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  3. MAC VALVES INC 6513B-521-PM-113DA

MAC VALVES INC 6513B-521-PM-113DA Manifolds 6513B521PM113DAMOV1

6513b521pm113damov1 Mac Valves Inc 6513b-521-pm-113da Mov1 / Used

( Brand: Mac Valves Inc ), ( Manufacturer Part Number: 6513B-521-PM-113DA ), ( Part Type: Manifold )

Review MAC VALVES INC Mov1 Used

The **MAC Valves 6513B-521-PM-113DA MOV1 (6513B521PM113DAMOV1)** is a high-performance, precision-engineered **multi-stage vacuum valve** designed for demanding applications in semiconductor manufacturing, thin-film deposition, and advanced materials processing. This valve is part of MAC Valves **6500 series**, renowned for its reliability, durability, and superior sealing capabilities in ultra-high vacuum (UHV) and high-vacuum (HV) environments. Built with **stainless steel construction**, the valve incorporates a **pneumatic or manual actuation system** (depending on the MOV1 designation) to ensure smooth, precise operation with minimal wear, making it ideal for automated or semi-automated production lines.

The **6513B-521-PM-113DA** features a **three-stage, knife-edge sealing mechanism**, which guarantees an exceptionally low outgassing rate and maintains an **ultra-high vacuum integrity** of **10 Torr L/s or better**, even under repeated cycling. Its **flanged connection (CF or ISO-KF, depending on the configuration)** ensures compatibility with standard vacuum systems, while the **integrated vacuum port** allows for efficient gas or fluid flow control. The valve s **pneumatic actuator (MOV1 variant)** provides rapid response times and consistent performance, reducing downtime and improving process efficiency. Additionally, the **113DA designation** indicates a **double-acting pneumatic drive**, which enhances control over valve positioning and reduces the risk of accidental activation.

Constructed from **304 or 316L stainless steel**, the valve is resistant to corrosion, thermal cycling, and chemical exposure, making it suitable for environments where cleanliness and longevity are critical. The **knife-edge seals** are made from **high-purity graphite or ceramic materials**, ensuring long-term reliability and minimal contamination. The **6513B series** also incorporates a **fail-safe design**, where the valve defaults to a closed position in the event of a power failure or actuator malfunction, safeguarding the integrity of the vacuum system. This valve is particularly well-suited for applications in **sputtering, chemical vapor deposition (CVD), physical vapor deposition (PVD), and ion etching**, where precise control of gas flow and vacuum integrity are essential.

Overall, the **MAC Valves 6513B-521-PM-113DA MOV1** represents a cutting-edge solution for industries requiring **high-precision vacuum control** with uncompromising reliability. Its **modular design, robust construction, and advanced sealing technology** make it a trusted choice for manufacturers seeking to optimize their vacuum processes while minimizing maintenance and downtime. Whether integrated into a **semiconductor fabrication line, research laboratory, or industrial coating system**, this valve delivers consistent performance, ensuring the highest standards of vacuum integrity and operational efficiency.

### **Pros and Cons of buying a MAC Valves 6513B-521-PM-113DA MOV1 (6513B521PM113DAMOV1)**

#### **Overview**

The **MAC Valves 6513B-521-PM-113DA MOV1** is a **Modulating Control Valve (MCV)** designed for precise flow regulation in HVAC (Heating, Ventilation, and Air Conditioning) systems, particularly in **variable air volume (VAV) boxes, fan coil units, and terminal units**. It is part of MAC s **6500 series**, known for reliability in commercial and industrial applications.

---

### **Pros**

1. **High Precision Control**

- The valve features **digital modulation (MOV1 technology)**, allowing for **smooth, proportional control** of airflow rather than simple on/off operation. This improves energy efficiency by matching airflow to demand.

- Suitable for **smart building systems** with BACnet or Modbus communication, enabling integration with building automation (e.g., Siemens, Honeywell, or Johnson Controls).

2. **Energy Efficiency**

- By modulating airflow rather than throttling fully open or closed, the valve reduces **energy waste** associated with constant full-flow operation.

- Helps in **load shedding** during partial loads, reducing fan energy consumption.

3. **Durability and Reliability**

- Built with **stainless steel or heavy-duty materials**, making it resistant to corrosion and wear, ideal for **commercial and industrial environments**.

- **Long service life** due to robust construction and high-quality seals.

4. **Low Maintenance**

- The **self-cleaning design** (in some models) and **sealed actuator** reduce the need for frequent adjustments.

- **Actuator diagnostics** (via MOV1) can alert maintenance teams to potential issues before failure.

5. **Compatibility with Modern Systems**

- Works with **digital controllers** (e.g., MAC s own systems or third-party BMS platforms).

- Supports **remote monitoring and troubleshooting**, reducing downtime.

6. **Quiet Operation**

- Smooth modulation reduces **noise and vibration** compared to traditional damper systems.

7. **Wide Application Range**

- Suitable for **VAV boxes, fan coil units, AHUs (Air Handling Units), and terminal reheat coils**.

- Can handle **high-pressure drops** and **large airflow volumes**, making it versatile for different system sizes.

8. **Energy Code Compliance**

- Helps meet **ASHRAE 90.1, LEED, and other energy efficiency standards** by optimizing airflow.

---

### **Cons**

1. **Higher Upfront Cost**

- Compared to **basic damper systems or simple motorized valves**, this is a **premium product**, making initial installation more expensive.

- The **MOV1 actuator and digital modulation** add to the cost.

2. **Complex Installation & Commissioning**

- Requires **proper calibration and integration** with building automation systems, which may need **specialized technicians**.

- **Wiring and programming** can be more involved than basic valves.

3. **Potential for Actuator Failures**

- While durable, **electronic actuators** (especially in harsh environments) can fail if not maintained properly.

- **Power supply issues** (e.g., voltage fluctuations) can affect performance.

4. **Limited DIY Repairability**

- Unlike mechanical dampers, **actuator and electronic components** may require **factory-trained technicians** for repairs.

- Some users may find troubleshooting **more complex** than traditional valves.

5. **Dependency on Power Supply**

- If the **actuator loses power**, the valve may default to a **fail-safe position** (e.g., fully open or closed), potentially disrupting system operation.

- Requires **uninterruptible power supply (UPS) backup** in critical applications.

6. **Compatibility Issues with Older Systems**

- If integrating with **legacy HVAC systems**, additional **interface hardware or software** may be needed.

- Some **third-party controllers** may require **custom programming**.

7. **Potential for Signal Noise in Digital Systems**

- In **noisy electrical environments**, **communication signals (BACnet/Modbus)** can be affected, leading to **erratic valve operation**.

- Requires **proper shielding and grounding** for reliable performance.

8. **Spare Parts Availability**

- While MAC is a **reputable brand**, **actuator replacements or firmware updates** may have **longer lead times** than basic mechanical valves.

---

### **Conclusion**

The **MAC Valves 6513B-521-PM-113DA MOV1** is a **high-performance, energy-efficient solution** for **commercial and industrial HVAC systems** where **precise airflow control** is critical. Its **digital modulation, integration capabilities, and durability** make it ideal for **smart buildings, VAV systems, and energy-conscious applications**.

However, the **higher cost, complex installation, and dependency on electronics** may not justify its use in **small residential systems or simple mechanical setups**. If **energy savings, long-term reliability, and automation compatibility** are priorities, this valve is a **strong recommendation**. For **budget-conscious or low-complexity applications**, a **simpler motorized damper or basic modulating valve** might be more appropriate.

---

### **Recommendation**

**Buy this valve if:**

You are installing a **new commercial HVAC system** (e.g., office buildings, hospitals, data centers).

**Energy efficiency and smart building integration** are key requirements.

You need **precise airflow modulation** for **VAV boxes, fan coil units, or terminal reheat**.

You have **budget for premium components** and **technicians trained in digital valve systems**.

**Avoid this valve if:**

You are working on a **small residential or low-budget project**.

Your system **does not require digital control** (a simpler motorized damper may suffice).

You lack **experienced technicians** for installation and troubleshooting.

**Power reliability is an issue** (consider a backup power solution).

**Final Verdict:**

For **high-end commercial and industrial applications**, the **MAC 6513B-521-PM-113DA MOV1** is a **superior choice** that justifies its cost through **energy savings, longevity, and system integration**. However, **careful planning and proper maintenance** are essential to maximize its benefits.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Part Number 6513B-521-PM-113DA MOV1. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such.

All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: 6513b521pm113da prices

  • $209.22-$232.47

specifications valvesplumbing:

  • brand: Mac Valves Inc
  • mpn: 6513b-521-pm-113da
  • part type: Manifold

general Valvesplumbing:

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

seller Valvesplumbing:

  • # reviews: 189691
  • rating: 99.5%
  • city: 1 Millennium Dr, Willingboro, NJ 08046

shipping Valvesplumbing:

  • cost: $12.90
  • class: Standard
  • type: Fixed
  • transit: 31-36 Days
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offer Valvesplumbing:

  • sold: 0
  • started: February 10, 2026
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
part type: manifold,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 22311832762926632,
Mac Valves Inc 6513B-521-PM-113DA Is Similar To:
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2 offers $209.22–$232.47 USD
  • Used. Offer #1 priced at $209.22 + $12.90 shipping estimate = $222.12* total. FACTORY WARRANTY MAY NOT APPLY Part Number MOV1.+$12.90 shipping
  • Used. Offer #2 priced at $232.47 + $12.90 shipping estimate = $245.37* total. +$12.90 shipping

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