WIKA 9310746 Npt Bottom Mount Water Pressure Gauge 0-400 2.5 1/4
( Brand: Wika ), ( Manufacturer Part Number: 9310746 ), ( Part Type: Pressure Mount Gauge ), ( Face Diameter: 2.5 In ), ( Connection Diameter: 1/4 In ), ( Mounting Position: Side/bottom Mount ), ( Maximum Pressure: 400 Psi )
Review WIKA 0-400 Psi 2.5 Inch Brass Pressure Gauge 1/4 Npt Bottom Mount New
The **WIKA 9310746 0-400 psi (2.5 bar) Pressure Gauge with 1/4" NPT Bottom Mount** is a precision-engineered instrument designed to deliver reliable, accurate, and durable pressure measurement in a wide range of industrial, commercial, and mechanical applications. Part of WIKA s renowned **9310 series**, this gauge is built to meet stringent quality standards, ensuring consistent performance even in demanding environments where accuracy and robustness are critical. The **0-400 psi (0-2.5 bar) range** makes it ideal for low-to-moderate pressure systems, such as HVAC units, refrigeration circuits, pneumatic tools, hydraulic systems, and compressed air applications, where precise monitoring of fluid or gas pressure is essential for safety and efficiency.
Constructed from high-quality materials, the gauge features a **durable brass or stainless steel housing**, providing resistance to corrosion, vibration, and thermal fluctuations, which extends its operational lifespan. The **1/4" NPT bottom mount connection** allows for secure and leak-proof installation, ensuring a tight seal that minimizes the risk of pressure loss or contamination. This mounting style is particularly advantageous in applications where space is limited or where the gauge must be positioned in a way that optimizes readability while maintaining structural integrity. The **front-mounted dial** is clearly visible from a distance, with a **large, easy-to-read pointer and scale**, making it simple for operators to monitor pressure levels at a glance. The **black or white background with contrasting markings** enhances visibility, reducing the likelihood of misreading critical pressure values.
One of the standout features of this gauge is its **high-precision bourdon tube mechanism**, which ensures accurate and repeatable measurements with minimal hysteresis or drift over time. WIKA s proprietary design minimizes friction within the movement, contributing to long-term reliability and reducing the need for frequent recalibration. The gauge is also **factory-calibrated and certified**, often bearing a **WIKA calibration certificate** to guarantee traceability to national or international standards, such as ISO 9001 or OIML R40. This certification is particularly valuable in industries where compliance with regulatory standards is mandatory, such as food and beverage processing, pharmaceutical manufacturing, or automotive testing.
For added protection against environmental stressors, the **9310746 gauge is equipped with a robust glass window**, which is shatter-resistant and sealed to prevent dust, moisture, or contaminants from affecting the internal mechanism. The **metal case** further shields the gauge from physical damage, making it suitable for use in industrial settings where exposure to vibrations, temperature swings, or minor impacts may occur. Additionally, the gauge s **compact and streamlined design** allows for flexible integration into existing systems, whether mounted on a panel, pipe, or machinery, without compromising functionality.
In terms of safety, WIKA incorporates several fail-safe features into this pressure gauge. The **overload protection** mechanism prevents damage from sudden pressure spikes, while the **sealed movement** ensures that the internal components remain protected from external elements. The gauge also adheres to **ASME B40.100 standards**, ensuring compliance with pressure instrumentation regulations in the United States, and is often available with **explosion-proof or flameproof certifications** for use in hazardous environments, depending on the specific model variant. This makes it a versatile choice for applications ranging from standard mechanical systems to more specialized industrial processes.
Overall, the **WIKA 9310746 0-400 psi (2.5 bar) Pressure Gauge with 1/4" NPT Bottom Mount** represents a perfect blend of precision, durability, and ease of use. Whether deployed in a refrigeration system, a pneumatic control setup, or a hydraulic application, this gauge provides operators with the confidence of accurate pressure monitoring while contributing to the safety and efficiency of the entire system. Its combination of **high-quality materials, precise engineering, and robust construction** makes it a trusted choice for professionals who demand reliability in their instrumentation.
### **Pros and Cons of buying a WIKA 9310746 (0-400 psi, 2.5" Dial, 1/4 NPT Bottom Mount Pressure Gauge)**
#### **Pros**
1. **High Quality and Reliability** WIKA is a well-known manufacturer of precision instruments, known for durability and accuracy in industrial applications. This gauge is designed for long-term use in demanding environments.
2. **Wide Pressure Range (0-400 psi)** Suitable for applications requiring moderate to high-pressure monitoring, such as HVAC systems, hydraulic systems, and compressed air lines.
3. **Large 2.5" Dial** The oversized dial improves readability, making it easier to monitor pressure from a distance, which is beneficial in industrial or workshop settings.
4. **Bottom Mount (1/4 NPT Thread)** The bottom-mount design allows for easy installation in tight spaces or when mounting from below, reducing pipe strain and improving gauge accessibility.
5. **Accurate and Calibrated** WIKA gauges are factory-calibrated for precision, ensuring consistent and reliable readings.
6. **Durable Construction** Made with corrosion-resistant materials, it can withstand exposure to moisture, oil, and mild chemicals, making it suitable for many industrial applications.
7. **Compatibility with Various Systems** Works well with air, water, oil, and other non-corrosive fluids, depending on the internal mechanism (ensure the gauge is rated for the specific medium).
8. **Easy Installation** Standard 1/4 NPT threading makes it straightforward to install without requiring specialized tools.
9. **Long Warranty and Support** WIKA products often come with extended warranties, and the brand offers technical support for troubleshooting and replacements.
10. **Industrial-Grade Build** Designed to handle vibrations and temperature fluctuations, making it suitable for machinery and process control applications.
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#### **Cons**
1. **Higher Upfront Cost** Compared to generic or lower-quality gauges, WIKA products are more expensive, which may be a drawback for budget-conscious buyers.
2. **Potential Overkill for Low-Pressure Applications** If the application only requires occasional or low-pressure monitoring, a smaller or less expensive gauge might suffice.
3. **Limited Color Options** Most industrial gauges, including this one, come in standard colors (typically white or black dials), which may not match aesthetic preferences.
4. **Requires Proper Installation** Incorrect installation (e.g., improper sealing or over-tightening) can lead to leaks or inaccurate readings. Proper fitting is essential.
5. **Not for Extreme Conditions** While durable, it may not be suitable for highly corrosive environments (e.g., acidic or alkaline fluids) without additional protection.
6. **Calibration May Be Needed Over Time** Like all mechanical gauges, accuracy can drift with age or usage, requiring periodic recalibration for critical applications.
7. **Weight and Bulk** The larger 2.5" dial adds to the gauge s size and weight, which may be less convenient for portable or handheld use.
8. **Limited Customization** Unlike some specialized gauges, this model does not offer extensive customization options (e.g., different scales, mounting styles, or materials).
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### **Conclusion**
The **WIKA 9310746 (0-400 psi, 2.5" dial, 1/4 NPT bottom mount)** is a high-quality, reliable pressure gauge ideal for industrial, HVAC, or hydraulic applications where accuracy and durability are critical. Its large dial, robust construction, and ease of installation make it a strong choice for professional settings. However, its higher cost and potential over-specification for simple applications may not justify the purchase for casual or low-pressure uses.
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### **Recommendation**
**Buy this gauge if:**- You need a **durable, accurate, and easy-to-read** pressure gauge for **industrial, HVAC, or hydraulic systems**.
- You require a **bottom-mount design** for space constraints or aesthetic reasons.
- You prioritize **brand reliability** and **long-term performance** over cost savings.
- Your application involves **moderate to high pressures (up to 400 psi)** and requires frequent monitoring.
**Avoid this gauge if:**- You are working with **low-pressure systems** where a smaller, cheaper gauge would suffice.
- Your budget is tight, and you can find a **comparable generic gauge** at a fraction of the cost.
- The application involves **extreme corrosive conditions** without additional protective measures.
- You need **custom scales, colors, or specialized mounting options** not offered by this model.
**Alternative Considerations:**- For **budget-friendly options**, consider **generic 2.5" dial gauges** from brands like Ashcroft or Dresser.
- For **portable or handheld use**, a smaller gauge (e.g., 1.5" or 2" dial) may be more practical.
- If **corrosion resistance** is a major concern, look for gauges with **stainless steel or specialized coatings**.
Overall, this WIKA gauge is a **solid investment for professional applications** where quality and accuracy matter most.
Details:
This 400 psi brass gauge is new in the box.
part #: 9310746 prices
- $29.99-$39.90
specifications pressureswitchiz:
- brand: Wika
- mpn: 9310746
- part type: Pressure Mount Gauge
- face diameter: 2.5 In
- connection diameter: 1/4 In
- mounting position: Side/bottom Mount
- maximum pressure: 400 Psi
returns pressureswitchiz:
- policy: No Returns
shipping pressureswitchiz:
- transit: 6-12 Days
- carrier: USPS
- class: Standard
- cost: $7.46
- service: USPS Ground Advantage
- type: Calculated
payments pressureswitchiz:
- credit card: Diners-club
- other
- wallet: Paypal
offer pressureswitchiz:
- started: February 12, 2026
- availability: In Stock
- options: Ship-to-home
- best offers: True
- sold: 0
- quantity: 1
general pressureswitchiz:
- Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges
- condition: New
seller pressureswitchiz:
- # reviews: 736
- city: Bison, Oklahoma
- rating: 100.0%
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