ASCO 8551G403AC120-60 Valves Manifolds 8551G403AC120/60 110/50D

( Brand: Asco ), ( Manufacturer Part Number: 8551G403AC120/60 ), ( Part Type: Valve Manifold )

Review ASCO 8551g403ac120/60 110/50d Used

The **Asco 8551G403AC120/60 110/50D** is a high-performance, electrically actuated, normally closed (NC) globe-style control valve engineered for precise fluid regulation in demanding industrial and commercial applications. Part of Asco s renowned **8551 Series**, this valve combines robust construction with advanced pneumatic and electrical control capabilities, making it ideal for HVAC systems, process automation, and other critical fluid-handling environments where reliability and efficiency are paramount. The valve features a **3/4-inch (DN20) nominal size** with a **120/60 PSI (8.3/4.1 bar) pressure rating**, ensuring it can handle moderate to high-pressure applications while maintaining leak-tight performance. Its **AC120V or AC60V** electrical actuation allows seamless integration with standard control systems, enabling remote operation, sequencing, or fail-safe functionality through a built-in solenoid coil that activates the pneumatic piston mechanism. The **110/50D** designation indicates a **normally closed (NC) configuration** with a **110V or 50V AC** power requirement, providing flexibility for different electrical setups while ensuring consistent operation under varying load conditions.

Designed with a **globe-style body**, the valve offers superior throttling control, making it well-suited for applications requiring precise flow modulation, such as steam distribution, chilled water systems, or gas regulation. The **pneumatic piston actuator** delivers smooth, responsive actuation with minimal hysteresis, reducing wear and extending the valve s operational lifespan. The valve s **stainless steel internals** and **brass or stainless steel trim options** enhance corrosion resistance, ensuring durability in environments exposed to moisture, chemicals, or temperature fluctuations. Additionally, the **metal-seated design** provides excellent sealing performance, minimizing leakage and maintaining system integrity even under cyclic operation. For added convenience, the valve includes a **manual override lever**, allowing for local manual control in case of power or pneumatic failure, which is a critical feature in emergency or maintenance scenarios.

The **8551G403AC120/60 110/50D** is built to meet strict industry standards, including **UL, CSA, and CE certifications**, ensuring compliance with safety and performance regulations. Its compact yet sturdy construction makes it easy to install in tight spaces, while the **standard NPT (National Pipe Thread) connections** ensure compatibility with a wide range of piping systems. The valve s **fail-safe design** whether configured as normally closed (NC) or normally open (NO) through wiring adjustments provides enhanced system reliability by defaulting to a predetermined state in the event of power loss or actuator failure. This makes it particularly valuable in applications where safety and operational continuity are critical, such as in fire protection systems, laboratory settings, or industrial automation where unplanned downtime cannot be tolerated.

Overall, the **Asco 8551G403AC120/60 110/50D** is a versatile, high-quality control valve that bridges the gap between pneumatic and electrical actuation, offering precise flow control, durability, and ease of integration. Whether used in HVAC systems for climate control, in process industries for chemical or gas handling, or in automation applications for precise sequencing, this valve delivers consistent performance with minimal maintenance requirements. Its combination of **electrical actuation, robust materials, and fail-safe operation** makes it a dependable choice for engineers and technicians seeking a reliable solution for fluid management in both commercial and industrial settings.

### **Analysis of buying a ASUS ROG Strix SCAR 17 (ASCO 8551G403AC120/60 110/50D)**

The **ASUS ROG Strix SCAR 17 (ASCO 8551G403AC120/60 110/50D)** is a high-end gaming laptop designed for performance, portability, and durability. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Premium Build Quality and Portability**

- The SCAR 17 is one of the thinnest and lightest 17-inch gaming laptops, weighing around **4.4 lbs (2 kg)**. This makes it more portable than most traditional gaming laptops while still offering a large screen.

- The **military-grade (MIL-STD-810G) durability** ensures resistance to drops, vibrations, and extreme temperatures, making it ideal for gamers who travel frequently or use it in rugged conditions.

- The **all-metal chassis** provides a premium feel and better heat dissipation compared to plastic-based competitors.

2. **High-Refresh-Rate Display**

- The **17.3-inch QHD (2560x1440) display** with a **165Hz refresh rate** delivers smooth visuals for gaming and productivity. The **100% sRGB color coverage** also makes it suitable for content creation.

- Optional **G-Sync Ultimate** (if configured) ensures tear-free gaming with NVIDIA GPUs, reducing input lag and stuttering.

3. **Top-Tier Performance Components**

- The laptop supports **high-end Intel Core i9 or AMD Ryzen 9 processors**, paired with **NVIDIA GeForce RTX 30/40 series GPUs** (e.g., RTX 4090 in some variants), delivering **AAA gaming performance** at 1080p and even 1440p in some cases.

- **Up to 64GB DDR5 RAM** and **2TB NVMe SSD** (expandable via M.2 slot) ensure fast load times and multitasking capabilities.

- **Intel Iris Xe graphics** (for integrated performance) provide decent productivity and light gaming when the discrete GPU is unavailable.

4. **Advanced Cooling System**

- ASUS s **ROG IceSting thermal design** includes **dual fans, vapor chamber cooling, and heat pipes** to maintain performance under heavy loads.

- The **Ergonomic Airflow Ventilation System** helps prevent overheating during prolonged gaming sessions.

5. **Gaming and Productivity Features**

- **ASUS Aura Sync RGB lighting** (customizable via software) adds a premium aesthetic.

- **Backlit keyboard** with **customizable RGB** enhances usability in low-light conditions.

- **Thunderbolt 4 and USB 4 ports** provide fast data transfer and connectivity for peripherals.

- **Dedicated media keys** for quick access to streaming and productivity apps.

6. **Battery Life (Relative to Gaming Laptops)**

- While not a powerhouse like ultrabooks, the **54Wh battery** provides **3-5 hours of light use** (web browsing, office work). For gaming, expect **1-2 hours** before needing a recharge.

- The **fast-charging capability** (ASUS Turbo Charging) can provide **up to 50% charge in 30 minutes**.

7. **Software and Extras**

- **ASUS Armoury Crate** software allows for customization of RGB lighting, fan curves, and performance profiles.

- **Pre-installed Windows 11 Pro** with **ASUS GameFirst software** for network prioritization.

- **Dedicated GPU cooling fan** prevents thermal throttling during intensive tasks.

---

### **Cons**

1. **High Cost**

- The SCAR 17 is **one of the most expensive gaming laptops** on the market, often priced **$2,500 $3,500 ** depending on configuration.

- The **RTX 4090 variant** can exceed **$3,000**, making it comparable to or more expensive than some desktop gaming setups.

- **Upgradability is limited** RAM is soldered, and while the SSD is user-replaceable, the GPU and CPU are not.

2. **Battery Life Limitations**

- Gaming laptops inherently have **shorter battery life** than ultrabooks. The SCAR 17 is no exception, offering **only 3-5 hours of productivity use** and **1-2 hours for gaming**.

- If portability and long battery life are priorities, this may be a drawback.

3. **Display Limitations**

- While the **QHD resolution is excellent**, the **165Hz panel may lack HDR support** in some configurations (depending on the exact model).

- **Peak brightness is moderate ( 300 nits)**, which may not be ideal for outdoor use or HDR content.

4. **Weight and Portability Trade-offs**

- Although **lighter than most 17-inch gaming laptops**, it is still **heavier than ultrabooks** (e.g., MacBook Pro, Dell XPS 17).

- The **large size (17.3")** may not be ideal for **carrying in a backpack** or working in tight spaces.

5. **Cooling Noise Under Heavy Load**

- The **dual-fan cooling system** can get **loud under sustained high-load conditions** (e.g., 4K gaming, rendering).

- While effective, the noise may be **annoying in quiet environments**.

6. **Limited Port Selection (in Some Models)**

- Some configurations **lack HDMI 2.1**, which is a drawback for **high-refresh-rate monitors or 4K gaming**.

- **Only two USB-A ports** (one USB 3.2 Gen 2x2, one USB 3.2 Gen 2) may feel limiting for peripherals.

7. **Potential Overkill for Some Users**

- If you **only game at 1080p** or do **light productivity work**, a **more affordable 15.6-inch gaming laptop** (e.g., ASUS ROG Zephyrus G15, Lenovo Legion Pro 7) may offer **better value**.

- The **RTX 4090 is overkill for most gamers**, as **RTX 4080 or RTX 4070** provide **90% of the performance** at a lower cost.

---

### **Conclusion**

The **ASUS ROG Strix SCAR 17 (ASCO 8551G403AC120/60 110/50D)** is a **premium, high-performance gaming laptop** that excels in **portability, durability, and raw power**. It is **ideal for gamers who prioritize a large, high-refresh-rate display in a rugged, lightweight package** and can afford the **high price tag**.

- Users who need **long battery life** (opt for a hybrid or ultrabook instead).

- Those who **only game at 1080p** (a cheaper 15.6-inch laptop may suffice).

- Buyers who require **maximum upgradability** (RAM and storage are limited).

- People who **prefer silent operation** (cooling fans can get loud under load).

If **budget is not a concern** and you want the **best 17-inch gaming laptop** with **military-grade durability and top-tier performance**, the SCAR 17 is an **excellent choice**. Otherwise, consider **mid-range alternatives** like the **ASUS ROG Zephyrus G15, Lenovo Legion Pro 7, or MSI Raider GE78**.

---

### **Final Recommendation**

You need a **large, high-refresh-rate display** (QHD 165Hz) in a **portable form factor**.

You prioritize **durability (MIL-STD-810G)** and **rugged use**.

You want **top-tier gaming performance** (RTX 4090/RTX 4080) and **productivity power**.

You can **afford the premium price** and don t mind **compromises in battery life and cooling noise**.

You need **longer battery life** (look at **ASUS ZenBook Pro 14/16** or **Dell XPS 17**).

You **only game at 1080p** (a **15.6-inch gaming laptop** like **ASUS ROG Strix G15** is better value).

You **prefer silent operation** (check **ASUS ROG Zephyrus G14** for quieter cooling).

You want **more upgradability** (some **Lenovo Legion or MSI Raider laptops** allow RAM/SSD upgrades).

Details:

Sells new and surplus product develops channels to purchase such. Part Number 8551G403AC120/60,110/50D. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

Call to use a shipping service other than the ones listed.

part #: 8551g403ac12060 prices

• $195.84-$324.90

specifications valvesplumbing:

• brand: Asco
• mpn: 8551g403ac120/60
• part type: Valve Manifold

shipping valvesplumbing:

• type: Fixed
• transit: 24-37 Days
• service: Standard
• class: Standard
• cost: $12.90

payments valvesplumbing:

• credit card: Visa
• wallet: Paypal
• other

offer valvesplumbing:

• quantity: 1
• availability: In Stock
• started: February 25, 2026
• sold: 0
• options: Ship-to-home

general valvesplumbing:

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

seller valvesplumbing:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%
• # reviews: 191602

returns valvesplumbing:

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

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