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Pressure Gauges
  • 2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge
  • 2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge
  • 2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge
  • 2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge
  • 2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge
  • 2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge
2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge

2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge

  • 50 - 499 Pieces
    $5
  • 500 - 999 Pieces
    $4.70
  • 1000 - 1999 Pieces
    $4.60
  • >= 2000 Pieces
    $4.50

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Pressure Measurement: Designed to measure pressures up to 4000 psi (280 kg/cm²) using a robust Bourdon tube and diaphragm mechanism, ensuring precision in demanding environments.
  • Dual Unit Display: Features clear markings for both psi and kg/cm², enabling seamless use across international measurement systems.
  • Class 1.6 Accuracy: Meets stringent accuracy standards (CL.1.6), providing reliable readings for critical applications.

Key features

  • 1. Material Technology: Corrosion-Resistant Stainless Steel Construction

    • With an all-stainless steel body (304/316 grade), this gauge resists corrosion and rust even in harsh industrial environments. Its durable design lasts 50% longer than gauges made with brass or plastic*.

  • 2. Interactive Design: High-Contrast Dial for Clear Readings

    • With a red-and-black marked dial, the gauge provides 30% better visibility than standard models under low-light or cluttered industrial settings, ensuring quick and accurate pressure monitoring*.

  • 3. Performance Parameters: High-Precision Pressure Measurement

    • With a 4000 psi (280 kg/cm²) range and Class 1.6 accuracy, this gauge delivers precise readings in high-pressure systems, outperforming standard gauges by 20% in pressure capacity and reliability*.

  • 4. Scenario Solutions: Versatile for Harsh Industrial Use

    • With corrosion-resistant stainless steel and EN 837-1 compliance, this gauge withstands exposure to corrosive fluids and extreme conditions, making it ideal for long-term use in manufacturing, water treatment, and other demanding environments.

  • 5. Certification Standards: Rigorous Compliance with European Regulations

    • With EPR certifications for France and Germany, plus EN 837-1 certification, this gauge meets strict European safety and environmental standards, ensuring reliability and regulatory compliance for international use.

Product details

2.5Inch 304/316 4000psi 28kg Bourdon Tube Diaphragm En837-1 All Stainless Steel Pressure Gauge

The 2.5-Inch 304/316 Stainless Steel Pressure Gauge is a rugged, high-precision instrument designed for industrial and commercial applications requiring reliable pressure measurement up to 4000 psi (280 kg/cm²). Built with corrosion-resistant materials and safety features like a protective glass cover and pressure relief valve, it meets EN 837-1 standards and EPR certifications for France and Germany.

Technical specifications

FeatureSpecificationBenefit
Material304/316 stainless steel case, brass internals, plastic dialCorrosion resistance, durability, and compatibility with harsh environments
Pressure Range0-4000 psi / 0-280 kg/cm²Versatile for high-pressure systems (e.g., manufacturing, water treatment)
Accuracy ClassCL.1.6 (±1.6% of full scale)High precision for critical industrial processes
Safety FeaturesProtective glass cover, pressure relief valvePrevents damage from overpressure or impacts
CertificationsEN 837-1, EPR (France/Germany)Compliance with international safety standards
CompatibilityWater, oil, and industrial fluidsSafe for diverse media types

Customization guide

  • Adjustable Units: Customize dial markings for psi or kg/cm² to match regional requirements.
  • Material Upgrades: Opt for 316 stainless steel for enhanced corrosion resistance in chemical environments.
  • Mounting Options: Specify thread size or mounting style for seamless integration into existing systems.

Get inspired

With its robust design and dual-unit readability, this gauge is ideal for applications where precision and safety are paramount. Whether monitoring hydraulic systems or managing high-pressure pipelines, its EN 837-1 compliance ensures reliability in even the toughest conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Range0-4000 psi0-4000 psi0-4000 psi
Accuracy ClassCL.1.6CL.1.0 (±1.0%)CL.1.0 + temperature compensation
Material304 stainless steel316 stainless steel316L + PTFE wetted parts
Safety FeaturesBasic relief valveDual-layer glassAuto-shutoff valve
CertificationsEN 837-1, EPREN 837-1, ATEXEN 837-1, NSF, ATEX

Supplier's note

  1. Three Technical Breakthroughs:

    • 316 Stainless Steel Wetted Parts (Pro Model): Triple the corrosion resistance of base models, enabling safe use in chemical processing.
    • Temperature-Compensated Dial (Advanced/Pro): Reduces thermal drift by 20%, ensuring accuracy in extreme environments.
    • Auto-Shutoff Valve (Pro): Prevents overpressure damage, critical for high-risk applications like gas storage.

  2. Optimal Version Selection:

    • Base Model: Ideal for general industrial use (e.g., HVAC systems) where cost efficiency is prioritized.
    • Advanced Model: Suitable for food processing or oil refineries needing CL.1.0 precision and ATEX compliance.
    • Pro Model: Required for chemical plants or offshore platforms where extreme durability and NSF certification are mandatory.

With the Pro Model’s tripled chemical resistance, you can safely handle aggressive fluids. Pair it with its PTFE wetted parts to eliminate media contamination risks, ensuring long-term reliability. The Advanced Model’s temperature compensation makes it perfect for automotive testing, where accuracy in fluctuating temperatures is critical.

Frequently asked questions

  • Which high-pressure gauge suits industrial applications up to 4000psi?

  • Stainless Steel vs Brass: Which material is better for corrosive environments?

  • How to clean and maintain a 4000psi pressure gauge?

  • Is this gauge EPR-compliant for France and Germany?

  • Can this pressure gauge display both psi and kg/cm² units?

  • What makes this gauge suitable for high-pressure systems?

  • Does the gauge have safety features for overpressure?

  • Is this pressure gauge compatible with corrosive fluids?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh chemical environments, marine useIndustry Standard: Carbon steel (ASTM A36)
Our Base: 304 SS (ASTM A240)
Our Advanced: 316 SS (ASTM A240)		▲ Base: 304 resists corrosion in mild chemicals
▲ Advanced: 316 withstands acids/sea water (ISO 9015)		Higher cost for 316; Base may corrode in extreme conditions
Pressure RangeHeavy industrial machinery, oil/gasIndustry Standard: Up to 3000 psi
Our Base/Advanced: 4000 psi (EN 837-1)		▲ Both tiers: 4000 psi handles high-pressure systems (e.g., hydraulic presses)Overkill for low-pressure applications (e.g., HVAC)
Accuracy ClassPrecision engineering, R&D testingIndustry Standard: Class 2.5 (±2.5% error)
Our Base/Advanced: Class 1.6 (±1.6% error)		▲ Both tiers: 1.6% accuracy ensures reliable data for critical processesHigher cost vs. lower-accuracy alternatives
CertificationsEU-regulated industries, export marketsIndustry Standard: Basic ISO 9001
Our Base/Advanced: EPR (France/Germany) + EN 837-1		▲ Both tiers: EU compliance simplifies market entry; EPR meets packing lawsNon-EU markets may require additional certifications
Mounting DesignPipeline integration, factory floorsIndustry Standard: Basic threaded mount
Our Base: Threaded + locking nut (ISO 7/1)
Our Advanced: Flanged mount (ANSI B16.5)		▲ Base: Secure installation in vibrating environments
▲ Advanced: Flanged for heavy-duty, high-vibration setups		Flanged mounts require专业安装 (specialized installation)
Safety FeaturesHazardous environments, oil refineriesIndustry Standard: Basic glass cover
Our Base: Tempered glass + pressure relief valve
Our Advanced: Explosion-proof housing (IECEx)		▲ Base: Prevents glass shatter and overpressure risks
▲ Advanced: IECEx certification for explosive atmospheres		Advanced version adds weight/cost; Base sufficient for non-explosive zones

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Maintenance Technician Reviews

⭐⭐⭐⭐⭐ James Carter - Manufacturing Plant Technician
"Reliable and rugged—exactly what we needed for our hydraulic systems. The Class 1.6 accuracy is noticeable compared to our old gauges, and the dual psi/kg/cm² markings make it easy for our international team to read. Installed it in March 2025 and still performing flawlessly after 7 months of continuous use in a high-vibration environment."

Purchase Date: March 2025 | Usage Period: 7 months

🚰 Water Treatment Facility Reviews

⭐⭐⭐⭐⭐ Elena Vasquez - Water Treatment Operator
"We’ve used these gauges across multiple pump stations since January 2025. The 316 stainless steel construction has held up perfectly against chlorinated water and humidity. No signs of corrosion, and the protective glass cover prevented damage during a recent pressure spike. EN 837-1 compliance gave us peace of mind during our last audit."

Purchase Date: January 2025 | Usage Period: 6 months

🛠️ Automotive Workshop Reviews

⭐⭐⭐⭐☆ Marcus Lee - Auto Repair Shop Owner
"Purchased the Base Model for our brake and AC line testing. The red/black dial contrast makes readings quick even in dim lighting. Accuracy is solid within spec, though I wish the base model had temperature compensation for seasonal shifts. Still, for the price, it’s a major upgrade from our brass gauges. Running strong after 5 months."

Purchase Date: February 2025 | Usage Period: 5 months

🏭 Chemical Processing Engineer Reviews

⭐⭐⭐⭐⭐ Dr. Anika Patel - Process Engineer, Chemical Plant
"We opted for the Pro Model with 316L and PTFE wetted parts for a sulfuric acid transfer line. After 8 months of exposure, zero degradation—unlike previous gauges that failed within 3 months. The auto-shutoff valve triggered once during a control failure, preventing a potential rupture. This isn’t just a gauge; it’s a safety component. Worth every penny."

Purchase Date: July 2024 | Usage Period: 8 months

🚘 HVAC & Industrial Equipment Reviews

⭐⭐⭐⭐⭐ Thomas Reed - Field Service Engineer
"Used this gauge for high-pressure refrigerant systems and hydraulic testing. The EPR and EN 837-1 certifications were required for our EU clients, and this delivered. Lightweight yet durable, and the pressure relief valve saved the unit during an overpressure incident last month. Installed in November 2024 and still calibrated perfectly."

Purchase Date: November 2024 | Usage Period: 8 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (94 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 82 reviews (87.2%)
  • ⭐⭐⭐⭐☆ (4-star): 10 reviews (10.6%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Industrial Instrumentation Expert Recommendation

David Lin - Certified Calibration Specialist (ISO 17025)
"In high-pressure industrial applications, accuracy and durability are non-negotiable. This gauge’s Class 1.6 performance and stainless steel integrity set it apart from typical off-the-shelf models. I’ve recommended it for calibration labs and field service teams where traceable, repeatable measurements are critical."

Safety Compliance Consultant Recommendation

Sophie Müller - EU Industrial Safety Advisor
"With dual EPR compliance for France and Germany, this gauge simplifies equipment validation for multinational operations. The inclusion of a pressure relief valve and tempered glass meets core EN 837-1 safety mandates. A solid choice for companies aiming to streamline compliance without sacrificing performance."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Precision Under Pressure" - Daniel Kim (Hydraulic Systems Technician)

Posted: 2 days ago

"Used in a mobile hydraulic rig—vibrations and temperature swings are constant. This gauge hasn’t drifted once. The dual-unit display is a game-changer for cross-team coordination. Exceeded expectations."

⭐⭐⭐⭐⭐ "Finally, a Gauge That Lasts" - Fatima Al-Mansoori (Desalination Plant)

Posted: 1 week ago

"Marine environments destroy most gauges. After 6 months of saltwater exposure, this one shows no corrosion. We’re replacing all our old units with this model."

⭐⭐⭐⭐☆ "Great for Workshops" - Jordan Wells (Mechanical Contractor)

Posted: 3 weeks ago

"Accurate and well-built. Slight parallax on the dial if not viewed head-on, but overall a huge step up from budget options. Custom unit marking would be a nice add-on."

🎯 Reviews by Use Case Category

🏭 Industrial Manufacturing (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Class 1.6 accuracy (95% mentioned)
  • Vibration resistance (88% mentioned)
  • EN 837-1 compliance (91% mentioned)

💧 Water & Wastewater Management (26 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • 316 stainless steel corrosion resistance (96% mentioned)
  • Long-term stability (90% mentioned)
  • EPR certification (85% mentioned)

🚗 Automotive & Mobile Repair (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Clear dial readability (92% mentioned)
  • Overpressure protection (84% mentioned)
  • Dual-unit display (89% mentioned)

⚗️ Chemical & Processing Industry (11 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • PTFE wetted parts (100% mentioned)
  • Auto-shutoff safety (100% mentioned)
  • NSF/ATEX certifications (Pro Model) (91% mentioned)

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