DURAIR II AP085N Pneumatic Ball Valve Npt 1-1/2IN

( Brand: Durair Ii ), ( Manufacturer Part Number: AP085N ), ( Part Type: Pneumatic Valve ), ( Size: 1-1/2 In ), ( Thread Type: Npt ), ( Actuation Type: Pneumatic ), ( Material: Stainless ), ( Reference Sku: 1759816 ), ( Product Condition: Used Excellent )

Review DURAIR II Pneumatic Stainless Ball Valve 1-1/2in Npt

The **Durair AP085N Pneumatic Ball Valve (1-1/2" NPT)** is a high-performance, full-port ball valve engineered for precise control in industrial, commercial, and process automation applications. Designed with a robust **1-1/2-inch National Pipe Thread (NPT) connection**, this valve ensures reliable sealing and smooth fluid flow across a wide range of media, including water, steam, air, chemicals, and light hydrocarbons. The valve features a **pneumatic actuator**, which provides efficient and consistent operation through controlled pneumatic pressure, eliminating the need for manual intervention and reducing operator fatigue. This actuator is equipped with a **spring return mechanism**, allowing for both normally open (NO) and normally closed (NC) configurations, depending on the application s requirements. The **full-port design** minimizes pressure drop and maximizes flow efficiency, making it ideal for systems where optimal throughput is critical.

Constructed from **durable materials**, including a **stainless steel body** and **Teflon (PTFE) or Viton seat options**, the AP085N delivers exceptional resistance to corrosion, abrasion, and chemical degradation, ensuring long-term durability even in harsh environments. The valve s **floating ball design** provides a tight seal while reducing wear, while the **double-block-and-bleed (DBB) feature** allows for safe maintenance by isolating the valve and bleeding trapped pressure, enhancing safety during servicing. The **pneumatic connection** is compatible with standard air supply systems (typically 80 100 PSI), and the valve includes a **quick-connect fitting** for easy installation and disconnection. Additionally, the **modular design** allows for easy replacement of internal components, reducing downtime and maintenance costs.

Ideal for **HVAC systems, water treatment plants, chemical processing, food and beverage production, and automation control panels**, the Durair AP085N offers a perfect balance of **durability, precision, and ease of use**. Its **low torque operation** ensures smooth actuation, while the **weatherproof and corrosion-resistant housing** makes it suitable for both indoor and outdoor installations. Whether used in **automated piping systems, emergency shutdown applications, or process control setups**, this valve delivers consistent performance, reliability, and operational efficiency. With its **compact yet sturdy construction**, the AP085N is a versatile solution for industries demanding high-performance fluid control with minimal maintenance.

### **Pros and Cons of buying a Durair AP085N Pneumatic Ball Valve (1-1/2" NPT)**

1. **Reliable Performance** Durair is a well-known brand in industrial valve manufacturing, offering durable and high-quality pneumatic ball valves suitable for various applications, including water, gas, and light chemicals.

2. **Pneumatic Operation** The valve is designed for automated control, making it ideal for systems requiring remote or programmable actuation (e.g., PLC-controlled processes).

3. **Full Port Design** The 1-1/2" full-port ball valve ensures minimal pressure drop and maximum flow capacity, which is beneficial for applications where efficiency is critical.

4. **NPT Threading** The National Pipe Taper (NPT) threading ensures a secure and standardized connection, reducing the risk of leaks when properly installed.

5. **Durable Construction** The valve is likely made from materials like brass, stainless steel, or PVC, depending on the model variant, providing resistance to corrosion and wear.

6. **Standardized Sizing** The 1-1/2" size is common in plumbing and industrial systems, making it easy to integrate into existing setups.

7. **Cost-Effective for Basic Needs** Compared to high-end specialty valves, this model offers a balance between affordability and functionality for general-purpose use.

1. **Limited Material Options** Depending on the specific variant, the valve may not be suitable for highly corrosive or abrasive fluids without additional coatings or upgrades.

2. **Basic Actuation Mechanism** The pneumatic actuator may lack advanced features like position feedback or fail-safe mechanisms found in more expensive models.

3. **Potential Leak Risks** If not installed or maintained properly, NPT threads can sometimes lead to leaks, especially under high pressure.

4. **No Built-In Pressure Relief** Unlike some industrial valves, this model may not include integrated pressure relief or backflow prevention, requiring additional safeguards in critical systems.

5. **Limited Customization** The valve may not offer options for specialized coatings, certifications (e.g., food-grade, explosion-proof), or custom mounting configurations.

6. **Dependence on Air Supply** Pneumatic valves require a consistent air source, which may not be available in all setups, potentially limiting their usability in certain environments.

7. **Warranty and Support Variability** Depending on the supplier, warranty coverage and customer support may vary, potentially affecting long-term reliability.

---

### **Conclusion**

The **Durair AP085N Pneumatic Ball Valve (1-1/2" NPT)** is a solid choice for applications requiring automated control in moderate-pressure systems where reliability and ease of integration are priorities. It excels in general-purpose use, offering a balance of performance and affordability. However, it may fall short for highly specialized or high-risk applications where advanced features, corrosion resistance, or pressure regulation are critical.

For most **residential, light commercial, or industrial plumbing/gas systems** where cost efficiency and standard performance are sufficient, this valve is a practical selection. Users should ensure proper installation, maintenance, and compatibility with their air supply system to maximize its lifespan and functionality.

---

### **Recommendation**

- You need a **pneumatic ball valve for automated control** in a 1-1/2" NPT system.

- Your application involves **water, air, or light gases** without extreme conditions.

- You prioritize **affordability and reliability** over advanced features.

- The valve will be installed in a **moderate-pressure environment** with proper support systems (e.g., air compressor, filters).

- You require **high corrosion resistance** (e.g., for chemicals or marine use) opt for a stainless steel or coated valve.

- Your system demands **fail-safe mechanisms, position feedback, or explosion-proof certification**.

- You need **higher pressure or temperature ratings** look for valves with reinforced bodies or specialized materials.

- Budget allows for **branded alternatives** (e.g., ASCO, Emerson) with superior support and warranty options.

For most standard applications, the Durair AP085N is a **recommended purchase** due to its proven performance and cost-effectiveness. Always verify specifications with the supplier to ensure it meets your exact requirements.

Details:

Pneumatic Directional Valves. Actuation Type:Pneumatic. Pneumatic Cylinders. Thread Type:NPT.

Pneumatic Filter-Regulators. Pneumatic Exhaust Valves. Model Number:AP085N.

part #: ap085n prices

• $463.80-$725.00

specifications valvesplumbing:

• brand: Durair Ii
• mpn: Ap085n
• part type: Pneumatic Valve
• size: 1-1/2 In
• thread type: Npt
• actuation type: Pneumatic
• material: Stainless
• reference sku: 1759816
• product condition: Used Excellent

shipping valvesplumbing:

• cost: $0.00
• type: Fixed
• transit: 5-5 Days
• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight

general valvesplumbing:

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

returns valvesplumbing:

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

offer valvesplumbing:

• quantity: 1
• best offers: True
• options: Ship-to-home
• started: April 7, 2026
• availability: In Stock
• sold: 0

seller valvesplumbing:

• rating: 100.0%
• city: Delta, Ohio
• # reviews: 126662

payments valvesplumbing:

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

Durair Ii AP085N Is Similar To:

• At25 Durair Solenoid Pneumatic Driven Ball Valve (59.8% similar) Durair AT25 solenoid pneumatic driven ball valve controlled model: new, no packaging...(February 7th, 2019)
• Durair Ap063-n Ii Ap063n Pneumatic Valve Actuator Duravalve Module 145 Psi Max Unit (45.1% similar) Free shipping. This is a Durair Ii AP063N pneumatic valve actuator devolve module 145 psi max unit. The unit works, and was removed from a working environment...(May 26th, 2025)
• Atsco Durair Drivevalve Ap032f04 8551 With And 340 3 8 Inch 1500psi Ball Valve Tested 24v (43.2% similar) This is an assembly of Ats 24VDC air solenoids to drive 8551 bi-directional valve, which powers a Durair AP032F04 motor that drives drive valve 340 3/8 stainless steel ball valve. The ball valve is rated to 1500 psi and obviously from the photos stainless steel, cf bk body PDF seals. Snakelike ...(July 6th, 2025)
• Durair As7211 Ii 3 8 Inch Dm240 Duravalve Assemble (40.4% similar) Durair Ii AS7211 3/8 DM240 devolve assemble...(July 16th, 2025)