WIKA 233.30.100 Diaphragm Seal Water Pressure Gauge 14261575 5-1/4IN 30300psi

( Brand: Wika ), ( Manufacturer Part Number: 233.30.100 ), ( Part Type: Seal Pressure Gauge ), ( Model Number: 233.30.100 14261575 ), ( Reference Sku: 1771510 )

Review WIKA Diaphragm Seal Pressure Gauge 5-1/4in 4in 30300psi

The **WIKA 233.30.100 (14261575) Diaphragm Seal Pressure Gauge** is a robust, high-performance instrument designed for precise and reliable pressure measurement in demanding industrial applications where process fluids or corrosive media pose a risk to standard gauge mechanisms. This gauge features a **5-1/4 inch (133 mm) dial face**, providing ample visibility for accurate readings even from a distance, while its **4-inch (100 mm) mounting flange** ensures compatibility with a wide range of system configurations. The **30 300 psi (2 20 bar) range** makes it ideal for moderate to high-pressure environments, such as hydraulic systems, chemical processing, food and beverage production, or HVAC applications where consistent monitoring is critical.

At the heart of this gauge is a **WIKA diaphragm seal (14261575)**, a critical component that isolates the process medium from the gauge mechanism, protecting it from contamination, corrosion, or degradation. Constructed from **stainless steel (AISI 316 or equivalent)**, the diaphragm seal is engineered to withstand aggressive chemicals, oils, and abrasive substances, ensuring long-term durability and accuracy. The seal s flexible membrane transmits pressure to the gauge s internal bourdon tube without direct exposure to the fluid, reducing maintenance requirements and extending the gauge s operational lifespan. Additionally, the seal s **quick-connect design** allows for easy installation and replacement, minimizing downtime during servicing.

The gauge itself is built to industrial standards, featuring a **durable cast aluminum or stainless steel housing** for resistance to environmental factors like moisture, dust, and temperature fluctuations. Its **backlit dial** enhances readability in low-light conditions, while the **precision-machined bourdon tube** ensures consistent, repeatable measurements with minimal hysteresis. The **flanged connection (4-inch)** provides a secure, leak-proof interface with the process piping, and the gauge s **NPT or metric thread options** (depending on model variant) offer flexibility for integration into diverse system designs. For added protection, the gauge can be equipped with a **glass or polycarbonate protective cover**, shielding the dial from physical damage while maintaining visibility.

Safety and reliability are prioritized with features such as a **pressure relief valve** (optional) to prevent overpressure damage and a **sealed case** that meets IP65 standards for dust and water ingress protection. The gauge s **zero adjustment mechanism** allows for fine-tuning calibration, ensuring accuracy even after prolonged use or environmental exposure. Whether deployed in a refinery, pharmaceutical plant, or industrial facility, the WIKA 233.30.100 diaphragm seal pressure gauge delivers dependable performance, combining precision engineering with corrosion-resistant materials to meet the rigorous demands of modern industrial environments. Its modular design and compatibility with various diaphragm seal materials (such as PTFE, Viton, or EPDM) further expand its versatility, making it a versatile solution for a broad spectrum of applications.

### **Pros and Cons of buying a WIKA 233.30.100 14261575 Diaphragm Seal Pressure Gauge (5-1/4" Dial, 4" Process Connection, 30-300psi)**

1. **High Accuracy and Reliability** WIKA is a well-known brand in precision instrumentation, offering gauges with minimal hysteresis and repeatability, ensuring consistent readings in industrial applications.

2. **Diaphragm Seal Protection** The diaphragm seal isolates the process fluid from the gauge mechanism, preventing contamination, corrosion, or damage from aggressive media (acids, chemicals, slurries, or high-temperature fluids).

3. **Wide Pressure Range (30-300psi)** Suitable for moderate to high-pressure applications in industries like oil & gas, chemical processing, power generation, and HVAC systems.

4. **Durable Construction** The 5-1/4" dial provides a clear, easy-to-read display, while the 4" process connection ensures compatibility with standard piping systems.

5. **Corrosion Resistance** The diaphragm seal and gauge housing are likely made from materials like stainless steel or Hastelloy, depending on the model, which enhances longevity in corrosive environments.

6. **Easy Maintenance** Diaphragm seals can be replaced without removing the gauge from the system, reducing downtime.

7. **Certifications and Compliance** WIKA products often meet industry standards (e.g., ATEX, CE, API, or NACE), ensuring safety and regulatory compliance in hazardous areas.

8. **Versatile Applications** Works in both liquid and gas systems, making it useful in a variety of industrial processes.

9. **Long Lifespan** Properly maintained, WIKA gauges can last for decades, reducing replacement costs over time.

10. **Resale Value** As a reputable brand, these gauges retain value better than generic alternatives.

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1. **Higher Upfront Cost** Compared to basic mechanical gauges or lower-end brands, WIKA products are more expensive, which may be a barrier for small businesses or budget-conscious buyers.

2. **Potential for Seal Failure** Diaphragm seals can degrade over time due to fatigue, chemical exposure, or mechanical stress, requiring periodic inspection and replacement.

3. **Complex Installation** Proper installation of the diaphragm seal and process connection requires careful alignment and sealing to prevent leaks, which may necessitate professional assistance.

4. **Limited Customization** The gauge may not offer as many customization options (e.g., different scales, materials, or mounting styles) as some specialized manufacturers.

5. **Calibration Requirements** Like all precision instruments, this gauge may need periodic calibration to maintain accuracy, adding to maintenance costs.

6. **Stock Availability** Depending on the region, finding replacement parts (e.g., diaphragm seals, gaskets) may take time, potentially causing delays in maintenance.

7. **Overkill for Low-Pressure or Simple Applications** If the application only requires occasional pressure monitoring (e.g., in a non-hazardous, low-corrosivity environment), a simpler gauge may suffice without the diaphragm seal.

8. **Training Needed** Operators may require training to properly read, maintain, or troubleshoot the gauge, especially if they are unfamiliar with diaphragm seal technology.

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### **Conclusion**

The **WIKA 233.30.100 diaphragm seal pressure gauge** is an excellent choice for industrial applications where **accuracy, corrosion resistance, and long-term reliability** are critical. Its diaphragm seal protects the gauge from harsh process conditions, making it ideal for **chemical processing, oil & gas, power plants, and food/beverage industries** where contamination or fluid damage could compromise performance.

However, the **higher cost, maintenance requirements, and potential complexity of installation** may not justify its purchase for **low-pressure, non-corrosive, or simple monitoring applications**. If budget is a concern, a standard mechanical gauge might be sufficient, but for **high-stakes or corrosive environments**, the WIKA gauge s durability and precision make it a worthwhile investment.

### **Recommendation**

- You operate in an **industrial setting with corrosive, abrasive, or high-temperature fluids**.

- **Accuracy and long-term reliability** are non-negotiable for your process.

- You require **minimal maintenance** despite the diaphragm seal s potential wear.

- Compliance with **industry standards (ATEX, API, NACE)** is mandatory.

- Your application involves **low-pressure, non-corrosive fluids** where a basic gauge would suffice.

- **Budget constraints** make the upfront cost prohibitive, and you can opt for a lower-cost brand with similar features.

- You lack **expertise in diaphragm seal maintenance**, as improper handling could lead to leaks or failures.

- You need **custom scales or specialized materials** not offered by WIKA s standard models.

**Final Verdict:** For **industrial-grade pressure monitoring in harsh conditions**, this WIKA gauge is a **strong, long-term investment**. For **mild or non-critical applications**, a simpler gauge may be more cost-effective. Always verify the **specific model s material compatibility** with your process fluid to ensure optimal performance.

Details:

Roller Chains. Diaphragm Valves. Piston Valves.

part #: 23330100 prices

• $25.00-$103.00

specifications pressureswitchiz:

• brand: Wika
• mpn: 233.30.100
• part type: Seal Pressure Gauge
• model number: 233.30.100 14261575
• reference sku: 1771510

seller pressureswitchiz:

• city: Delta, Ohio
• # reviews: 129649
• rating: 100.0%

offer pressureswitchiz:

• sold: 0
• started: June 4, 2026
• quantity: 2
• best offers: True
• availability: In Stock
• options: Ship-to-home

general pressureswitchiz:

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

shipping pressureswitchiz:

• service: Standard, Expedited, Overnight
• transit: 6-6 Days
• cost: $0.00
• class: Standard, Expedited, One-day
• type: Fixed

payments pressureswitchiz:

• credit card: Visa
• wallet: Paypal
• other

returns pressureswitchiz:

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

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