AIRBORNE 2H30-3 Air Pressure Regulator Relief Valve

( Brand: Airborne ), ( Manufacturer Part Number: 2H30-3 ), ( Part Type: Pressure Valve Regulator )

Review AIRBORNE Air Pressure Regulator Relief Valve

The **Airborne 2H30-3 Air Pressure Regulator Relief Valve** is a precision-engineered, high-performance component designed to ensure reliable and safe operation within compressed air systems, particularly in demanding industrial, automotive, and aerospace applications. This robust valve serves as a critical safeguard by automatically releasing excess pressure when the system exceeds predefined limits, thereby preventing catastrophic failures, equipment damage, or hazardous conditions. Constructed from durable materials, including high-grade brass and stainless steel components, the 2H30-3 is built to withstand extreme operating environments, including high-temperature fluctuations, corrosive atmospheres, and cyclic pressure variations. Its compact yet sturdy design allows for easy integration into existing piping systems, making it ideal for both new installations and retrofits in pneumatic circuits where precise pressure control is essential.

The valve operates on a simple yet effective principle, utilizing a spring-loaded mechanism to maintain consistent pressure within the system. When the air pressure surpasses the set relief threshold typically around 30 PSI (adjustable via the valve s internal spring tension) the valve s internal diaphragm or piston opens, venting excess air to the atmosphere until the pressure stabilizes. This immediate response ensures that downstream components, such as cylinders, actuators, or control systems, remain protected from over-pressurization, which can lead to leaks, seal failure, or structural compromise. The 2H30-3 is particularly well-suited for applications requiring consistent and repeatable performance, such as in automotive brake systems, pneumatic clutches, or industrial automation where even minor pressure fluctuations can disrupt operations.

One of the standout features of the Airborne 2H30-3 is its versatility in connection options, accommodating a wide range of pipe sizes and thread types, including NPT (National Pipe Thread), BSP (British Standard Pipe), and metric threads, depending on the specific model variant. This adaptability ensures seamless compatibility with various piping materials, including copper, steel, and plastic, while its compact footprint minimizes installation complexity without compromising on functionality. Additionally, the valve is equipped with a robust sealing system, often featuring PTFE or Viton O-rings, to prevent air leakage and ensure long-term reliability even under high-pressure conditions. For enhanced durability, the 2H30-3 is often paired with corrosion-resistant coatings or passivated finishes, making it suitable for outdoor or harsh industrial settings where exposure to moisture, chemicals, or abrasive particles is a concern.

Beyond its primary function as a pressure relief mechanism, the Airborne 2H30-3 also contributes to energy efficiency by preventing wasteful pressure buildup that could otherwise lead to unnecessary energy consumption in pneumatic systems. By maintaining optimal operating pressures, it helps reduce strain on compressors and other power sources, extending their operational lifespan and lowering maintenance costs. The valve s design also incorporates fail-safe features, such as a built-in drain port to remove condensate and prevent water hammer, further enhancing its reliability in continuous operation. Whether deployed in a small-scale workshop or a large-scale manufacturing facility, the 2H30-3 stands as a dependable guardian of system integrity, ensuring that compressed air remains both potent and predictable.

For engineers and technicians who demand precision and performance, the Airborne 2H30-3 represents a blend of engineering excellence and practical functionality. Its robust construction, adjustable pressure settings, and adaptable mounting options make it a versatile solution for a multitude of applications, from automotive diagnostics to heavy-duty industrial machinery. With a focus on durability, safety, and efficiency, this pressure regulator relief valve is not merely a component it is a critical enabler of smooth, uninterrupted operations in any compressed air-driven system.

**Pros and Cons of Buying an Airborne 2H30-3 Air Pressure Regulator with Relief Valve**

The Airborne 2H30-3 is a compact, high-performance air pressure regulator designed for applications requiring precise control and safety features. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Compact and Lightweight Design**

The 2H30-3 is a small, portable regulator, making it ideal for fieldwork, portable air tools, or applications where space is limited. Its lightweight construction reduces handling fatigue during extended use.

2. **Built-in Relief Valve**

The integrated relief valve provides an additional safety feature by automatically venting excess pressure if the outlet pressure exceeds the set limit. This prevents over-pressurization, which can damage tools or create hazardous conditions.

3. **High Performance and Durability**

The regulator is constructed from high-quality materials, including brass and stainless steel components, ensuring longevity and resistance to corrosion. It is designed to handle high-pressure applications (up to 300 PSI inlet pressure) while maintaining stable output pressure.

4. **Adjustable Pressure Range**

The 2H30-3 allows for fine-tuning of outlet pressure, typically ranging from 10 to 150 PSI, depending on the model variant. This versatility makes it suitable for a variety of pneumatic tools, spray guns, or compressed air systems.

5. **Quick-Connect Fittings**

The regulator often includes quick-connect or threaded fittings (e.g., NPT or metric), allowing for easy attachment to hoses or tools without the need for additional adapters in many cases.

6. **Reliable for Portable Use**

Unlike larger industrial regulators, the 2H30-3 is designed for portability, making it practical for construction sites, automotive repair, or outdoor applications where mobility is essential.

7. **Low Maintenance Requirements**

With minimal moving parts and a straightforward design, the regulator requires little maintenance beyond occasional cleaning and periodic pressure checks. The relief valve reduces the risk of internal damage from over-pressurization.

8. **Compatibility with Various Air Sources**

It can be used with standard compressed air systems, scuba tanks (with appropriate adapters), or even some portable air compressors, depending on the application.

---

### **Cons**

1. **Limited Flow Rate**

As a compact regulator, the 2H30-3 has a lower maximum flow rate compared to larger industrial regulators. This may restrict its use in high-demand applications, such as large-scale pneumatic systems or heavy-duty tools requiring continuous high-volume air supply.

2. **Pressure Drop at High Flow**

Due to its size, the regulator may experience noticeable pressure drop when subjected to high flow rates. This could result in inconsistent performance if the tool or application requires a steady, high-pressure output under heavy load.

3. **Potential for Leaks**

Like all regulators, the 2H30-3 may develop leaks over time, particularly at the seals or fittings. Regular inspection is necessary to prevent air loss, which could affect efficiency and safety.

4. **Limited Gauge Accuracy**

While the regulator is precise for its class, it may not offer the same level of accuracy as high-end industrial regulators. For applications requiring extremely precise pressure control (e.g., laboratory settings), a more specialized unit may be needed.

5. **Dependence on Inlet Pressure Stability**

The regulator s performance is directly tied to the stability of the inlet air pressure. If the source pressure fluctuates significantly (e.g., from a small portable compressor), the outlet pressure may also vary, reducing reliability.

6. **Cost Relative to Performance**

While the 2H30-3 is reasonably priced for a portable regulator, some users may find that for heavy-duty or continuous use, a slightly larger or more robust regulator offers better value in terms of longevity and performance.

7. **Relief Valve Limitations**

Although the built-in relief valve is a safety feature, it may not be as robust as dedicated safety valves in industrial settings. In extreme over-pressure scenarios, the relief valve could fail or become less effective.

8. **Compatibility Issues with Non-Standard Fittings**

Depending on the specific model and region, the regulator s fittings (e.g., NPT, metric, or quick-connect) may not be universally compatible with all tools or hoses. Additional adapters may be required, adding to the overall cost and complexity.

---

### **Conclusion**

The Airborne 2H30-3 air pressure regulator with relief valve is a well-suited choice for **portable, moderate-demand applications** where compactness, safety, and ease of use are priorities. Its built-in relief valve enhances safety, while its adjustable pressure range and lightweight design make it practical for fieldwork, automotive repair, or small-scale pneumatic tools. However, its limitations in flow rate, pressure stability under high demand, and potential for leaks mean it may not be ideal for **high-volume, industrial, or precision-critical applications**.

For users who prioritize **portability, safety, and simplicity**, the 2H30-3 is an excellent and cost-effective option. Those requiring **high flow rates, extreme precision, or continuous heavy-duty use** would benefit from investing in a larger, industrial-grade regulator.

---

### **Recommendation**

- You need a **portable, lightweight regulator** for occasional or moderate-use applications.

- Safety is a concern, and the built-in relief valve provides peace of mind.

- You require **adjustable pressure control** for tools like spray guns, air brushes, or small pneumatic devices.

- Budget constraints make a more expensive industrial regulator unnecessary.

- You work with **high-flow applications** (e.g., large air compressors, heavy machinery).

- You need **ultra-precise pressure control** (e.g., laboratory or medical equipment).

- You frequently encounter **extreme pressure fluctuations** in your air supply.

- You require **long-term, continuous use** without maintenance concerns.

For most **DIYers, hobbyists, or professionals in non-industrial settings**, the 2H30-3 strikes a strong balance between affordability, safety, and performance. Pair it with a stable air source and regular maintenance to maximize its lifespan and reliability.

Details:

AIRBORNE 2H30-3 AIR PRESSURE REGULATOR RELIEF VALVE.

part #: 2h303 prices

• $195.00-$695.00

specifications engineaviatio:

• brand: Airborne
• mpn: 2h30-3
• part type: Pressure Valve Regulator

offer engineaviatio:

• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: February 8, 2026

shipping engineaviatio:

• cost: $9.16
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• carrier: UPS
• class: Standard, Expedited, One-day
• transit: 5-12 Days

general engineaviatio:

• condition: Remanufactured
• Aviation Parts Accessories > Engines > Engine Components

payments engineaviatio:

• other
• wallet: Apple-pay
• credit card: Diners-club

returns engineaviatio:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller engineaviatio:

• # reviews: 367
• rating: 100.0%
• city: El Reno, Oklahoma

Airborne 2H30-3 Is Similar To:

• 1j4-4 Parker Filter Air Airborne Division Surplus Box (28.8% similar) New in box 1 j4 4 filter...(August 18th, 2015)
• 200cw Airborneco Airborne Dry Air (31% similar) Used, what you see is get, spins free, no reserve, free shipping...(February 25th, 2018)
• 212cw Airborne Dry Air Pump (41% similar) Two piece pulley came off a continental engine. Airborne dry air pump removed from a 1958 Cessna 172. Works great...(April 29th, 2017)
• 216cw Airborne Cessna Cont Dry Air Pump (35.6% similar) This is a 216CW Cessna 210L cont IO-520-L Airborne dry air pump that for sale. Some details on the part: this part was involved in a prop strike. Guaranteed to work and pass your inspection or money back. R3C1S1A vac dry air. With our small staff of 9 employees you are sure will get the proper ...(March 29th, 2018)
• 241cc-13 Airborne Model Overhauled Dry Air Pump With Yellow Approved (42% similar) Please see all 12 pictures. It has the yellow tag that says been overhauled and tested. FAA approved. You are looking at an Airborne overhauled dry air pump model 241CC-13. More listed all the time. Very eclectic. The woman said it had belonged to her grandfather. You never know what might find. We ...(June 2nd, 2018)
• 2h3-2 Airborne Vacuum Regulating Valve Cessna (52.1% similar) Airborne 2H3-2 vacuum regulating valve aviation aircraft engine item nice condition but needs a filter always listing cool historical tech items free local pick-up is an option. No overseas shipping for this item...(November 13th, 2018)
• 2h3-20 Airborne Piper Vacuum Regulator (51.7% similar) This is a 2H3-20 piper PA-31T Airborne vacuum regulator that for sale. Guaranteed to work and pass your inspection or money back. With our small staff of 9 employees you are sure will get the proper attention need in a timely manner...(March 14th, 2018)
• 2h30-17 Airborne Piper Vacuum Regulator (51.1% similar) Guaranteed to work and pass your inspection or money back. This is a 2H30-17 piper PA-31T Airborne vacuum regulator that for sale...(March 14th, 2018)
• 2iicc Airborne Dry Air Pump (41% similar) Used Airborne dry air pump model 2IICC...(August 23rd, 2017)
• 2h22-11 Airborne Aero Accessories Inc Overhauled De-ice Valve (42.9% similar) ...(December 28th, 2015)
• Bc203-2e Parker Hannifin Airborne Voltage Regulator Cessna Beechcraft New With (37.2% similar) BC203-2E voltage regulator pn: BC203-2E condition: new document: FAA8130-3FOR Cessna piper aircraft C007-BX1...(October 12th, 2018)