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Black-Max® handhole and manhole gaskets seal better with their exfoliated graphite with great recovery properties. Black-Max® gaskets weigh less than half of spiral gaskets which allows you to save on freight charges and they are easier to handle. Unlike spiral gaskets, Black-Max® gaskets will seal on rough, pitted surfaces under a less compressive load. Temperatures for Black-Max gaskets are as follows: -400° F (-240° C) to 850° F (454° C) in atmosphere, 1200° F (650° C) in steam. The pressure for these gaskets is 2000 psig (70 bar) and the maximum gasket load is 24,000 psi (165 MPa).

Applications:

• Steam pressure vessels
• Hot water heaters
• Demineralizers
• Steam humidifiers
• Water purifiers
• Refrigeration units
• Filtering units
• Liquid treatment vessels
• Compressed air tanks
• Dryer cans in paper mills
• Water towers
• Water softeners
• Deaerators
• Make-up tanks