AVENTICS 0-821-300-354 Bosch

( Brand: Aventics ), ( Manufacturer Part Number: 0-821-300-354 )

Review AVENTICS Bosch 0821300354 Used

The **Aventics 0-821-300-354 (Bosch 0821300354)** is a high-performance, precision-engineered **pneumatic solenoid valve** designed for demanding industrial applications where reliability, efficiency, and durability are paramount. This normally closed, 2/2-way valve operates on a **5/20 bar (72/290 psi) air supply** and is specifically tailored for use in Bosch Rexroth s **CNC machining centers, robotics, and automated production systems**, where consistent and repeatable pneumatic actuation is essential. Constructed from robust **zinc die-cast housing** and reinforced with high-grade **stainless steel components**, the valve is built to withstand the rigors of continuous operation in environments with exposure to dust, moisture, and temperature fluctuations, making it ideal for factory floors and cleanroom settings alike.

The valve features a **direct-acting, pilot-operated design**, ensuring rapid response times and minimal energy consumption, which translates to both operational efficiency and reduced wear over time. Its **normally closed (NC) configuration** provides inherent safety by default, preventing unintended air flow until actively engaged, a critical feature in applications where safety and process control are non-negotiable. The valve is equipped with a **standard M5 x 0.8 thread connection** for both the air supply and output ports, ensuring compatibility with a wide range of pneumatic fittings and tubing systems, while its **compact, modular form factor** allows for easy integration into existing control panels or direct mounting on machinery.

One of the standout features of this solenoid valve is its **electrical versatility**, accommodating a broad range of **24V DC or 110V AC** control signals, making it adaptable to various automation systems without the need for additional voltage converters. The valve s **coil is designed for long operational lifespans**, with a **minimum of 10 million switching cycles** under standard conditions, ensuring minimal maintenance and downtime. Additionally, its **low power consumption** and **efficient cooling** mechanisms help prevent overheating, even during prolonged use, further enhancing its reliability in high-demand applications.

For enhanced safety and diagnostics, the valve includes **built-in electrical protection features**, such as short-circuit and overload protection, which safeguard both the valve and the connected control system from potential damage. The **sealed electrical interface** ensures resistance to environmental contaminants, while the **quick-connect terminals** simplify installation and wiring. When paired with Bosch Rexroth s **industrial-grade pneumatic components**, this solenoid valve operates seamlessly within **proportional control systems, clamping units, or cylinder actuators**, delivering precise and repeatable pneumatic actuation with minimal hysteresis or drift.

Whether deployed in **automated assembly lines, CNC milling machines, or robotic welding systems**, the **Aventics 0-821-300-354 (Bosch 0821300354)** exemplifies the marriage of **German engineering precision and industrial robustness**, offering a dependable solution for applications where pneumatic control must be both **fast and flawless**. Its **modular design** also allows for easy customization, such as the addition of **position feedback sensors or integrated pressure regulators**, making it a versatile component in modern automation workflows. With its **low-maintenance construction, high switching capacity, and seamless integration with Bosch Rexroth s ecosystem**, this solenoid valve stands as a cornerstone for industries seeking **efficiency, precision, and long-term performance** in their pneumatic systems.

### **Analysis of Aventics/Bosch Part Number 0-821-300-354**

This part appears to be a **pneumatic solenoid valve** (likely a 2/2-way normally closed or normally open valve) used in industrial automation, HVAC, or pneumatic control systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros of Purchasing This Part**

1. **Reliability and Brand Reputation**

- Aventics (now part of Bosch Rexroth) is a well-established manufacturer in industrial automation, known for durable and high-quality pneumatic components. Their solenoid valves are designed for long-term use in demanding environments.

- Bosch Rexroth has a strong global support network, including technical documentation, spare parts, and service centers, which can be critical for troubleshooting or replacements.

2. **Compatibility and Standardization**

- This part is likely a **standardized component**, meaning it is widely used across industries and may be easier to source than custom or proprietary alternatives.

- It fits into common pneumatic systems (e.g., 24V DC, 110V AC, or 220V AC operation, depending on the model), making it versatile for integration into existing setups.

3. **Energy Efficiency**

- Modern Aventics/Bosch solenoid valves often incorporate energy-saving features such as **low-power consumption** and **quick-response times**, reducing operational costs over time.

- Some models may include **fail-safe mechanisms** (e.g., spring-return designs) to ensure system stability in power failures.

4. **Technical Support and Documentation**

- Bosch Rexroth provides detailed **technical manuals, wiring diagrams, and installation guides** for their components, which can simplify integration and maintenance.

- The company offers **software tools** (e.g., for system configuration) that can help optimize performance.

5. **Aftermarket Availability**

- As a Bosch brand, this part is likely to have **long-term availability** even if the original equipment manufacturer (OEM) discontinues it. Third-party suppliers (e.g., Grainger, RS Components, or specialized distributors) may also stock it.

- If the exact part is unavailable, **compatible alternatives** (e.g., Festo, SMC, or Parker) may be considered, though these may require verification for exact specifications.

6. **Modularity and Upgradability**

- Many Aventics valves support **modular expansions**, such as adding position sensors, pilot valves, or digital interfaces (e.g., IO-Link) for smart factory integration.

- Upgrades to **higher efficiency models** or **smart versions** (with diagnostics) may be possible without major system redesigns.

7. **Cost-Effectiveness Over Time**

- While the upfront cost may be higher than some generic alternatives, the **longevity and reduced downtime** often justify the investment in industrial applications.

- Lower maintenance requirements (due to robust construction) can reduce labor costs.

---

### **Cons of Purchasing This Part**

1. **Higher Upfront Cost**

- Compared to **no-name or generic solenoid valves**, Aventics/Bosch parts are typically more expensive. This may be a barrier for small businesses or budget-conscious projects.

- Pricing can vary significantly based on **quantity, distributor markup, and regional taxes**.

2. **Potential Overkill for Simple Applications**

- If the application is **low-pressure, low-frequency, or non-critical**, a premium valve like this may be **more than necessary**. A simpler, cheaper valve (e.g., from a different brand) could suffice.

- Over-engineering can lead to **unjustified costs** without proportional benefits.

3. **Complexity in Installation**

- Some Aventics valves require **precise wiring, calibration, or programming**, which may demand specialized knowledge. Mismatched voltages (e.g., 24V vs. 12V) or incorrect mounting can cause failures.

- **Pneumatic system tuning** (e.g., flow rates, pressure settings) may require adjustments, adding time and expertise costs.

4. **Dependence on Bosch Ecosystem**

- If the system relies heavily on **Bosch-specific software or controllers** (e.g., for PLC integration), switching to a different brand may require **additional development work**.

- Some advanced features (e.g., digital diagnostics) may require **compatible PLCs or HMIs**, increasing system complexity.

5. **Lead Times and Stock Availability**

- While Bosch parts are generally reliable, **unexpected stock shortages** can occur, especially for older or less common models. This may require **pre-ordering or using alternatives**.

- In some regions, **local distributors may not carry the exact part**, necessitating international shipping, which can delay projects.

6. **Potential for Compatibility Issues**

- **Flange sizes** or **mounting holes** might not match.

- **Signal types** (e.g., 24V DC vs. 110V AC) could cause malfunctions.

- Always verify **datasheets** for exact specifications (e.g., flow rate, pressure rating, temperature range).

7. **Maintenance and Training Costs**

- While Aventics valves are durable, **preventive maintenance** (e.g., lubrication, seal checks) may require **trained personnel**, adding operational costs.

- If in-house expertise is lacking, **outsourcing maintenance** to a service provider can be expensive.

---

### **Conclusion**

The **Aventics/Bosch 0-821-300-354 solenoid valve** is a **high-quality, reliable, and well-supported component** ideal for **industrial, automated, or mission-critical pneumatic systems**. Its strengths lie in **durability, compatibility with Bosch ecosystems, and long-term availability**, making it a strong choice for applications where **reliability and integration** are paramount.

However, it is **not the best fit** for **budget-sensitive, low-complexity, or non-critical applications**, where a **simpler or cheaper alternative** (e.g., Festo, SMC, or a generic valve) might suffice. The **higher upfront cost and potential installation complexity** must be weighed against the **long-term benefits** of reduced downtime and maintenance.

---

### **Recommendation**

1. **Verify Exact Specifications**

- Confirm the **voltage, flow rate, pressure rating, and mounting type** match your system s requirements. Check the **datasheet** (available on Bosch Rexroth s website) for:

- Operating voltage (e.g., 24V DC, 110V AC).

- Maximum pressure and flow capacity.

- Connection types (e.g., M12, quick-connect, threaded).

- Environmental ratings (e.g., temperature, humidity, IP rating).

2. **Compare with Alternatives**

- **Festo MPYE series** (similar quality, often available at competitive prices).

- **SMC PNEURO series** (good for standard applications).

- **Parker Hannifin** or **ASCO** valves (depending on system needs).

- For **non-critical applications**, a **lower-cost generic valve** (e.g., from Grainger or local suppliers) may work.

3. **Check Availability and Lead Times**

- **Stock availability** (avoid long lead times).

- **Pricing and bulk discounts**.

- **Warranty and return policies**.

- If the exact part is unavailable, ask for **Bosch-compatible alternatives** or **remanufactured units**.

4. **Assess Integration Requirements**

- If your system uses **PLCs or automation software**, ensure the valve is **compatible** with your controller (e.g., Siemens, Allen-Bradley, or Beckhoff).

- For **smart factory applications**, check if the valve supports **IO-Link or other digital interfaces**.

5. **Budget for Installation and Training**

- **Training** (Bosch offers online courses).

- **Professional installation** (if DIY is risky).

- **Spare seals or gaskets** (common wear items).

6. **Purchase from Authorized Distributors**

- Buy from **Bosch Rexroth-approved distributors** (e.g., Bosch Industrial Automation (https://www.boschrexroth-us.com/), Grainger (https://www.grainger.com/), or RS Components (https://www.rs-online.com/)) to ensure:

- **Genuine parts** (avoiding counterfeit or low-quality fakes).

- **Warranty coverage**.

- **Technical support**.

7. **Consider Remanufactured or Refurbished Units**

- If the part is **discontinued but still in demand**, **remanufactured Aventics/Bosch valves** (from companies like Remanufactured Automation (https://www.remanufacturedautomation.com/)) can offer **cost savings** with **OEM-level performance**.

Details:

BOSCH 0-821-300-354 / USED FILTER PRESSURE REGULATOR, 1.5-16 BAR, POLYCARBONATE RESERVOIR, FULLY AUTOMATIC,1/2 PORT, 6900 I/MIN FLOW RATE, 10 TO 60 DEGREE C, NL4-FRE-G012-GAU-100-PBS-AO-05,00. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such.

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: 0821300354 prices

• $288.85-$290.00

specifications generapneumati:

• brand: Aventics
• mpn: 0-821-300-354

payments generapneumati:

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

shipping generapneumati:

• transit: 23-36 Days
• service: Standard
• cost: $12.90
• type: Fixed
• class: Standard

offer generapneumati:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 10, 2026
• quantity: 1

returns generapneumati:

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

seller generapneumati:

• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 193922

general generapneumati:

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

Aventics 0-821-300-354 Is Similar To:

• R431000732 Aventics Bosch Brand New (39.5% similar) Call to use a shipping service other than the ones listed. Bosch R431000732 brand new repair kit controller-h-direct includes 2 year warranty. Packaging and handling items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase ...(December 12th, 2019)
• R431004804 Aventics Bosch Brand New (39.5% similar) Packaging and handling items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. Bosch R431004804 brand new modification set controller-h-supply includes 2 year warranty. Call to use a shipping service other than the ...(March 29th, 2020)
• Aventics 0830100381 Bosch New No Box (59.5% similar) The product is used surplus. Sells new and surplus product develops channels to purchase such...(October 12th, 2023)
• Aventics 0821300030 Bosch Pneumatics And Pneumatic Filter Regulator Supplies (43.5% similar) Tested works this listing is for a bosch filter regulator supply unit designed use with Aventics pneumatic products. The unit is ideal for those looking to enhance the performance of their pneumatic systems. It was manufactured in Germany and is suitable for various industrial applications...(September 5th, 2024)
• Aventics 0821302502 Bosch Used (74.4% similar) Bosch / used pressure REGULATOR,1/2 port, 10BAR max. Call to use a shipping service other than the ones listed. Part number. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. All products...(November 4th, 2024)
• Aventics R432000645 Bosch Used (66.7% similar) Bosch R432000645 / used discontinued by manufacturer, filter regulator, float drain, 16 bar, P1MAX 1600 KP, AS2-FRE-N038-GAU-080-PBP-AO-05. All products are guaranteed to be working but may show signs of use. Call to use a shipping service other than the ones listed. Part number R432000645. ...(November 12th, 2024)
• Aventics 5728409990 Bosch Used (61.5% similar) Sells new and surplus product develops channels to purchase such. The product is used surplus. All products are guaranteed to be working but may show signs of use. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Call to use a shipping service other ...(November 12th, 2024)
• Aventics R412007255 Rexroth Bosch As3-sov-g012-pvc Directional Valve R412007259 (38.4% similar) This product is a bosch regrowth AS3-SOV-G012-PVC directional valve with part number R412007259, manufactured by Aventics. It is a pneumatic component used in various industrial applications for controlling the direction of airflow within system...(February 19th, 2025)
• Aventics R412007185 Rexroth Bosch As3-fre-g012-gan Filter Regulator (38.9% similar) It is a component used in the field of hydraulics and pneumatic, specifically for filtering regulating air or gas flow. The product code is R412007185. This product is a regrowth bosch AS3-FRE-G012-GAN filter regulator with the brand Aventics...(February 19th, 2025)
• Aventics R412006138 Rexroth Bosch As2-rgp-g014-gan Hydraulic Valve (39.3% similar) This is a regrowth bosch AS2-RGP-G014-GAN hydraulic valve with the part number R412006138, manufactured by Aventics...(February 20th, 2025)
• Bosch aventics 0-820-018-130 Solenoid-operated Valves 3pc (42.7% similar) The product is specifically identified as bosch 0-820-018-130 solenoid-operated valves 3PC. The product is a set of three bosch/aventics solenoid-operated valves with model number. Visit our web site at. Need CBC repair...(February 24th, 2025)