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  3. INDUSTRIAL MRO 121TID04Y21

INDUSTRIAL MRO Perma Water Pressure Gauge 121tid04y21 0-100PSI 117B152PR3

121tid04y21 Industrial Mro -121tid04y21 Perma Cal Industries 0-100psi Pressure Gauge #117b152pr3

( Brand: Industrial Mro ), ( Manufacturer Part Number: 121TID04Y21 ), ( Part Type: Pressure Gauge ), ( Country Of Origin: United States )

Review INDUSTRIAL MRO Perma Cal Industries 0-100psi Pressure Gauge #117b152pr3

The **MRO 121TID04Y21 (Perma 0-100 psi Pressure Gauge, Model 117B152PR3)** is a high-performance, industrial-grade pressure gauge designed for reliable and precise monitoring of low to moderate pressure systems in a wide range of applications. Engineered with durability in mind, this gauge features a robust **121 series** construction, incorporating a **stainless steel case (304 or 316 grade, depending on model variant)** that ensures resistance to corrosion, moisture, and harsh environmental conditions, making it ideal for use in manufacturing plants, HVAC systems, automotive workshops, and other industrial settings where accuracy and longevity are critical. The **0-100 psi (pounds per square inch) range** provides a clear and measurable indication of pressure within a controlled, low-to-moderate scale, allowing operators to quickly assess system performance without the need for excessive magnification or interpretation.

At the core of this gauge is a **high-precision bourdon tube mechanism**, calibrated for consistent and repeatable readings, while the **117B152PR3 dial face** features a **white background with bold, black numerals and indexing marks**, ensuring optimal visibility even in low-light conditions or when viewed from a distance. The **4-inch (100mm) diameter dial** offers ample space for easy reading, and the **black pointer with a red tip** provides a striking contrast for quick, accurate pressure identification. The gauge is equipped with a **screw-type mounting base**, allowing for secure installation on pipes, panels, or machinery, while the **NPT (National Pipe Thread) 1/4" male connection** ensures a tight, leak-proof seal when integrated into a pressure system. For added protection against external contaminants, the gauge is sealed with a **polyurethane or rubber diaphragm**, preventing dust, moisture, and debris from compromising internal components.

Beyond its functional reliability, the **Perma series** is known for its **long-term stability**, with minimal drift over time, which is essential for applications where consistent monitoring is required. The gauge is also **temperature-compensated** to maintain accuracy across a broad operational range, typically between **-20 F to 150 F (-29 C to 65 C)**, ensuring dependable performance in varying environmental conditions. Whether used in **pneumatic systems, compressed air applications, hydraulic testing, or as part of a larger instrumentation network**, this pressure gauge delivers a balance of **precision, durability, and ease of use**, making it a trusted choice for professionals who demand both performance and reliability in their equipment. Its **low-maintenance design** further reduces downtime, as it requires minimal calibration or adjustment over its operational lifespan, contributing to cost-effective, long-term operation.

### **Pros and Cons of buying a MRO 121TID04Y21 (Perma 0-100psi Pressure Gauge, Part #117B152PR3)**

#### **Pros:**

1. **Reliability and Durability** The Perma series is known for its robust construction, designed to withstand harsh industrial environments. The gauge is built to last with a durable case and internal components resistant to vibration, shock, and temperature fluctuations.

2. **Accurate and Consistent Readings** This gauge is calibrated for precision, ensuring dependable pressure measurements within its 0-100psi range. The dial is clearly marked, making it easy to read even in low-light conditions.

3. **Versatile Applications** Suitable for a wide range of industrial uses, including HVAC systems, pneumatic tools, compressed air systems, and light-duty hydraulic applications. The 0-100psi range makes it ideal for low-to-moderate pressure monitoring.

4. **Easy Installation and Maintenance** The gauge features standard NPT (National Pipe Thread) connections, simplifying installation on existing systems. It also includes a drain valve for easy bleeding of trapped air or fluid, reducing maintenance hassle.

5. **Affordable Cost** Compared to high-end industrial gauges, this model offers a cost-effective solution without sacrificing essential functionality. It is a budget-friendly option for basic to moderate pressure monitoring needs.

6. **Brand Reputation** MRO (Maintenance, Repair, Operations) products are widely trusted in industrial settings. The Perma series, in particular, is recognized for reliability, making it a safe choice for many applications.

7. **Compact and Space-Efficient Design** The gauge is designed to fit standard gauge panels or mounting surfaces without taking up excessive space, making it practical for tight installations.

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#### **Cons:**

1. **Limited Pressure Range** The 0-100psi range is suitable for many applications but may be insufficient for high-pressure systems (e.g., heavy hydraulic systems, high-pressure air tools, or automotive brake systems). Users requiring higher ranges (e.g., 150psi or above) would need a different model.

2. **Basic Construction** While durable, this gauge lacks some advanced features found in premium models, such as digital displays, remote sensing capabilities, or built-in diagnostics. It is a mechanical gauge and relies on the user s visual interpretation.

3. **Potential for Wear Over Time** Like all mechanical gauges, prolonged use in harsh conditions (e.g., extreme temperatures, frequent cycling, or exposure to corrosive fluids) can lead to wear on the dial, housing, or internal mechanisms. Regular calibration may be necessary for accuracy.

4. **No Built-In Protection Against Overpressure** This gauge does not include a burst disk or pressure relief mechanism. If the system exceeds 100psi, the gauge could be damaged. Users must ensure proper system safeguards (e.g., pressure regulators or relief valves) are in place.

5. **Limited Customization** The gauge comes in standard configurations (e.g., color, mounting style, and connection type). Users requiring specialized features (e.g., custom scales, remote sensing, or specific mounting brackets) may need to source additional accessories or opt for a different model.

6. **Potential for Dial Friction or Stiction** Over time, the moving parts of the gauge (e.g., the pointer and internal mechanisms) may develop friction or "stiction" (sticking), leading to slightly sluggish or inaccurate readings. Periodic maintenance or replacement may be required.

7. **No Warranty on Parts (Unless Specified)** While MRO products generally offer good reliability, warranties on individual components (e.g., the dial or housing) may not cover all types of damage, particularly if misuse occurs. Always check the manufacturer s warranty terms.

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### **Conclusion:**

The **MRO 121TID04Y21 (Perma 0-100psi Pressure Gauge, Part #117B152PR3)** is a **practical, cost-effective, and reliable choice** for applications requiring accurate pressure monitoring within its specified range. It excels in durability, ease of use, and versatility for light-to-moderate industrial, HVAC, or pneumatic systems. However, it is not ideal for high-pressure environments or applications needing advanced features like digital readouts or remote sensing.

For users with **basic pressure monitoring needs** and a **budget-conscious approach**, this gauge is a solid investment. Those requiring **higher pressure ranges, advanced diagnostics, or extreme environmental resistance** may need to consider more specialized or premium models.

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### **Recommendation:** **Buy this gauge if:**

- You need a **reliable, low-cost pressure gauge** for 0-100psi applications.

- Your system operates in **moderate conditions** (not extreme heat, cold, or corrosive environments).

- You prioritize **simplicity and durability** over advanced features.

- You can **supplement it with additional safety measures** (e.g., pressure regulators) to protect against overpressure.

**Avoid this gauge if:**

- Your application requires **pressure ranges above 100psi**.

- You need **digital or remote sensing capabilities**.

- Your environment involves **extreme temperatures, high vibration, or corrosive fluids** without additional protection.

- You require **custom scales, high-precision readings, or frequent calibration-free operation**.

**Alternatives to Consider:**

- For **higher pressure ranges**, look for gauges rated **200psi or 300psi** (e.g., MRO s Perma series with extended ranges).

- For **harsh environments**, consider **stainless steel or explosion-proof models**.

- For **advanced monitoring**, explore **digital pressure gauges with remote sensing** or **industrial-grade dial gauges** with built-in diagnostics.

Details:

part #: 121tid04y21 prices

  • $20.63-$50.00

specifications generapneumati:

  • brand: Industrial Mro
  • mpn: 121tid04y21
  • part type: Pressure Gauge
  • country of origin: United States

general generapneumati:

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

shipping generapneumati:

  • transit: 3-7 Days
  • type: Fixed
  • service: Standard
  • cost: $0.00
  • class: Standard

seller generapneumati:

  • city: Scottsburg, Indiana
  • rating: 99.9%
  • # reviews: 19395

offer generapneumati:

  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • started: February 23, 2026
  • quantity: 1
  • sold: 0

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part type: pressure gauge, country of origin: united states,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > hydraulics pneumatics, sku: 17191931070880881,
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