easy without the need for on-site drilling or cutting. ✅ Double-sided high-purity layer: Excellent conformability, capable of filling slight wear, unevenness, and gaps in the flange, ensuring a tight seal with zero leakage. [Core Product Features] Super high-temperature and steam resistance: Applicable temperature range -20°C to 450°C. Long-term contact with high-temperature steam, flue gas and hot oil without carbonization, failure, or hardening. 💪 High-pressure sealing without leakage: Supported by a metal skeleton, it has high compressive strength and will not be or leak gas/water under high-pressure pipeline operating conditions. 🧪 Corrosion, oil, and aging resistance: Resistant to acids, alkalis, solvents, water vapor, and, suitable for most industrial media, with a service life far exceeding rubber gaskets and non-asbestos gaskets. ⚡ Time-saving and labor-saving installation: Finished gaskets with-drilled holes and standard dimensions require no cutting, making them highly efficient for large-scale engineering installations. ✅ No powdering or cracking: The composite interlocking process ensures that it not easily crumble or break under vibration, disassembly, or repeated use. [Applicable Specifications] Standard thickness: 1.5mm / 2.0mm /3.0mm (commonly used in engineering) Standard sizes: DN15, DN20, DN25, DN32, DN40, DN50, DN5, DN80, DN100, DN125, DN150, DN200, DN300 Hole types: GB standard4-hole, 8-hole, and multi-hole standard flange finished gaskets; supports ANSI, irregular, and non-standard custom hole spacing[Applicable Scenarios] Widely compatible with high-temperature, high-pressure, and high-sealing requirement operating conditions such as industrial, steam pipelines, thermal networks, power plant equipment, chemical valves, heat exchangers, pressure vessels, high-temperature water pumps, and fuel hydraulic equipment. [Selection Comparison Advantages 🔹 Compared to non-asbestos gaskets: Higher temperature resistance, no leakage under high pressure, and resistant to steam erosion 🔹 Compared to pure graphite gaskets: Metal-reinforced sturdy and durable, does not crack during installation, and does not shed powder 🔹 Compared to rubber gaskets: High-temperature resistant without melting, resistant to oil corrosion, and industrialgrade durability
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