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  3. ASHCROFT 9028-12

ASHCROFT 9028-12 Gauge Fluid Filled Unmp 0-30

9028-12 Ashcroft Gauge 0-30 Psi Fluid Filled Unmp

( Brand: Ashcroft ), ( Manufacturer Part Number: 9028-12 ), ( Part Type: Fluid Gauge )

Review ASHCROFT Gauge 0-30 Psi Fluid Filled Unmp

The **Ashcroft 9028 12-Gauge 0-30 psi Fluid-Filled Unmounted Pressure Gauge** is a precision-engineered instrument designed for reliable and accurate measurement of low to moderate pressure ranges in industrial, commercial, and mechanical applications. Crafted with durability and performance in mind, this gauge features a robust **12-gauge brass construction**, ensuring resistance to corrosion and mechanical stress while maintaining a sleek, professional appearance. The **fluid-filled system** eliminates the need for external tubing or hoses, reducing the risk of leaks, freezing, and air bubbles that can compromise accuracy in fluctuating temperature environments. This design also dampens pressure surges, providing smoother, more stable readings ideal for applications where rapid pressure changes could otherwise cause gauge damage or inaccurate measurements.

The gauge s **0-30 psi range** makes it perfectly suited for monitoring systems such as HVAC units, compressed air lines, hydraulic systems, and low-pressure pneumatic applications where precise control is essential. The **unmounted model** offers versatility, allowing for easy installation in custom panels, control cabinets, or direct mounting on equipment where space or design constraints require a non-standard fit. The **front-mounted dial** features a **clear, high-contrast scale** with bold numbering and indexing, ensuring easy visibility even in low-light conditions. The **aluminum alloy case** provides additional protection against impacts and environmental factors, while the **sealed glass window** maintains accuracy by preventing contamination from dust, moisture, or debris.

Built to meet rigorous industry standards, the Ashcroft 9028 incorporates **precision-bored bourdon tubes** for exceptional repeatability and long-term stability, minimizing drift over time. The gauge s **flanged connection** (with a standard 1-inch NPT thread) ensures a secure, leak-proof seal when properly installed, while the **fluid-filled mechanism** reduces wear on internal components, extending the gauge s operational lifespan. Whether used in industrial automation, laboratory settings, or commercial machinery, this gauge delivers consistent performance with minimal maintenance, making it a dependable choice for professionals who demand reliability in pressure measurement. Its compact yet sturdy design further enhances its suitability for applications where space efficiency is a priority without compromising on accuracy or durability.

The Ashcroft 9028-12 gauge is a mechanical pressure gauge designed for general industrial applications, including monitoring hydraulic, pneumatic, and other fluid systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Ashcroft 9028-12 Gauge**

1. **Reliability and Durability**

The Ashcroft brand is well-regarded for producing high-quality, long-lasting pressure gauges. This model is built with robust materials, including a sturdy case and a durable bourdon tube, which ensures it can withstand harsh industrial environments. The fluid-filled design helps dampen vibrations and shocks, reducing wear and tear over time.

2. **Fluid-Filled Design**

The gauge is filled with a damping fluid (typically silicone or glycerin), which smooths out fluctuations in pressure readings. This is particularly useful in applications with pulsating or turbulent flow, where a dry gauge might show erratic readings. The fluid also helps protect internal components from corrosion and contamination.

3. **Wide Range and Accuracy**

The 0-30 psi (pounds per square inch) range is suitable for low-pressure applications, such as HVAC systems, compressed air lines, or light hydraulic setups. The gauge is calibrated for accuracy within its specified range, providing consistent and reliable measurements. Ashcroft gauges are known for their precision, which is critical in applications where slight pressure variations can affect performance.

4. **Easy Installation and Maintenance**

The gauge features standard NPT (National Pipe Thread) connections, making it compatible with most industrial piping systems. It is designed for easy mounting on panels or directly onto pipes. Maintenance is straightforward regular calibration and occasional fluid top-ups (if the fluid degrades) are typically the only upkeep required.

5. **Corrosion Resistance**

The case and internal components are often made from stainless steel or other corrosion-resistant materials, which is beneficial in environments exposed to moisture, chemicals, or temperature fluctuations. This extends the gauge s lifespan and reduces the risk of inaccurate readings due to internal damage.

6. **Standardized Design**

As a widely used model, the Ashcroft 9028-12 is easy to source, with spare parts and replacements readily available. This standardization also means it is often compatible with existing systems or can be integrated into new setups without compatibility issues.

7. **Visual Clarity**

The gauge features a clear, easy-to-read dial with large, bold markings. The fluid-filled design reduces needle oscillation, making it simpler for operators to take accurate readings quickly.

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### **Cons of the Ashcroft 9028-12 Gauge**

1. **Limited Pressure Range**

The 0-30 psi range is suitable for low-pressure applications but may be insufficient for higher-pressure systems. If the pressure exceeds the gauge s maximum rating, it can lead to damage or inaccurate readings. For applications requiring higher pressures, a different gauge (e.g., 0-100 psi or higher) would be necessary.

2. **Potential for Fluid Leakage**

Over time, the sealing gaskets or the gauge s fill tube may degrade, leading to fluid leakage. While this is common in fluid-filled gauges, it can cause the gauge to become dry, leading to erratic readings or damage. Regular inspections are required to address this issue.

3. **Sensitivity to Temperature Fluctuations**

The damping fluid can expand or contract with temperature changes, potentially affecting the gauge s accuracy. While Ashcroft gauges are designed to handle moderate temperature variations, extreme conditions (e.g., high heat or cold) may require additional protection or a different gauge model.

4. **Cost**

Compared to basic dry gauges, fluid-filled gauges like the Ashcroft 9028-12 are generally more expensive. However, the added durability and accuracy often justify the cost for applications where stability is critical.

5. **Limited Customization**

This gauge is a standard model with fixed specifications (e.g., range, connection type). If you require non-standard features (e.g., special mounting, additional ports, or unique dial markings), you may need to source a custom gauge or modify the installation.

6. **Potential for Condensation or Moisture Buildup**

In humid environments, condensation can form inside the gauge, leading to corrosion or inaccurate readings. While the fluid helps mitigate this, it is not entirely preventable. Proper ventilation or additional protective measures may be needed in high-humidity settings.

7. **Replacement Parts Dependency**

Since Ashcroft is a well-established brand, replacement parts (e.g., bourdon tubes, seals) are widely available. However, if the gauge is discontinued or parts become scarce, sourcing replacements could become difficult, potentially leading to downtime.

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### **Conclusion**

The Ashcroft 9028-12 gauge is an excellent choice for applications requiring reliable, accurate, and stable pressure monitoring in low-pressure systems (up to 30 psi). Its fluid-filled design reduces vibration effects and extends the gauge s lifespan, making it ideal for environments with pulsating or turbulent flow. The gauge s durability, corrosion resistance, and ease of installation further enhance its appeal for industrial use.

However, its limitations such as the narrow pressure range, potential for fluid leakage, and sensitivity to temperature must be considered. If your application involves higher pressures, extreme temperatures, or requires frequent calibration, you may need to evaluate alternative models or supplementary protective measures.

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### **Recommendation**

**Buy the Ashcroft 9028-12 gauge if:**

- You are monitoring low-pressure systems (up to 30 psi) where stability and accuracy are critical (e.g., HVAC, compressed air, light hydraulic systems).

- Your environment involves vibrations or pulsating flow, as the fluid-filled design will provide smoother readings.

- You prioritize reliability and longevity, as Ashcroft s reputation for quality ensures long-term performance with minimal maintenance.

- You can regularly inspect and maintain the gauge to address potential fluid leakage or condensation issues.

**Consider alternatives if:**

- Your system requires pressures higher than 30 psi. In this case, opt for a gauge with a broader range (e.g., 0-100 psi or higher).

- Your environment is subject to extreme temperatures or high humidity, which may necessitate additional protective measures (e.g., enclosures, temperature-compensated gauges).

- You need a gauge with non-standard features (e.g., remote sensing, special mounting) that this model does not offer.

- Budget constraints are a significant factor, as fluid-filled gauges are more expensive than basic dry gauges. In this case, evaluate whether the added benefits justify the cost.

For most standard low-pressure applications where reliability and accuracy are paramount, the Ashcroft 9028-12 gauge is a strong and practical choice. Pair it with regular maintenance and appropriate environmental controls to maximize its performance.

Details:

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part #: 902812 prices

  • $15.00-$18.00

specifications pressureswitchiz:

  • brand: Ashcroft
  • mpn: 9028-12
  • part type: Fluid Gauge

shipping pressureswitchiz:

  • carrier: USPS
  • type: Fixed
  • transit: 4-9 Days
  • class: Standard
  • service: USPS First Class
  • cost: $0.00

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general pressureswitchiz:

  • Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges
  • condition: Used

offer pressureswitchiz:

  • availability: In Stock
  • options: Ship-to-home
  • started: March 14, 2026
  • sold: 0
  • quantity: 1

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  • city: Knoxville, Tennessee
  • rating: 99.8%
  • # reviews: 22487

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  • method: Money back
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  • time: 30 Days
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part type: fluid gauge,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 17753545580169771,
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