Guangzhou Qichao Machinery Parts Co., Ltd.
| Compatible Equipment | E312B,E320B,E320C,E320D,E325B |
| Application | Excavator Main Pump & Swing Hydraulic Control |
| Supply Ability | 1000PCS/MONTH |
| Payment Terms | T/T |
| Order Processing Cycle | Normally 1–7 working days once payment received |
| Packaging Details | Neutral Packing/Branded Packaging |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Compatibility Test |
| Warranty | 6 Months |
| OE Part Number | 111-9916 |
| Place of Origin | China |
| Model Number | E320B E320D |
| Brand Name | ZVEZDA |
View Detail Information
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Product Specification
| Compatible Equipment | E312B,E320B,E320C,E320D,E325B | Application | Excavator Main Pump & Swing Hydraulic Control |
| Supply Ability | 1000PCS/MONTH | Payment Terms | T/T |
| Order Processing Cycle | Normally 1–7 working days once payment received | Packaging Details | Neutral Packing/Branded Packaging |
| MOQ Support | 1 Piece Sample Acceptable For On-site Machine Compatibility Test | Warranty | 6 Months |
| OE Part Number | 111-9916 | Place of Origin | China |
| Model Number | E320B E320D | Brand Name | ZVEZDA |
| High Light | proportional excavator solenoid valve ，proportional hydraulic solenoid valve ，24v excavator solenoid valve | ||
Double HNBR high temperature resistant composite sealing rings embedded on all spool sliding oil grooves, upgraded oil-resistant sealing process effectively block high-pressure hydraulic oil internal leakage, solve typical E320B/E320D faults: insufficient digging force, pump pressure fluctuation, slow boom & arm movement and continuous rising hydraulic oil temperature.
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Full Product Name | E320B E320C E320D Excavator 24V Main Pump Proportional Solenoid Valve 111-9916 (1119916 / SKY5P-12-D) |
| OEM Part Number | 111-9916 / 1119916 / SKY5P-12-D |
| Compatible Machine | E320B, E320C, E320D Medium Hydraulic Excavator |
| Matched Main Pump | K3V112DT Variable Displacement Hydraulic Main Pump |
| Rated Voltage | DC24V |
| Condition | 100% Brand New Aftermarket OEM Equivalent Complete Assembly |
| Origin | Guangdong, China |
| Core Material | Full Ion Nitride Hardened Multi-groove Alloy Spool + Low Drift Pure Copper Electromagnetic Coil |
| Wiring Connector | Yellow Dot 4-Pin Fully Sealed Waterproof Plug |
| Installation Position | Excavator Main Pump Flange Mounted Proportional Pilot Valve |
| Shipment Lead Time | Dispatched within 1–7 working days after payment confirmation |
| Outer Packaging | Neutral Export Carton + Shockproof EPE Foam Inner Liner |
| Series 1 PN | Series 2 PN | Universal Spare Part Numbers |
|---|---|---|
| 20Y-43-41780 | 331/30884 | 4520781 |
| 22U-06-22420 | 331/30885 | 4581230 |
| 22U-06-22380 | 331/30886 | 4601592 |
| 782-5301-301 | 701/80284 | 4632710 |
| 782-5301-302 | 701/80285 | 4678921 |
| 7824-30-1600 | 11S-49 | 4756890 |
| 7825-30-1301 | 60117463 | 4721563 |
| 7825-30-1302 | 60117463LM | 4739125 |
| 7861-92-4130 | 60117464 | 4772106 |
| 7861-92-4131 | 60117465 | 4789321 |
| 20Y-43-41781 | YQ05.251.046 | 4801234 |
| 20Y-43-41800 | 300661-00004A | 212-7890 |
| 708-2H-25240 | 21Q6-20820 | 214-5620 |
| 702-21-07010 | K1013849 | 0419-9902 |
| 702-21-07311 | 332/G0912 | 0419-9903 |
| 702-21-07610 | 60117466 | 223-8181 |
| 702-21-57400 | YQ05.251.049 | 224-2092 |
| 585-9230 | YN20S00003F1 | 225-0300 |
| 627-2304 | 7820-30-1700 | 253-3809 |
| 585-9231 | 4791230 | 231-8194 |
| 702-21-58100 | 403-0363 | 198-6528 |
| 702-21-57500 | 485-5747 | 328-4314 |
| 702-21-60700 | 375-4414-02 | 384-3892 |
| 714-07-16730 | 485-9850-03 | 485-5747 |
| 201-0950 | 485-9850-03 | 491-0908 |
| 25/220804 | 491-0908 | 553-5204 |
| 25/220994 | 25/220804 | 25/220994 |
| 31Q6-20131 | 25/220994 | 31Q6-91220 |
| 31Q6-91220 | 31Q6-20131 | 086-1879 |
| 086-1879 | 31Q6-91220 | 31765-FC000 |
| 31765-FC000 | 086-1879 | 053400-0745 |
| 053400-0745 | 31765-FC000 | 419-15-47221 |
| 419-15-47221 | 053400-0745 | KDRDE5K-20/40C04 |
| KDRDE5K-20/40C04 | 419-15-47221 | 31Q6-91720 |
| 31Q6-91720 | KDRDE5K-20/40C04 | 25/220804 |
| 25/220804 | 31Q6-91720 | 25/974628 |
| 25/974628 | 25/220804 | 4I-5674 |
| 4I-5674 | 25/974628 | 096-5945 |
| 096-5945 | 4I-5674 | 111-9916 |
| No. | Question | Standard Answer |
|---|---|---|
| Q1 | Which excavators match 24V proportional solenoid valve 111-9916 SKY5P-12-D? | This flange-mounted proportional valve fits E320B, E320C, E320D medium excavators equipped with K3V112DT hydraulic main pump. |
| Q2 | How does this solenoid adjust pump output flow? | It receives ECU PWM signal to produce linear electromagnetic force, pushes the built-in spool to change main pump swash plate angle, dynamically matches engine power and hydraulic flow. |
| Q3 | What failure symptoms will appear when this solenoid is damaged? | Insufficient digging force, unstable pump pressure, hydraulic jitter during operation, slow boom and arm movement, and continuously rising hydraulic oil temperature. |
| Q4 | Is full disassembly of the main pump required during replacement? | No, it adopts external flange installation structure; only remove four fixing bolts and disconnect the wire plug, no need to split the pump body. |
| Q5 | What anti-wear design adapts to long-term harsh mining environments? | The whole spool undergoes ion nitriding hardening treatment, paired with double high temperature HNBR sealing rings and fully sealed four-pin waterproof plug to resist oil mist, high heat and vibration. |
| Q6 | Can this 24V proportional valve be replaced with a 12V version? | No, coil resistance and output magnetic force differ greatly. Mixing different voltage models will cause pressure instability or coil burnout, cannot be interchanged. |
| Q7 | How to quickly inspect coil integrity before installation? | Use a multimeter to measure coil resistance, normal range 13–14.5 ohms; infinite resistance indicates open circuit, resistance below 10 ohms means internal short circuit and cannot be installed. |
Company Details
Business Type:
Manufacturer
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi... Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi...
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