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| Brand Name : | OUSTER |
| Model Number : | PV |
| Price : | $225-$2225.6 |
| Payment Terms : | T/T,Western Union,MoneyGram |
| Supply Ability : | 5000PC/Year |
| Delivery Time : | 2-5Day |
Parker PV High-Performance, Compact Variable Pump For Machine Tool Hydraulic Systems
1, Product Overview
The PV hydraulic pump is an advanced pressure-compensated variable displacement piston pump. Its key feature is the ability to automatically adjust its output flow based on changes in system pressure to maintain a steady pressure level. This "on-demand" operating principle offers significant advantages in energy efficiency, noise reduction, and system simplification, making it one of the most widely used pump types in modern hydraulic systems.
2,Working Principle
. Start-up Phase: When the pump starts or system pressure is below
the preset compensation pressure, the variable mechanism (e.g., the
swashplate) is at the maximum angle, and the pump delivers flow at
maximum displacement to rapidly build up system pressure.
. Compensation Phase: Once the system pressure reaches the preset
compensation setting, the hydraulic pressure acts on the
compensator valve spool and the variable piston. This pushes the
variable mechanism (reducing the swashplate angle), thereby
automatically reducing the pump's displacement.
. Pressure Maintenance Phase: When an actuator stops and only
minimal flow is needed to compensate for system leakage and
maintain pressure, the pump's displacement reduces to a trickle
(near zero flow). At this stage, power consumption by the electric
motor is very low, resulting in high energy efficiency.
3, Key Features
· High Efficiency & Energy Saving: Drastically reduces energy
consumption and operating costs by only delivering the minimal flow
required to maintain pressure during the holding phase.
· Stable Pressure Regulation: Automatically maintains system
pressure at the set value, preventing over-pressurization and
providing inherent safety.
· Reduced Heat Generation: Minimizes heat generation caused by the
overflow of excess flow at high pressure, extending the service
life of hydraulic fluid and system components.
· Compact & Integrated Design: The pressure compensator and
variable piston are typically integrated into the pump housing,
making the unit compact and reliable.
4,Typical Applications
PV pumps are ideally suited for applications requiring constant pressure systems or prolonged pressure holding, such as:
· Plastic injection molding machines
· Die-casting machines
· Machine tool hydraulic systems (e.g., clamping units)
· Presses
· Construction machinery (e.g., certain functions in excavators)
5,Frequently Asked Questions(FAQ)
Q: What does PV hydraulic pumps stand for in product designation?
· A: PV represents the product series designation for this specific
line of hydraulic components.
· Q: Are PV products compatible with other brands?
· A: Many PV products feature standard porting and mounting
patterns for interoperability with major hydraulic brands.
· Q: Where can I find technical drawings?
· A: pls conatct with sales person for it





Company information
QUZHOU OUSTER HYDRAULIC Co., Ltd, founded in 2015 with more than 13 years export experience, specializes in procuring and selling hydraulic pumps and hydraulic pump parts.
Our main products include hydraulic pumps, hydraulic pump parts, hydraulic motors, gearboxes, and hydraulic valves. Our products have been exported to more than 68 countries worldwide.
| customized service | 1.We can help buyers design specific hydraulic pump or produce
products according to buyers'design 2.We can print logo according to buyers' requirement |
| our advantages | 1.We are one of the most complete hydraulic pump accessories
manufacturers in the china, we have been engaged in hydraulic pump
accessories for more than 10 years. 2.Our price is low, the delivery time is fast, the model is complete, because we are a factory. |
| Customer Service | 1.You may email us through the WhatsApp:+8613586697819 if you have a question or would like to submit a comment. 2. Generally, email will be responded to within 24 hours; except on every Sunday and holidays. We will reply as soon as we back in office. 3. If you don't see what you are looking for, just send us an e-mail with picture/hydraulic pump number and we will be glad to help you. 4. Positive feedback is very important to us. |
| Packaging & Shipping Delivery Details | 1.We can choose different ways of transportation according to the
needs of the customers, either by commercial express or by air and
sea. 2.The delivery cycle of accessories is generally about one weeks,but we have many spare parts in stock , the delivery cycle of the pump is generally one to three weeks, depending on which model. |
| Questions you maybe inquiry | Q1:Could you custom hydraulic pump? A:We can manufacture it according to your drawings or samples. Q2: I want to buy your hydraulic pump and pump parts, how can I pay? A :You can pay via T/T , WEST UNION or other payment terms we reach agreement. Q3: How can you guarantee the quality? A: One year's warranty against B/L date. If You meet with quality problem, we promise to responsible for it. Q4: If we don't find what we want on your website, what should we do? A: You can email us the descriptions and pictures of the products you need, We will check whether we can make it. Q5: Can we buy 1 pc of each item for quality testing? A: Yes, we understand quality test is important and we are glad to send 1pc for quality testing. Q6: What is the lead time? A: For this product, normally 3 days,3 days and lead time is calculated from the day we receive your deposit. |







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