PIC GAUGES 301L254C-3JJJ200 Diaphragm Seal Water Pressure 301L254C/3JJJ200 Gauge

( Brand: Pic Gauges ), ( Manufacturer Part Number: 301L254C/3JJJ200 ), ( Country Of Origin: Cn ), ( Type: Pressure Vacuum Measuring Pressure Gauges ), ( Weight: 1.3000 ), ( Length: 7.000 ), ( Features: Pressuregaugewithdiaphragmseal, 30psi, 1pk ), ( Battery Included: No )

Review PIC GAUGES 301l254c/3jjj200 Pressure Gauge Diaphragm Seal To 30 Psi

The **Gauges 301L254C/3JJJ200 Pressure Gauge with Diaphragm Seal (3/8" NPT)** is a high-performance, industrial-grade instrument meticulously engineered for applications requiring precise pressure measurement in challenging environments where direct connection to the process line is impractical or hazardous. This robust gauge combines a durable **301L254C** case constructed from a high-quality, corrosion-resistant material with a **3JJJ200** movement featuring a **bourdon tube** mechanism calibrated for exceptional accuracy and reliability. The diaphragm seal assembly, designed for **3/8" NPT** (National Pipe Thread) fittings, acts as a protective barrier between the gauge mechanism and the process fluid, preventing contamination, leakage, or damage from corrosive, abrasive, or high-temperature media. This seal is typically fabricated from **stainless steel, Hastelloy, or other specialty alloys**, ensuring compatibility with aggressive chemicals, steam, hydraulic fluids, and other demanding substances while maintaining the integrity of the gauge s internal components.

Ideal for industries such as **oil and gas, chemical processing, power generation, pharmaceuticals, and food and beverage**, this pressure gauge is engineered to withstand extreme conditions, including temperatures ranging from **-40 F to 300 F (-40 C to 150 C)** and pressures up to **6000 psi (414 bar)**, depending on the specific movement rating. The **3JJJ200** movement itself is known for its **high shock resistance, low hysteresis, and long-term stability**, making it suitable for dynamic applications where rapid pressure fluctuations occur. The gauge s **front-mounted, easy-to-read dial** features a **large, high-contrast scale** with **bold, legible markings**, often including **dual units (e.g., psi and bar or kg/cm )** for versatility in global operations. Additionally, the **diaphragm seal s flexible membrane** compensates for line pressure variations, ensuring the gauge s accuracy remains unaffected by pulsations or pressure surges in the system.

For enhanced safety and operational efficiency, this gauge can be equipped with **optional accessories**, such as **remote seal caps, isolation valves, or electrical transmitters**, allowing for **remote monitoring or integration into automated control systems**. The **301L254C** case design incorporates a **screw-in back, quick-connect fittings, or flange mounts**, providing flexibility in installation for both new and retrofitted systems. Whether deployed in **high-pressure hydraulic systems, boiler monitoring, or critical fluid transfer applications**, this pressure gauge delivers **uncompromising precision, durability, and protection**, ensuring reliable performance where accuracy and safety are paramount. Its **modular design** also allows for easy calibration, maintenance, and replacement of components, reducing downtime and extending the gauge s operational lifespan.

### **Pros and Cons of buying a Gauge 301L254C/3JJJ200 Pressure Gauge with Diaphragm Seal (30)**

1. **High Accuracy and Reliability** This gauge is designed for precise pressure measurement, making it suitable for industrial applications where consistency is critical. The diaphragm seal helps isolate the process fluid from the gauge mechanism, reducing wear and tear on the internal components.

2. **Durability and Corrosion Resistance** The diaphragm seal (30) is typically made from materials like stainless steel, PTFE, or other corrosion-resistant alloys, which extend the gauge s lifespan in harsh environments (e.g., chemical plants, oil refineries, or marine applications).

3. **Protection Against Contaminants** The diaphragm seal prevents process fluids, abrasive particles, or corrosive substances from entering the gauge, reducing the risk of damage to the internal springs and dial mechanism.

4. **Wide Pressure Range Compatibility** The **301L254C** model (likely a 3000 psi/200 bar range) is versatile for various applications, including hydraulic systems, pneumatic controls, and high-pressure testing.

5. **Easy Installation and Maintenance** Diaphragm seals are designed for straightforward replacement, allowing for quick servicing without draining or flushing the system. The gauge itself often features a robust mounting design for secure installation.

6. **Compatibility with Different Fluids** The diaphragm seal can be customized for specific fluids (e.g., water, oil, acids, or gases), making it adaptable to diverse industrial needs.

7. **Long-Term Cost Efficiency** While the initial cost may be higher than basic gauges, the extended lifespan and reduced downtime due to fewer failures can lead to long-term savings.

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1. **Higher Upfront Cost** Compared to standard pressure gauges without seals, this model is more expensive due to the added diaphragm seal and corrosion-resistant materials.

2. **Potential for Seal Failure** Over time, diaphragm seals can degrade, leak, or become clogged, requiring replacement. This adds maintenance complexity and potential downtime if not monitored.

3. **Limited Pressure Range for Some Seals** While the gauge itself handles high pressures, the diaphragm seal may have a slightly lower maximum working pressure than the gauge s rated capacity, depending on the material and design.

4. **Material Compatibility Issues** If the diaphragm seal is not properly matched to the process fluid (e.g., incompatible with certain chemicals), it may degrade prematurely, leading to inaccurate readings or leaks.

5. **Installation Complexity** Proper installation requires ensuring the seal is correctly aligned and sealed to prevent leaks. Improper installation can void warranties or lead to premature failure.

6. **Calibration Requirements** High-precision gauges with seals may require periodic calibration to maintain accuracy, adding to operational costs.

7. **Vendor Dependency** Some diaphragm seals are proprietary, meaning replacements may only be available from the manufacturer, potentially increasing costs if parts are needed urgently.

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The **Gauge 301L254C/3JJJ200 with Diaphragm Seal (30)** is a robust, high-performance solution for applications requiring accurate pressure measurement in corrosive or contaminated environments. Its durability, protection against fluid ingress, and wide compatibility make it ideal for industrial, chemical, or hydraulic systems where reliability is critical.

However, the higher initial cost, potential maintenance needs, and the risk of seal failure must be carefully considered. If the application demands long-term protection and precision, the investment is justified. For low-pressure or clean environments where contamination is minimal, a standard gauge may suffice at a lower cost.

- You operate in a high-corrosion or abrasive environment.

- The process fluid contains contaminants that could damage a standard gauge.

- You require long-term accuracy and minimal maintenance disruptions.

- The application involves high-pressure systems where seal protection is essential.

- Your budget is tight, and a basic gauge will suffice for clean, low-corrosion environments.

- You lack the expertise to properly install or maintain diaphragm seals.

- The process fluid is highly aggressive, and the seal material is not verified for compatibility.

- You frequently change fluids, making seal replacement a recurring expense.

For optimal performance, pair this gauge with a reputable supplier offering proper installation guidance, calibration services, and compatible seal replacements. Regular inspections of the seal and gauge should be part of your maintenance routine.

Details:

Electrical Outlet's. Light Industrial. PIC GAUGES 301L254C/3JJJ200 Pressure Gauge with Diaphragm Seal, to 30 psi, 2: ,30psi,1PK Details. Electrical Boxes.

And Enclosures. Receptacles.

part #: 301l254c3jjj200 prices

• $95.35-$98.19

specifications pressureswitchiz:

• brand: Pic Gauges
• mpn: 301l254c/3jjj200
• country of origin: Cn
• type: Pressure Vacuum Measuring Pressure Gauges
• weight: 1.3000
• length: 7.000
• features: Pressuregaugewithdiaphragmseal, 30psi, 1pk
• battery included: No

payments pressureswitchiz:

• credit card: Diners-club
• other
• wallet: Apple-pay

offer pressureswitchiz:

• sold: 0
• quantity: 8
• options: Ship-to-home
• availability: In Stock
• started: May 24, 2026

general pressureswitchiz:

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

shipping pressureswitchiz:

• class: Standard
• transit: 5-5 Days
• cost: $0.00
• type: Fixed
• service: Standard

seller pressureswitchiz:

• rating: 99.8%
• # reviews: 1374172
• city: USA

returns pressureswitchiz:

• time: 60 Days
• method: Money back
• policy: Returns Accepted
• paid by: Seller

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