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Star Manifold Mounting Hand Pumps provide a low cost, efficient means for manually developing or increasing pressure in a hydraulic system. Whether used as the primary pump for a hydraulic system, or a standby pump for emergencies, they furnish reliable hydraulic power to operate presses, valves, doors, safety locks and other devices. They are complete pumps with suction and pressure check valves but without release and overload valves. Designed to mount in your manifold block in a standard SAE O-ring port, they eliminate the need for a costly valve body. The lever socket is free to rotate 360º allowing the pump to be operated from any position around the axial centerline.
  • Designed to mount in a modified SAE O-ring port (see drawing)
  • Pressure: to 5000 PSI
  • Piston: ground and hard chrome plated
  • Body: aluminum
  • Supplied with 18" operating lever except MK2331 which has a 24" lever
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Item #

Displacement per Stroke

Maximum Pressure Rating

Lever Force per 100 PSI

Manifold Cavity

List Price

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MK2331 (Stock) N/A 1.20 in³ N/A 1500 psi N/A 5.0 lb N/A SAE-16 $138.00 Add To Cart
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MK2156 (Stock) N/A 0.55 in³ N/A 2800 psi N/A 3.0 lb N/A SAE-10 $103.00 Add To Cart
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MK2329 (Stock) N/A 0.38 in³ N/A 5000 psi N/A 2.0 lb N/A SAE-10 $114.00 Add To Cart
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