ASHCROFT 451379SS02L300 Duragauge Water Pressure Gauge 600 4-1/2 Dia.

( Brand: Ashcroft ), ( Manufacturer Part Number: 451379SS02L300 ), ( Part Type: Pressure Gauge ), ( Maximum Pressure: 300 Psi )

Review ASHCROFT 600 Duragauge Pressure Gauge 4-1/2 Inch Dia. Psi Range

The **Ashcroft 451379SS02L300 600 Duragauge Pressure Gauge (4-1/2")** is a premium, high-performance instrument designed for precision measurement in demanding industrial, commercial, and mechanical applications. Crafted with durability and accuracy in mind, this stainless steel pressure gauge combines robust construction with a reliable Bourdon tube mechanism to deliver consistent, repeatable readings across a wide range of environments. The **4-1/2" dial face** provides ample visibility, ensuring operators can quickly and easily monitor pressure levels without straining to read the display. Engineered with **316 stainless steel** throughout, this gauge resists corrosion, extreme temperatures, and harsh chemicals, making it ideal for use in food processing plants, pharmaceutical facilities, HVAC systems, hydraulic applications, and other settings where hygiene and longevity are critical. The **0-600 psi (0-41.4 bar) range** accommodates medium to high-pressure systems, while the **0-300 psi (0-20.7 bar) secondary scale** offers added flexibility for applications requiring dual-range monitoring. The gauge s **Duragauge** technology ensures long-term reliability, with a sealed, dust-proof, and moisture-resistant construction that protects internal components from contamination. Featuring a **black dial with white numerals and graduations**, the gauge provides high contrast for clear visibility, even in low-light conditions. The **brass case and stainless steel mounting flange** enhance structural integrity, while the **NPT (National Pipe Thread) female connection** ensures secure and leak-free installation. Whether integrated into a critical process control system or used for manual monitoring, this Ashcroft gauge delivers exceptional performance, precision, and resilience, making it a trusted choice for professionals who demand both accuracy and endurance in their instrumentation.

### **Pros and Cons of buying a Ashcroft 451379SS02L300 600 Duragauge Pressure Gauge (4-1/2")**

1. **High Durability and Stainless Steel Construction** The gauge is made with stainless steel components, making it resistant to corrosion, rust, and harsh environmental conditions. This ensures longevity, especially in industrial or outdoor applications.

2. **Accurate and Reliable Readings** Ashcroft is a well-known brand in precision instrumentation, and this gauge is designed for high accuracy within its specified range (0-600 psi). It is suitable for applications requiring precise pressure monitoring.

3. **Duragauge Protection** The Duragauge feature provides an extra layer of protection against mechanical damage, such as impacts or vibrations, which helps prevent gauge failure over time.

4. **Wide Range of Applications** The 0-600 psi range makes it versatile for use in HVAC systems, industrial machinery, automotive diagnostics, and other low-to-medium pressure applications.

5. **Easy Installation and Maintenance** Standard 4-1/2" mounting size allows for easy integration into existing systems. The gauge is also designed for straightforward calibration and replacement if needed.

6. **Corrosion Resistance** The stainless steel housing and internal components make it ideal for use in wet or corrosive environments, such as marine, chemical processing, or outdoor installations.

7. **Good Visibility** The large 4-1/2" dial ensures clear and easy-to-read pressure indications, reducing the risk of misinterpretation.

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1. **Higher Upfront Cost** Compared to basic pressure gauges, this Ashcroft model is more expensive due to its stainless steel construction and Duragauge protection. This may not be cost-effective for low-budget or one-time-use applications.

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 and cheaper gauge may suffice. The 600 psi range offers more precision than necessary in some cases.

3. **Limited Customization** Unlike some gauges that allow for different scales or mounting styles, this model has a fixed 0-600 psi range and standard mounting. If specific customization is required, additional costs may apply.

4. **Potential for Overuse in Simple Systems** For basic residential or light commercial use (e.g., home HVAC or car tires), a less expensive gauge may provide adequate performance without the extra durability features.

5. **Maintenance Requirements** While durable, stainless steel gauges may require occasional cleaning or recalibration to maintain accuracy, especially in dusty or dirty environments.

6. **Weight and Bulk** The stainless steel construction makes the gauge heavier and slightly bulkier than aluminum or plastic alternatives, which may be a consideration in space-constrained applications.

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The **Ashcroft 451379SS02L300 600 psi Duragauge pressure gauge** is an excellent choice for applications requiring **high durability, corrosion resistance, and accurate pressure readings** in demanding environments. Its stainless steel construction and Duragauge protection make it ideal for **industrial, automotive, HVAC, or outdoor use** where reliability is critical.

However, if the application is **low-pressure, cost-sensitive, or non-industrial**, a more affordable gauge may be sufficient. The trade-off between **cost and performance** depends on the specific needs of the user.

- You need a **long-lasting, corrosion-resistant** gauge for **industrial, automotive, or harsh-environment applications**.

- Accuracy and durability are **priority over cost**.

- You require a **standard 4-1/2" gauge** with a **0-600 psi range**.

- You are working with **low-pressure systems** (e.g., below 100 psi) and need a **budget-friendly option**.

- The application is **non-industrial** (e.g., home use), and a simpler gauge will suffice.

- You require **custom scales or non-standard mounting**, which may not be supported by this model.

For most **industrial, automotive, or professional settings**, this Ashcroft gauge is a **strong, reliable investment** worth the higher cost. For casual or low-demand uses, a cheaper gauge may be a better fit.

Details:

Ashcroft 600 Duragauge Pressure Gauge 4-1/2 Dia. 600 PSI Range 1 Item has a small dent. Review last photo.

part #: 451379ss02l300 prices

• $38.25-$259.20

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 451379ss02l300
• part type: Pressure Gauge
• maximum pressure: 300 Psi

shipping pressureswitchiz:

• type: Fixed
• transit: 2-5 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• cost: $10.00

general pressureswitchiz:

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

seller pressureswitchiz:

• rating: 99.4%
• # reviews: 6130
• city: Brownsville, Texas

returns pressureswitchiz:

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

offer pressureswitchiz:

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

payments pressureswitchiz:

• credit card: Diners-club
• other
• wallet: Paypal

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