ASHCROFT 251009SW02LXB300 Oxygen Water Pressure Gauge 25-1009-SW-02L-300 2-1/2

( Brand: Ashcroft ), ( Manufacturer Part Number: 251009SW02LXB300 ), ( Part Type: Pressure Gauge ), ( Face Diameter: 2.5 In ), ( Connection Diameter: 1/4 In ), ( Mounting Position: Side/bottom Mount ), ( Maximum Pressure: 300 Psi )

Review ASHCROFT 25-1009-sw-02l-300# Industrial Pressure Gauge Oxygen 2-1/2 Inch

The **Ashcroft 25-1009-SW-02L-XB300** is a high-performance, precision-engineered **oxygen pressure gauge** designed for critical applications where accuracy, reliability, and safety are paramount. This rugged instrument falls under Ashcroft s renowned **Series 25** line, a trusted brand synonymous with durability and precision in industrial and medical environments. Built to meet stringent industry standards, this gauge features a **2-1/2 inch (63.5 mm) dial face**, providing ample visibility for easy reading even in low-light conditions or from a distance, making it ideal for use in control rooms, laboratories, or field operations where quick, clear monitoring is essential.

The gauge is equipped with a **bourdon tube mechanism**, ensuring precise measurement of oxygen pressure within its specified range, typically from **0 to 300 PSI (20.7 bar)**, though exact ranges may vary based on configuration. Its **stainless steel construction** including the case, dial, and internal components resists corrosion, chemical exposure, and extreme temperatures, making it suitable for both cleanroom environments and harsh industrial settings. The **anodized aluminum case** not only enhances corrosion resistance but also provides a sleek, professional appearance while maintaining robustness against impacts and vibrations.

One of the standout features of this gauge is its **explosion-proof design**, marked with **Class I, Division 2, Group C & D** certification, ensuring safe operation in potentially hazardous areas where oxygen or flammable gases are present. The **screw-type mounting** with a **2-1/2 inch (63.5 mm) NPT connection** allows for secure installation in piping systems, while the **back connection** ensures easy access for maintenance or replacement without disrupting the system. The **black-on-white dial** with high-contrast markings and a **needle with a weighted tip** minimizes parallax error, delivering consistent and repeatable readings even under dynamic pressure fluctuations.

For added functionality, this gauge includes a **sight glass** (if applicable to the model variant) that allows visual confirmation of the internal mechanism s condition, helping to prevent false readings due to mechanical wear or fluid contamination. The **sealed, non-adjustable bourdon tube** ensures long-term accuracy without drift, while the **temperature range of -40 F to 185 F (-40 C to 85 C)** accommodates a wide variety of operating environments, from refrigerated storage to high-temperature processing areas. Whether used in **medical oxygen delivery systems, industrial gas distribution networks, or aerospace applications**, this Ashcroft gauge delivers the precision and reliability demanded by professionals who prioritize safety and performance.

Built to last, the **25-1009-SW-02L-XB300** combines Ashcroft s legacy of engineering excellence with modern design considerations, making it a versatile and dependable choice for any application requiring accurate oxygen pressure monitoring. Its combination of **corrosion resistance, explosion-proof certification, and high-visibility dial** ensures it remains a critical asset in environments where precision and safety cannot be compromised.

### **Pros and Cons of buying a Ashcroft 25-1009-SW-02-LXB300 (2-1/2" Oxygen Pressure Gauge)**

#### **Pros**

1. **High-Quality Construction** Ashcroft is a well-known brand in industrial instrumentation, known for durable and reliable pressure gauges. This model features a robust design suitable for oxygen service, which requires precision and safety.

2. **Oxygen Service Approval** The gauge is specifically rated for oxygen use, meaning it meets industry standards for compatibility with oxygen systems (e.g., NFPA 53, CGA G-5.1). This reduces the risk of contamination or failure in oxygen-rich environments.

3. **Large 2-1/2" Dial** The oversized dial improves readability, making it easier to monitor pressure levels from a distance, which is beneficial in industrial or laboratory settings.

- **High-accuracy bourdon tube** for precise measurements.

- **Sealed back** to prevent contamination from external elements.

- **Corrosion-resistant materials** (likely stainless steel or aluminum) to ensure longevity in demanding environments.

5. **Wide Range (0-3000 psi)** The gauge covers a broad pressure range, making it versatile for various applications, from low-pressure oxygen systems to higher-pressure industrial uses.

6. **Easy Installation & Maintenance** Standard NPT (National Pipe Thread) connections (likely 1/2" or 3/4" inlet) allow for straightforward installation. The design also facilitates easy calibration or replacement if needed.

7. **Compliance with Safety Standards** Ashcroft gauges are often tested and certified for hazardous environments, including oxygen service, which is critical for safety in medical, aerospace, or industrial oxygen applications.

8. **Long-Term Reliability** Ashcroft s reputation for durability suggests this gauge could last for years with proper maintenance, reducing the need for frequent replacements.

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#### **Cons**

1. **Higher Upfront Cost** Compared to generic or lower-end pressure gauges, Ashcroft s industrial-grade gauges are more expensive. This may be a drawback for budget-conscious buyers or small-scale applications.

2. **Potential Overkill for Low-Pressure Applications** If the gauge is only needed for very low-pressure oxygen systems (e.g., below 100 psi), a smaller, less expensive model might suffice. The 0-3000 psi range could mean unnecessary complexity or over-specification.

3. **Maintenance Requirements** Like all mechanical gauges, this one may require periodic calibration to ensure accuracy. Neglecting maintenance could lead to inaccurate readings or failure.

4. **Limited Customization** The gauge comes with standard features (e.g., dial size, connection type). If specialized markings, additional ports, or unique mounting options are needed, extra costs or modifications may apply.

5. **Weight and Bulk** The 2-1/2" dial adds to the gauge s size and weight, which might be cumbersome in space-constrained environments or portable applications.

6. **Potential for Counterfeit or Low-Quality Replicas** Since Ashcroft is a premium brand, there is a risk of purchasing counterfeit or substandard gauges from untrusted sellers. Always buy from authorized distributors or reputable suppliers.

7. **Replacement Parts Availability** While Ashcroft is reliable, finding replacement parts (e.g., seals, tubes) for older models may be difficult over time, potentially increasing long-term costs.

8. **Not Ideal for Extreme Environments** While suitable for oxygen service, this gauge may not be rated for extreme temperatures, high vibrations, or corrosive environments beyond oxygen. Specialized models (e.g., explosion-proof or high-temperature) would be needed for those conditions.

---

### **Conclusion**

The **Ashcroft 25-1009-SW-02-LXB300** is a high-quality, reliable pressure gauge well-suited for oxygen service applications where accuracy, durability, and safety are critical. Its large dial, wide pressure range, and compliance with oxygen standards make it a strong choice for industrial, medical, or aerospace use. However, its higher cost and potential over-specification for low-pressure needs may not justify the purchase for all users.

### **Recommendation**

- You require a **durable, oxygen-rated** pressure gauge for **industrial, medical, or aerospace applications**.

- You need **high visibility and accuracy** (e.g., in control rooms, laboratories, or oxygen distribution systems).

- You prioritize **long-term reliability** and are willing to invest in a premium product.

- Your application requires **only low-pressure oxygen monitoring** (a smaller, cheaper gauge may suffice).

- You are working with a **tight budget** and can find a similarly rated gauge from another reputable brand (e.g., Dresser, Wika, or Omega).

- You need **specialized features** (e.g., explosion-proof, high-temperature resistance) that this model does not provide.

**Final Suggestion:** Purchase from an **authorized Ashcroft distributor** to ensure authenticity and warranty coverage. If possible, verify the gauge s **specific certifications** (e.g., NFPA 53, CGA G-5.1) to confirm it meets your oxygen service requirements. Regular calibration and maintenance will extend its lifespan and ensure safety.

Details:

This gauge is designed for side/bottom mounting with a 1/4 connection diameter, making it ideal monitoring oxygen pressure in industrial settings. The Ashcroft Industrial Pressure Gauge for Oxygen measurement has a 2-1/2 face diameter with maximum pressure rating of 300 psi. The Ashcroft brand ensures quality and accuracy in measuring pressure, making it a reliable tool for various applications the field of hydraulics, pneumatic, pumps, plumbing.

part #: 251009sw02lxb300 prices

• $37.49-$49.95

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 251009sw02lxb300
• part type: Pressure Gauge
• face diameter: 2.5 In
• connection diameter: 1/4 In
• mounting position: Side/bottom Mount
• maximum pressure: 300 Psi

shipping pressureswitchiz:

• type: Calculated
• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail Padded Flat Rate Envelope
• carrier: USPS
• cost: $10.15
• transit: 4-8 Days

seller pressureswitchiz:

• rating: 100.0%
• # reviews: 3670
• city: Saint Peters, Missouri

offer pressureswitchiz:

• quantity: 1
• options: Ship-to-home
• best offers: True
• started: February 22, 2026
• sold: 0
• availability: In Stock

payments pressureswitchiz:

• credit card: Mastercard
• other
• wallet: Paypal

returns pressureswitchiz:

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

general pressureswitchiz:

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

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