1. General Pneumatics Hydraulics For Sale
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  3. PARKER WRA250ND6363BA

PARKER WRA250ND6363BA Water Retract Unit

Wra250nd6363ba Parker Water Retract Unit

( Brand: Parker ), ( Manufacturer Part Number: WRA250ND6363BA ), ( Part Type: Unit ), ( Country Of Origin: United States )

Review PARKER Water Retract Unit

The **Parker WRA250ND6363BA Water Retract Unit** is a high-performance, precision-engineered hydraulic component designed to deliver reliable and efficient fluid management in demanding industrial, automotive, and marine applications. Part of Parker Hannifin s renowned **WRA Series**, this retractable water unit combines robust construction with advanced hydraulic functionality to ensure seamless operation in environments where fluid control is critical. Built with a **250-bar (3625 psi) pressure rating**, this unit is engineered to handle heavy-duty applications, offering exceptional durability and resistance to wear, corrosion, and temperature fluctuations making it ideal for use in harsh or high-stress conditions. The **ND6363BA** model features a compact yet sturdy design, incorporating a **hydraulic retract mechanism** that allows for smooth, controlled retraction and extension of water lines, reducing the risk of leaks, kinks, or damage during movement. Its **sealed construction** ensures minimal fluid loss while maintaining operational integrity, even under dynamic motion, such as in mobile equipment or automated systems.

The retract unit employs Parker s proprietary **hydraulic cylinder technology**, which integrates a **double-acting piston system** for precise control over fluid flow and retraction speed. This design eliminates the need for external power sources, relying instead on the existing hydraulic system to drive the retraction process, thereby enhancing efficiency and reducing system complexity. The **BA variant** includes a **braided stainless-steel reinforcement** around the hydraulic hose, providing superior flexibility and resistance to abrasion, vibration, and environmental contaminants key attributes for applications in off-road vehicles, agricultural machinery, or marine vessels where exposure to saltwater, dirt, or extreme temperatures is common. Additionally, the unit s **quick-connect fittings** facilitate easy installation and maintenance, allowing for rapid disassembly without compromising the hydraulic seal, which is essential for reducing downtime in high-throughput operations.

Beyond its mechanical robustness, the **WRA250ND6363BA** excels in fluid management by incorporating **Parker s advanced sealing technology**, including **Viton or EPDM elastomers** that ensure compatibility with a wide range of fluids, including water, glycol-based solutions, and light hydraulic oils. The unit s **retractable design** minimizes the risk of hose damage from repeated bending or twisting, a common issue in mobile or articulated systems, while its **compact footprint** allows for integration into tight spaces without sacrificing performance. Whether deployed in **military vehicles, construction equipment, or marine propulsion systems**, this retract unit delivers consistent, leak-free operation under varying loads and environmental conditions. With a focus on **long-term reliability and minimal maintenance**, the **Parker WRA250ND6363BA** stands as a premium solution for engineers and operators seeking a dependable hydraulic component that balances strength, precision, and ease of use.

### **Parker Wra250nd6363ba Water Retract Unit: Pros and Cons**

#### **Pros:**

1. **High Performance and Reliability** The Wra250 series is known for its robust construction and precision engineering, making it suitable for demanding applications in industries like aerospace, automotive, and industrial automation. It is designed to handle high-pressure and high-cycle applications with minimal wear.

2. **Compact and Space-Efficient Design** The unit is designed to be compact, which is beneficial in applications where space is limited. Its modular design allows for easy integration into existing systems.

3. **High Pressure and Flow Capacity** With a pressure rating of up to 3,500 psi (241 bar) and a flow rate of 25 GPM (94.6 L/min), this unit is capable of handling heavy-duty tasks, such as hydraulic systems in heavy machinery or industrial robots.

4. **Durability and Longevity** Parker Hannifin is a well-established brand with a reputation for producing high-quality, long-lasting components. The use of premium materials and precision manufacturing contributes to its durability.

5. **Compatibility with Parker s Ecosystem** Since Parker offers a wide range of complementary products (e.g., valves, pumps, and actuators), this unit can be easily integrated into larger hydraulic or pneumatic systems without compatibility issues.

6. **Precision and Consistency** The retract unit is designed to provide consistent performance, which is critical in applications requiring repeatability, such as in CNC machines or automated assembly lines.

7. **Easy Maintenance and Serviceability** Parker components are generally designed with maintenance in mind. The Wra250 series includes features that allow for straightforward servicing, such as accessible seals and filters.

8. **Global Support and Availability** Parker has a vast global network of distributors and technical support, ensuring that parts and service are readily available if needed.

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#### **Cons:**

1. **High Initial Cost** Like most high-performance industrial components from reputable brands, the Wra250nd6363ba comes with a premium price tag. This may be a significant investment for smaller businesses or startups with limited budgets.

2. **Complex Installation** Due to its precision engineering and integration requirements, installing this unit may require specialized knowledge or professional assistance. Improper installation could lead to performance issues or damage.

3. **Specialized Knowledge Required** Operating and maintaining this unit effectively may necessitate training for personnel, especially in areas like hydraulic system diagnostics or troubleshooting. This could add to operational costs.

4. **Potential for Overkill in Some Applications** If the application does not require the full capacity of the Wra250 (e.g., low-pressure, low-flow tasks), the unit may be unnecessarily powerful and expensive. In such cases, a lower-spec unit might suffice.

5. **Dependence on Parker s Ecosystem** While the compatibility with Parker s other products is an advantage, it could also be a limitation if the system requires non-Parker components. Ensuring full system integration may require additional planning.

6. **Weight and Bulk** Despite its compact design, the unit is still relatively heavy and bulky compared to some alternatives. This could pose challenges in terms of handling, storage, or installation in space-constrained environments.

7. **Potential for Higher Operating Costs** High-performance units often consume more energy or require premium fluids (e.g., high-quality hydraulic oil), which could increase operational expenses over time.

8. **Limited Customization Options** The Wra250 series is a standard product with specific configurations. If unique or highly customized requirements exist, additional modifications may be needed, potentially increasing costs or lead times.

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### **Conclusion**

The **Parker Wra250nd6363ba Water Retract Unit** is a high-quality, reliable, and durable component ideal for demanding industrial applications where precision, performance, and longevity are critical. Its strengths lie in its robustness, compatibility with Parker s ecosystem, and ability to handle high-pressure and high-flow tasks. However, its high cost, complexity, and potential overkill for less demanding applications may make it less suitable for smaller-scale or budget-conscious projects.

For applications requiring **high performance, consistency, and long-term reliability** such as in aerospace, heavy machinery, or automated industrial systems the Wra250nd6363ba is an excellent choice. Conversely, for **lower-pressure, cost-sensitive, or non-industrial applications**, a more affordable or simpler alternative may be more appropriate.

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### **Recommendation**

- **Buy the Parker Wra250nd6363ba if:**

- You are working in an **industrial, aerospace, or automotive sector** where reliability and high performance are non-negotiable.

- Your application requires **high pressure (up to 3,500 psi) and flow rates (25 GPM)**.

- You are already using or plan to integrate **Parker components** into your system.

- Budget constraints are not a major concern, and the long-term benefits justify the initial investment.

- **Consider alternatives if:**

- Your application does not require the full capacity of the Wra250, and a **lower-spec unit** (e.g., from Bosch Rexroth, Moog, or another brand) would suffice.

- You are operating on a **tight budget** and can find a comparable unit at a lower cost.

- Your team lacks **specialized knowledge** for installation, maintenance, or troubleshooting.

- The unit s **size or weight** poses logistical challenges in your application.

For most **high-end industrial applications**, the Parker Wra250nd6363ba is a **strong recommendation** due to its proven track record. However, always conduct a **cost-benefit analysis** and consult with a hydraulic specialist to ensure it aligns with your specific needs.

Details:

This specific unit features a 250ml retract volume, 63mm piston bore for both air and water, uses NPT ports water connections. It operates using a 24V DC pneumatic control system that ensures the unit is retracted in its rest position. Port Type: NPT National Pipe Thread for water connections. Mounting: Typically configured for foot bracket mounting.

2Parker WRA250N6363BA is a Water Retract Actuator WRA designed primarily for automotive spot welding applications to prevent water spillage during weld tip changes. Key Technical Specifications Retract Volume: 250 ml Standard. Materials: Constructed with an aluminum body, stainless steel, and composite materials compatible standard cooling fluids.

part #: wra250nd6363ba prices

  • $699.91-$1899.00

specifications generapneumati:

  • brand: Parker
  • mpn: Wra250nd6363ba
  • part type: Unit
  • country of origin: United States

returns generapneumati:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back

offer generapneumati:

  • started: April 15, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

general generapneumati:

  • condition: Used
  • Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics

shipping generapneumati:

  • type: Fixed
  • class: Standard
  • cost: $49.99
  • carrier: USPS
  • service: USPS Ground Advantage
  • transit: 5-10 Days

payments generapneumati:

  • other
  • wallet: Apple-pay
  • credit card: Discover

seller generapneumati:

  • city: Bloomfield Hills, Michigan
  • rating: 100.0%
  • # reviews: 869
part type: unit, country of origin: united states,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > hydraulics pneumatics, sku: 17849780166046762,
Parker WRA250ND6363BA Is Similar To:
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2 offers $699.91–$1899.00 USD
  • Used. Offer #1 priced at $699.91 + $49.99 shipping estimate = $749.90* total. Materials : Constructed with an aluminum body, stainless steel, and composite materials compatible with standard cooling fluids. Parker WRA250N6363BA is aWater Retract Actuator (WRA) designed primarily for automotive spot welding applications to prevent water spillage during weld tip changes.+$49.99 shipping
  • New. Offer #2 priced at $1899.00 + $0.00 shipping estimate = $1899.00* total. PARKER WATER RETRACT UNIT 250ML NPT 2 NEW IN BOX m5.FREE SHIPPING

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