REXROTH 481624-5 Mannesmann Double Hydraulic Check Valve 481624/5 Z2FS 6-2-42/2QV

( Brand: Rexroth ), ( Manufacturer Part Number: 481624/5 ), ( Part Type: Hydraulic Valve Check ), ( Suitable Media: Oil ), ( Valve Operation: Manual )

Review REXROTH 481624/5 Mannesmann 6-2-42/2qv Double Hydraulic Check Valve

The **Bosch Rexroth 481624/5 Mannesmann Z2FS 6-2-42/2QV Double Hydraulic Check Valve** is a precision-engineered, high-performance hydraulic component designed for demanding applications where reliability, efficiency, and durability are paramount. Part of Rexroth s renowned Z2FS series, this valve combines advanced hydraulic engineering with robust construction to ensure seamless fluid flow control in industrial, mobile, and automotive hydraulic systems. The **double check valve design** incorporates two independent spring-loaded mechanisms, allowing for bidirectional flow regulation while preventing backflow in either direction, which is critical in systems where pressure surges or reverse flow could compromise performance or safety. Manufactured by Mannesmann, a trusted name in hydraulic components, this valve is built to withstand extreme operating conditions, including high pressures (up to 420 bar, or 6,000 psi), elevated temperatures, and frequent cycling, making it ideal for heavy-duty machinery such as presses, injection molding systems, excavators, and agricultural equipment.

The **6-2-42/2QV** designation specifies key operational parameters, including a nominal port size of **6 mm (1/4 inch)**, a pressure rating of **420 bar**, and a flow coefficient (Qv) of **2**, indicating its capacity to handle significant fluid volumes while maintaining minimal pressure drop. The valve s **spring-loaded design** ensures immediate and consistent sealing, reducing internal leakage and energy loss, while the **stainless steel or brass construction** (depending on the specific variant) provides exceptional resistance to corrosion, wear, and fatigue even in harsh environments containing contaminants or aggressive fluids. The **Z2FS series** is further distinguished by its compact yet robust housing, which integrates smoothly into hydraulic circuits without compromising performance, and its compatibility with a wide range of hydraulic oils, emulsions, and water-glycol mixtures, making it versatile for diverse applications.

Beyond its technical specifications, the **Rexroth 481624/5** stands out for its **modular adaptability**, allowing for easy integration into existing hydraulic systems through standard mounting configurations and connection options. The valve s **silent operation** and smooth actuation minimize noise and vibration, contributing to overall system efficiency and operator comfort. Additionally, Rexroth s commitment to quality assurance ensures that each unit undergoes rigorous testing for leak tightness, pressure endurance, and functional reliability, guaranteeing long-term performance with minimal maintenance requirements. Whether deployed in a high-speed hydraulic press, a mobile hydraulic system, or an automated industrial process, this double check valve delivers uncompromising protection against backflow, pressure spikes, and system inefficiencies, making it an indispensable component for engineers and operators seeking precision, durability, and peace of mind in their hydraulic applications.

### **Pros and Cons of buying a Rexroth 481624/5 Mannesmann Z2FS 6-2-42/2QV Double Hydraulic Check Valve**

1. **High-Quality Brand (Bosch Rexroth)** Rexroth is a well-established manufacturer known for reliable, precision-engineered hydraulic components. Their products are widely used in industrial, automotive, and mobile hydraulics, ensuring durability and performance.

2. **Double Check Valve Design** This valve combines two check valves in one unit, allowing for bidirectional flow control. This is useful in systems where reverse flow must be prevented in both directions, improving safety and efficiency.

3. **Compatibility with Mannesmann Hydraulics** The valve is designed to integrate seamlessly with Mannesmann hydraulic systems, which are also high-quality and commonly used in European and global industrial applications. This ensures better compatibility with existing setups.

4. **Precision Engineering** The valve features tight tolerances and robust construction, reducing internal leakage and ensuring consistent operation under pressure.

5. **Wide Pressure Range (6-2-42/2QV)** The model supports a broad pressure range (likely 60 420 bar, depending on the exact specification), making it suitable for heavy-duty applications such as construction, mining, or industrial machinery.

6. **Durability and Longevity** Made from high-grade materials, this valve is designed to withstand harsh operating conditions, reducing the need for frequent replacements.

7. **Standardized Sizing (2QV)** The 2QV designation suggests it fits standard hydraulic line sizes, making it easier to source replacement parts and accessories.

8. **Energy Efficiency** Double check valves minimize backflow losses, improving system efficiency by reducing unnecessary pressure drops.

---

1. **High Initial Cost** As a premium brand, Rexroth components are typically more expensive than generic or aftermarket alternatives. This may be a significant investment for smaller operations or budget-conscious buyers.

2. **Potential Overkill for Light-Duty Applications** If the valve is being used in a system with relatively low pressure demands, its robust design may be unnecessary, leading to wasted cost.

3. **Limited Availability of Aftermarket Parts** While Rexroth parts are reliable, finding compatible aftermarket replacements or service providers may be more difficult compared to more common brands.

4. **Complex Installation** Double check valves require precise installation to ensure proper sealing and function. Improper installation could lead to leaks or premature failure.

5. **Maintenance Requirements** While durable, hydraulic valves still require periodic inspection, cleaning, and lubrication. Neglecting maintenance could reduce lifespan.

6. **Potential for Counterfeit Products** Due to its popularity, there is a risk of purchasing counterfeit or low-quality replicas. Buyers should source from authorized distributors to avoid this issue.

7. **Long Lead Times** Depending on the distributor, ordering a specialized valve like this may result in longer wait times compared to more common hydraulic components.

---

The **Rexroth 481624/5 Mannesmann Z2FS 6-2-42/2QV double hydraulic check valve** is a high-performance, reliable component ideal for demanding industrial applications where bidirectional flow control is critical. Its precision engineering, durability, and compatibility with Mannesmann systems make it a strong choice for heavy-duty hydraulics. However, the higher cost and potential over-engineering for lighter applications may not justify the purchase for all users.

For **industrial, construction, or mobile hydraulics applications requiring robust flow control**, this valve is an excellent investment. For **smaller or less demanding systems**, a more cost-effective alternative (such as a standard single check valve or a lower-grade double check valve) might be sufficient.

---

- You are working in a high-pressure, heavy-duty hydraulic system (e.g., excavators, presses, mining equipment).

- You prioritize long-term reliability and brand reputation.

- Your system requires bidirectional flow prevention (e.g., in dual-pump or complex circuit designs).

- You have access to authorized distributors to ensure authenticity.

- Your application involves low to moderate pressure demands.

- Budget constraints make the premium price prohibitive.

- You can source a similarly performing valve from a more affordable brand (e.g., Parker, Hydac, or a reputable aftermarket supplier).

- Purchase from **authorized Rexroth or Mannesmann distributors** to avoid counterfeit parts.

- Ensure proper installation and regular maintenance to maximize lifespan.

- Verify compatibility with your existing hydraulic system before purchase.

For most **high-reliability industrial applications**, this valve is a **strong recommendation** due to its performance and longevity. However, always weigh the cost against the specific requirements of your system.

Details:

Used but in good condition. Rexroth Mannesmann Z2FS 6-2-42/2QV Double Throttle Hydraulic Check Valve, 481624/5.

part #: 4816245 prices

• $79.99-$99.99

specifications valvesplumbing:

• brand: Rexroth
• mpn: 481624/5
• part type: Hydraulic Valve Check
• suitable media: Oil
• valve operation: Manual

offer valvesplumbing:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: April 4, 2026
• best offers: True
• quantity: 1

shipping valvesplumbing:

• transit: 5-8 Days
• type: Fixed
• carrier: USPS
• class: Standard
• cost: $10.00
• service: USPS Ground Advantage

payments valvesplumbing:

• credit card: Mastercard
• wallet: Google-pay
• other

returns valvesplumbing:

• policy: No Returns

seller valvesplumbing:

• city: Oldtown, Idaho
• rating: 100.0%
• # reviews: 3682

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

Rexroth 481624-5 Is Similar To:

• 00560900 Rexroth Used Throttle Check Valve (43.9% similar) Used Rexroth throttle check valve Z2FS v SO30 b3 s6 BB...(June 14th, 2018)
• 0493833103 Rexroth New Pilot Valve (32.1% similar) Brand new in original packaging...(August 19th, 2018)
• 0793106807 Rexroth New Bosch Valve Body Double Solenoid (36.2% similar) New item in retail box. Please through messages. GSR veers 823 gs...(October 12th, 2018)
• 0811004106 Bosch Rexroth New Hydraulic Flow Control Valve Bnib (40.3% similar) I will communicate with you throughout the buying process. This item comes from a 100 smoke-free home. I will reply as soon possible. Please e-mail me with any other questions. You are buying on a brand new flow control valve by bosch. I am also an buyer and want to treat you as like be treated. ...(March 7th, 2018)
• 0811403001 Rexroth Prop Valve 4wrp10ea63s-1x-g24z4-m (24.2% similar) Offered for sale is a good used Rexroth prop valve 4WRP10EA63S-1X G24Z4 m this item was removed from working piece of obsolete equipment and guaranteed to work on arrival shipping lower 48 states only thanks looking...(July 13th, 2017)
• 0811404001 4wrp 10 E63s-1x-g24z4-m Bosch Rexroth Valve (20.6% similar) NICEBRK-126...(May 2nd, 2018)
• 0811404771 Rexroth Hydraulic Valve New (41.8% similar) Rexroth 4WRPE10E80SJ-20 G24K0 A1M hydraulic proportional valve new location B1-B2-S2405-11-18...(May 11th, 2018)
• 0811404827 Rexroth New Bosch Hydrulic Valve Germany (42.3% similar) New bosch Rexroth hydraulic proportional directional control valve 4WRPEH10C5B100P-2X G24K0 A1M made in Germany...(June 14th, 2018)
• 10-1-32-v Mannesmann Rexroth Hydrualic Valve New No Box (47.2% similar) If another carrier such as DHL or ups is required to ship due certain shipping requirements, then the costs and requested may change...(March 3rd, 2019)
• 2a-bd-0 Rexroth Flexair Valve (35.6% similar) Rexroth 150PSI flex air valve...(October 19th, 2018)
• 4we 6 D6x-eg24n9dal Rexroth New Hydraulic Valve Made In Usa (38.2% similar) New Rexroth hydraulic valve R900550589 4WE6D62 EG24N9DAL made in USA...(May 7th, 2018)