
上海欧曼石油设备有限公司
Oilman Group Limited
Oilman Equipment Pte Ltd.
Liner
Oilman offers Chrome-Iron and / or Ceramic-Zirconia Liners for the following brand of Pumps:
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Continental Emsco.
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National Oilwell.
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Gardner Denver.
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Drillmec.
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Ideco.
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Lewco.
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Bomco.
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HH
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Ellis Williams.

Chrome-Iron liners
Features:
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60-69 Rockwell C Hardness.
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26% - 28% Chrome Alloy sleeve.
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High Chrome alloy inner sleeve honed to tight tolerances and mirror finish to promote maximum piston life.
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Forged steel hull.
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Available in sizes from 4-1/2” - 7".

Zirconia Ceramic Liners
Features:
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90-92 Rockwell C Hardness.
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Honed to 4 RMS (3-4 times finer than alumina liners).
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Less friction with elastomer-and-metal pump.
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Higher thermal ratings.
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Improved performance form high temperature applications.
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Offer the lowest overall cost of ownership of any liner style.
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Available in sizes from 4-1/2” - 7”.