ranroswang@hksparkling.com 
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Vickers V20P 1S11T 38C6D12R Vane Pump with Priority Valve
The Vickers V20P 1S11T 38C6D12R is a high-performance, high-pressure vane pump (often colloquially referred to in the industry as a gear pump due to its application in similar hydraulic circuits). Part of the V20 Series, this "P" designation indicates it is a priority valve pump, commonly used in power steering or braking circuits where a specific flow must be maintained regardless of engine speed.
V20P: Base Series Designation. The V20 indicates a single-stage vane pump (with a base flow range of 6–13 USgpm). The trailing P specifies that this pump is equipped with a Priority Valve Cover, which prioritizes oil flow to primary circuits such as hydraulic steering.
Thank you for choosing SPARKLING MACHINERY, your trusted supplier of Eaton Vickers hydraulic vane pumps.
The SPARKLING MACHINERY NEW V20P 1S11T 38C6D12R Gear Pump Photo:
Why Choose the SPARKLING V20P 1S11T 38C6D12R Gear Pump?
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- Balanced Vane Design: The hydraulic "lifting" of the vanes is balanced, reducing bearing load and significantly extending the service life of the pump.
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- Integrated Priority Valve: Eliminates the need for external flow control valves in steering or braking circuits, reducing plumbing complexity and leak points.
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- Low Noise Levels: The V20 series is known for quiet operation, making it ideal for indoor industrial environments and mobile equipment.
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- Field Serviceable: The internal cartridge (11 GPM ring) can be replaced without removing the pump housing from the machine, minimizing downtime.
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Technical Specification Breakdown (Model Code)
Understanding the model code is essential for ensuring a correct match:
| Code Segment | Description | Detail |
| V20P | Series | Vane Pump with Priority Valve Cover |
| 1 | Mounting | 2-Bolt Flange (SAE "A" Size) |
| S | Inlet Port | SAE Straight Thread (ORB) |
| 11 | Ring Size (Flow) | 11 GPM @ 1200 RPM |
| T | Shaft Type | Threaded Shaft |
| 3 | Priority Flow Rate | 3 GPM Controlled Flow (Internal) |
| 8 | Pressure Setting | 2000 PSI (Internal Relief Valve) |
| C | Outlet Port | SAE Straight Thread |
| 6 | Tank Port | SAE Straight Thread |
| D | Primary Port | Position "D" (Standard alignment) |
| 12 | Secondary Port | Position "12" (Standard alignment) |
| R | Rotation | Right Hand (Clockwise) |
Q&A Section
Q1: Can I change the rotation of this pump?
A: Yes. Vickers V20 series pumps are generally field-reversible. However, it requires disassembling the pump and flipping the cam ring and internal components. If the model code ends in "R", it is set for clockwise rotation.
Q2: What is the "Priority Valve" function?
A: The "P" in V20P stands for Priority. This pump sends a constant, regulated flow (3 GPM in this model) to a "Priority" circuit (like steering) first. Any remaining oil flow is then sent to the "Secondary" circuit for other hydraulic functions.
Q3: My pump is leaking from the shaft; can I just replace the seal?
A: Yes, shaft seal kits are available. However, a leaking seal often indicates worn internal bearings or excessive case pressure. Inspect the shaft for "grooving" before installing a new seal.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.
Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879