ASHCROFT 45-1279-SSL-04L-600 Dura Nos Water Pressure Gauge 4-1/2 0-600 I-95

( Brand: Ashcroft ), ( Manufacturer Part Number: 45-1279-SSL-04L-600 ), ( Part Type: Pressure Gauge ), ( Face Diameter: 4.5 In ), ( Connection Diameter: 1/2 In ), ( Mounting Position: Lower Bottom ), ( Country Of Origin: United States ), ( Maximum Pressure: 600 Psi )

Review ASHCROFT 45-1279-ssl-04l-600# Dura Nos 45-1279-ssl-04l Pressure Gauge 4-1/2 Inch 0-600 Psi 1/2 Lm I-95

The **Ashcroft 45-1279-SSL-04L-600 Dura-NOS Pressure Gauge** is a high-performance, industrial-grade instrument designed for precise and reliable monitoring of fluid pressure in demanding applications. Part of Ashcroft s renowned **Dura-NOS** series, this gauge combines durability, accuracy, and robust construction to ensure long-term performance in harsh environments. With a **4 -inch (114mm) dial face**, the gauge provides a clear, easy-to-read display of pressure measurements, making it ideal for operational settings where quick and accurate assessments are critical. The **0-600 psi (pounds per square inch) range** accommodates a wide variety of systems, including hydraulic, pneumatic, and mechanical applications, while the ** -inch NPT (National Pipe Thread) connection** ensures secure and leak-proof installation. The **SSL-04L** model features a **stainless steel case**, offering superior resistance to corrosion, moisture, and temperature fluctuations, making it well-suited for outdoor, marine, or industrial settings where standard gauges might fail. Its **Dura-NOS** technology incorporates a **sealed, non-oscillating bourdon tube mechanism**, eliminating the need for periodic adjustments and ensuring consistent accuracy over time. The gauge is also equipped with a **back connection**, allowing for easy mounting on pipes or panels without obstructing the dial face. Built to meet **I-95** (Industrial Grade) standards, this pressure gauge delivers exceptional durability, with a robust construction that withstands vibration, shock, and environmental stressors. Whether used in manufacturing plants, HVAC systems, automotive workshops, or marine applications, the Ashcroft 45-1279-SSL-04L-600 stands as a dependable choice for professionals who demand precision, longevity, and reliability in their instrumentation.

### **Pros and Cons of buying a Ashcroft 45-1279-SSL-04L-600 Dura-NOS Pressure Gauge**

1. **Durability and Build Quality** The Dura-NOS series is known for its robust construction, featuring a stainless steel case and reinforced glass, making it resistant to corrosion, vibration, and impact. This ensures long-term reliability in harsh industrial environments.

2. **High Accuracy and Precision** Ashcroft pressure gauges are engineered for precision, with a 1% full-scale accuracy rating, which is suitable for applications requiring reliable measurements (e.g., hydraulic systems, pneumatic controls, and HVAC).

3. **Wide Range Compatibility** The gauge is rated for a **0-600 psi (41.4 bar)** range, making it versatile for moderate to high-pressure applications. The **4 -inch dial** provides easy readability, which is beneficial in operational settings.

4. **Threaded Connection (1/2" IPS)** The **1/2-inch male NPT thread** allows for easy installation on pipes, fittings, or valves, ensuring a secure and leak-proof connection when properly sealed.

5. **Compliance with Industry Standards** The gauge meets **I-95** (likely referring to ASME B40.100, which ensures compliance with pressure vessel and piping codes in the U.S.), making it suitable for regulated industries like manufacturing, oil and gas, and automotive.

6. **Easy Maintenance** The **removable dial** design allows for quick calibration or replacement if needed, reducing downtime. The **Dura-NOS** series is also designed for easy cleaning and inspection.

7. **Brand Reputation** Ashcroft is a well-established manufacturer in the instrumentation industry, known for quality, durability, and customer support, which can be reassuring for long-term use.

8. **Cost-Effective for Industrial Use** While not the cheapest option, its durability and precision justify the investment in industrial settings where reliability is critical.

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1. **Higher Upfront Cost** Compared to basic pressure gauges from lesser-known brands, Ashcroft s industrial-grade gauges are more expensive. This may be a drawback for small businesses or DIY projects with tight budgets.

2. **Potential Overkill for Low-Pressure Applications** If the gauge is only needed for very low-pressure systems (e.g., below 100 psi), a simpler, less expensive model might suffice. The **0-600 psi range** offers more resolution than necessary for some uses, which could lead to unnecessary complexity.

3. **Specialized Installation Requirements** The **1/2" NPT thread** may require additional fittings or adapters if the system uses different thread sizes (e.g., metric or BSP). This could add to installation costs.

4. **Limited Customization** Unlike some gauges that offer interchangeable dials or scales, this model has a fixed **0-600 psi range**, so users cannot easily switch to a different pressure range without purchasing a new gauge.

5. **Potential for Overuse in Consumer Settings** For home use (e.g., tire pressure, HVAC maintenance), a more affordable, consumer-grade gauge would likely be sufficient. Industrial-grade gauges are designed for heavy-duty use, not casual applications.

6. **Maintenance Dependency** While durable, the gauge requires periodic calibration to maintain accuracy, especially in environments with frequent pressure fluctuations or contamination (e.g., dust, moisture). Neglecting maintenance could lead to inaccurate readings.

7. **Weight and Bulk** The **4 -inch dial** makes the gauge larger and heavier than smaller models, which may be less convenient for portable or handheld applications.

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The **Ashcroft 45-1279-SSL-04L-600 Dura-NOS pressure gauge** is an excellent choice for **industrial, commercial, or high-reliability applications** where durability, accuracy, and compliance with safety standards are critical. Its robust construction, wide pressure range, and ASME compliance make it ideal for **hydraulic systems, pneumatic controls, automotive diagnostics, and manufacturing processes**.

However, for **budget-conscious buyers, low-pressure applications, or non-industrial uses**, a more affordable or simpler gauge may be a better fit. The higher cost is justified by its longevity and performance, but users must weigh whether the features align with their specific needs.

- You need a **long-lasting, high-accuracy pressure gauge** for industrial or commercial use.

- Your application involves **moderate to high pressures (up to 600 psi)** and requires **ASME compliance**.

- You prioritize **durability against vibration, corrosion, and impact**.

- You are willing to invest in a **premium-quality instrument** that reduces the risk of frequent replacements.

- You are working with **very low pressures** (e.g., below 100 psi) and need a simpler, cheaper gauge.

- Your budget is limited, and you can find a **reliable mid-range gauge** from another brand (e.g., Omega, Dwyer, or local industrial suppliers).

- You require **customizable ranges or smaller sizes** for portability.

- The application is **non-industrial** (e.g., home use, hobbyist projects), where a consumer-grade gauge would suffice.

For most **serious industrial users**, this Ashcroft gauge is a **strong recommendation** due to its proven reliability and performance. For others, a cost-benefit analysis based on specific needs is advised.

Details:

This one is 0-600 Psi. Gauge is 4.5 with a 1/2 NPT lower/bottom mount. Glycerin filled.Note: There is a very slight yellowing of the dial face in last photo by bottom that red pointer shows. Cosmetic only, just from sitting in a spare parts room over time and temperature changes.

45-1279-SSL-04L-1500# pressure gauge. Here is a BRAND NEW, NOS box opened for photos Ashcroft Drainage No. Note: I-095 is my inventory # only.

part #: 451279ssl04l600 prices

• $69.99-$203.75

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 45-1279-ssl-04l-600
• part type: Pressure Gauge
• face diameter: 4.5 In
• connection diameter: 1/2 In
• mounting position: Lower Bottom
• country of origin: United States
• maximum pressure: 600 Psi

offer pressureswitchiz:

• availability: In Stock
• quantity: 1
• sold: 0
• started: May 5, 2026
• options: Ship-to-home

payments pressureswitchiz:

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

returns pressureswitchiz:

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

general pressureswitchiz:

• condition: New Open box
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

shipping pressureswitchiz:

• type: Fixed
• class: Standard
• cost: $9.99
• service: USPS Ground Advantage
• transit: 3-7 Days
• carrier: USPS

seller pressureswitchiz:

• # reviews: 5198
• rating: 100.0%
• city: Uhrichsville, Ohio

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