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Unbalanced Seal
Single Acting, Independent of Direction of Rotation |
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Mechanical Seal Series 2U |
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Face Materials:
Carbon, Ceramic,
Tungsten Carbide, Silicon Carbide, Lecrolloy
Metal Parts:
SS 316, SS 304
Secondary Seal:
Elastomers, PTFE |
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Water Pumps |
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Circulation Pumps for central heating |
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Chemical Process Pumps |
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Sewage & Submersible pumps |
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Single acting |
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Unbalanced |
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Inside mounted |
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Dependent of direction of rotation |
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Shaft Diameter d1 : 12 ... 90 mm
Pressure p : 10 bar (max)
Temperature t : _20 + 1200 C
Velocity v : 20 m/sec |
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Series 2U is a single conical helical spring, unbalanced seal with '0' ring as secondary sealing member. Various seal
face materials and elastomers can be offered for wide service application. As the torque transmission is done by
conical helical spring these seals are dependent of the direction of rotation. Direction of rotation is seen from the drive
end of the shaft. Clockwise rotating shaft requires right handed spring and anticlockwise rotating shaft requires
left-handed spring. For easier fitting, the conical helical spring should be pushed on the shaft with a twisting motion
in the sense of the spring unwinding. This movement enlarges the diameter of the spring, enabling easy fitment. |
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