Group 3 (20...63 см3)
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НШ20…63М-4(3) Gear Pump of design version “M” intended for use on hydraulic systems under pressure up to 250 kg-f/cm2. They comprise PTFE-bushings, thin brass compensators, combined housing and bearing parts. They are fully interchangeable with pumps of design groups "У" and "УКФ", (the only difference make joint coordinates of pipeline mounting), and, having smaller housing mass, surpass all the above mentioned units in engineering data. |
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Notation example
Functional dependences
Dimension и connection sizes 
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