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12V-41 bar pump control valve
OE-Equivalent Replacement Quality
IATF 16949 / ISO 9001 / CE / RoHS
50 pcs
7 - 15 Days
12 Months
Kobelco pump control manifolds using the matching flange, cartridge and connector geometry
Confirm 12v, connector, flange mounted cartridge, seals and hydraulic circuit before installation.
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12V-41 bar pump control valve is a 12V hydraulic pump solenoid valve for Kobelco pump control manifolds using the matching flange, cartridge and connector geometry. Buyers should confirm the complete old marking, electrical version, connector, flange mounted cartridge and hydraulic function before approving replacement stock.
Specification | Value |
|---|---|
Product Type | Hydraulic Pump Solenoid Valve |
Primary Reference | 12V-41 bar pump control valve |
Cross References | No verified public OE number assigned |
Electrical Version | 12V |
Working Pressure Reference | 41 bar |
Interface | Flange mounted cartridge |
Application Scope | Kobelco pump control manifolds using the matching flange, cartridge and connector geometry |
MOQ | 50 pcs |
Delivery Time | 7 to 15 Days |
Warranty | 12 Months |
Use the original catalog dimensional reference and hydraulic symbol to compare the valve with the removed component and the machine schematic before purchase approval.
Complete every control point below before a sample or bulk order is released.
Approval Point | Buyer Review |
|---|---|
Reference | Use the complete old valve marking and sample |
Electrical | 12V; verify at the loaded connector during the actual command |
Mechanical | Compare flange mounted cartridge, cartridge length, seals and installed clearance |
Hydraulic | Confirm normal state, energized state and manifold port relationship |
Machine Evidence | Kobelco pump control manifolds using the matching flange, cartridge and connector geometry |
Separate electrical command, cartridge movement and machine response so the actual wiring or hydraulic fault is not hidden by a parts replacement.
Observed Condition | Recommended Check |
|---|---|
No movement | Check loaded connector voltage, ground, controller command and coil resistance. |
Slow response | Inspect oil cleanliness, filter condition, viscosity and cartridge movement. |
Reversed response | Stop operation and compare normal and energized port logic with the original valve. |
External leakage | Inspect seals, cartridge surface, manifold bore and correct seating depth. |
Repeated heating | Confirm voltage, duty cycle, connector resistance and full magnetic movement. |
During a seal leakage complaint is assessed, keep the verified reference, measurements and test result in the service record. Approve 12V-41 bar pump control valve from the complete old valve marking, 12v electrical version, connector keying, flange mounted cartridge, sealing lands and normal hydraulic state. A shared equipment model does not prove interchangeability because pump and manifold revisions can change during production. Send the machine model, serial number and clear removed part photos with the inquiry.
During an emergency field repair is evaluated, keep the verified reference, measurements and test result in the service record. The 41 bar figure is a catalog or verified product reference, not permission to ignore the equipment hydraulic schematic. Confirm which ports see pressure in both de-energized and energized states, review return line conditions and follow the machine service limits. Pressure capability does not correct a wrong spool function, cartridge depth or manifold port relationship.
During a machine returns after long storage, keep the verified reference, measurements and test result in the service record. Two valves can share a coil diameter and connector yet use different cartridge lengths, metering notches, spring forces or port logic. In Kobelco service, compare the full reference, manifold bore, installed depth, connector direction and hydraulic symbol. A valve that screws in but routes pressure differently can create weak response, reversed motion or continuous pump loading.
During a valve switches slowly after oil warms, keep the verified reference, measurements and test result in the service record. Measure supply and ground at the loaded connector, then check coil resistance and verify that the controller is actually issuing the command. If electrical input is correct, inspect oil cleanliness, filter condition, cartridge movement and manifold contamination. Separate electrical command from hydraulic response before replacing another valve, otherwise a harness or blocked pilot passage may be missed.
During a dealer parts counter checks an old sample, keep the verified reference, measurements and test result in the service record. Verify commanded voltage under load, coil duty cycle, connector resistance and whether the hydraulic element reaches its intended position. Low voltage can prevent full magnetic pull, while excessive voltage or continuous energization can overheat the winding. Contamination that restricts cartridge movement can also increase operating stress, so correct the electrical or hydraulic root cause before fitting another coil.
During a machine returns after long storage, keep the verified reference, measurements and test result in the service record. A controlled sample review should confirm physical fit, connector engagement, coil current, leakage and the machine response in both normal and energized states. For this hydraulic pump solenoid valve, record warm oil behavior and response time as well as cold start operation. Retain the approved label photos and measurements so the production lot can be checked against the same acceptance record.
During a workshop compares two connector orientations, keep the verified reference, measurements and test result in the service record. Measure voltage across the coil while the controller commands the valve, then measure the positive and ground side drops separately. A static open circuit reading can look normal while a corroded terminal collapses under load. Compare the result with the confirmed 12v requirement and repair excessive resistance before judging the hydraulic pump solenoid valve itself as defective.
Send the complete old valve marking, confirmed voltage, machine model and serial number, connector photos, interface dimensions and required quantity for a fitment focused B2B quotation.
