| 摘要 |
Adapator to supply lubricant to a lubrication fitting having a flow restrictor which is normally biased to a closed position, comprises a tubular member shaped to removably receive the port of the lubrication fitting with a separating disc mounted in the tubular body and carrying a pin smaller than the dia. of the opening of the lubrication fitting so that the pin may enter the opening and move the flow restrictor to an open position to allow lubricant to flow through, the disc having a number of openings to allow fluid to flow through the adaptor tube.
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