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Metal Bellow Seal,
Single Acting, Independent of Direction of Rotation |
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Mechanical Seal Series 40 & 45 |
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Face Materials:
Carbon / Silicon Carbide
Carbon / Tungsten Carbide
Silicon Carbide / Tungsten Carbide
Metal Parts:
Series 40 : SS 316, SS 304, Carpenter - 42
Series 45 : Hastelloy-C
Welded Bellows:
Series 40 : AM 350
Series 45 : Hastelloy-C
Secondary Seal:
Elastomers, PTFE, GFT |
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Chemicals |
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Petrochemicals |
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Refinery |
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Corrosive chemicals |
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Single acting |
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Inherently Balanced |
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Inside Mounted |
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Independent of direction of rotation |
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Welded Metal Bellows |
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Shaft Diameter d1 : 20 ... 100 mm
Pressure p : 18 bar (max)
Temperature t : – 20 ... +200O C
Velocity v : 20 m/sec |
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Series 40 & 45 are welded metal bellow seals used in chemical, petrochemical and refinery process pumps for
moderate temperature/pressure application and for process services requiring corrosion resistance. These bellow seals are
constructed by welding a series of diaphragms together at the edges to form a bellows unit. The bellows unit eliminates
the need for springs, dynamic secondary seal and provides flexibility to the seal face in addition to compensating for
seal face wear. |
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