Mobile Ball Valve for Eco I-55 Pallet Jacks
MO 12E139
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Mobile MO 12E139 ball valve is a precision-machined hydraulic shut-off valve for manual pallet jack pump assemblies, engineered to control hydraulic fluid flow during lift and lower operations. Compatible with Mobile ECO I-55 pallet jack hydraulic units, constructed from anti-corrosion treated steel with chrome-plated internal ball element and nitrile seals. Intended for service in high-cycle, manual hydraulic applications requiring rated pressure up to 3250 PSI.
Compatibility: Fits pallet jacks made by Mobile, model ECO I-55. Alternate model: ECO I55; ECO I 55. SKU: MO 12E139
Specifications
Dimensional Specifications
| Port Alignment | Single flow axis, 180 degree rotational alignment |
Hydraulic
| System Function | Manual hydraulic flow shut-off for pallet jack control pump |
Material & Construction
| Body Material | Machined steel, anti-corrosion treated |
| Ball Element Material | Chrome-plated steel (minimum hardness Rockwell C35) |
| Seal Material | Nitrile rubber (NBR) hydraulic-grade seals |
| Finish | Factory-applied clear oil for assembly lubrication |
Part Numbers
| OEM Part Number | MO 12E139 |
| Compatible with Models | Mobile ECO I-55 hydraulic unit |
Performance Specifications
| Service Life | Designed for 10,000 manual actuation cycles minimum |
Frequently Asked Questions
Q: What is the MO 12E139 ball valve and what does it control?
A: The MO 12E139 is a precision-machined hydraulic shut-off valve for manual pallet jack pump assemblies. It controls hydraulic fluid flow during lift and lower operations in Mobile ECO I-55 units. The valve has a chrome-plated steel ball element and is rated for system pressures up to 3250 PSI.
Q: What materials are used in the MO 12E139 and how do they resist corrosion?
A: The body is constructed from machined steel with anti-corrosion treatment. The internal ball element is chrome-plated steel with a minimum hardness of Rockwell C35. Seals are nitrile rubber, compatible with standard mineral oil hydraulic fluids used in pallet jack systems.
Q: Which pallet jack models does the MO 12E139 fit?
A: The MO 12E139 is compatible with Mobile ECO I-55 hydraulic units. Before ordering, verify that your equipment uses this specific OEM hydraulic pump assembly.
Q: What pressure rating does the MO 12E139 support?
A: The MO 12E139 is engineered for rated pressure up to 3250 PSI, meeting OEM specifications for high-cycle manual hydraulic applications in pallet jack systems.