WIKA Authorized Supplier In India
WIKA Bourdon Tube Stainless Steel Pressure Gauge Models 232.50 & 233.50
All-stainless-steel industrial pressure gauges certified to EN 837-1 & ASME B40.100. Measuring range vacuum to 1600 bar. Trusted across India's oil & gas, chemical, power, and process industries.
About The Product
What Is a WIKA Bourdon Tube Pressure Gauge?
A Bourdon tube pressure gauge is a mechanical instrument that measures fluid or gas pressure using a curved, hollow metallic tube. When pressure is applied inside the tube, it straightens proportionally — this movement is converted by a mechanical linkage into a readable dial indication.
WIKA, founded in 1946 and headquartered in Germany, is the global market leader in pressure, temperature, and level measurement instrumentation. The WIKA Models 232.50 and 233.50 are their flagship all-stainless-steel Bourdon tube gauges, manufactured to strict EN 837-1 (European) and ASME B40.100 (American) standards, ensuring international quality compliance for every industrial application.
These gauges are widely used across India in refineries, chemical plants, power stations, pharmaceutical facilities, and water infrastructure projects — wherever accurate, durable, and maintenance-free pressure measurement is essential.
Working Principle: Bourdon tube deformation under pressure → mechanical rotation → dial reading
Manufacturer: WIKA Alexander Wiegand SE & Co. KG, Germany
Standards: EN 837-1 (Europe), ASME B40.100 (USA / International)
Accuracy: ±1.0% of full span (Class 1.0)
Safety: Blow-out back design (Safety level S1 per EN 837-1)
Supplied by: Zebco Engineering LLP — Authorized WIKA Distributor in India
Key Features at a Glance
- All-stainless-steel wetted parts & case for corrosion resistance
- Model 232.50: Dry case — optimal for stable, clean process media
- Model 233.50: Liquid-filled — vibration & pulsation dampening
- Pressure range: vacuum / compound up to 1600 bar (23,200 psi)
- Nominal sizes: Ø 63 mm | Ø 100 mm | Ø 160 mm
- Laminated safety glass window (polycarbonate for 63 mm)
- QR code laser-marked dial for product traceability
- everlast® movement version available for extended service life
- NACE MR0175 / ISO 15156 option for H₂S environments
- Special oxygen-service version (oil & grease-free)
- Multiple mounting options: direct, panel flange, surface flange
Product Models
232.50 vs 233.50 — Which Model Is Right for You?
Both models share the same all-stainless-steel platform. The key difference is case filling — choose based on your process conditions.
Dry Case Pressure Gauge
Best suited for stable process conditions with minimal vibration, pulsation, or temperature fluctuation.
- Clean, dry environments
- Low vibration process lines
- Pipe or panel mounting
- General industrial use
- Wide temperature range applications
- Easier visibility in cold environments (no fogging)
Liquid-Filled Pressure Gauge
Ideal for vibrating machinery, pump outlets, compressors, and dynamic pressure environments where needle oscillation must be damped.
- High vibration & pulsation environments
- Pump, compressor & hydraulic lines
- Glycerine or silicone oil fill options
- Reduced mechanical wear on movement
- Protects against condensation
- Extended gauge service life
Technical Data
Technical Specifications
Full technical parameters for WIKA Bourdon tube pressure gauges 232.50 and 233.50 per EN 837-1 and ASME B40.100.
| Parameter | Specification / Options |
|---|---|
| Standards | EN 837-1 & ASME B40.100 |
| Nominal Size (NS) | Ø 63 mm [2½"] | Ø 100 mm [4"] | Ø 160 mm [6"] |
| Accuracy Class | Class 1.0 (±1.0% of full scale) |
| Pressure Range | Vacuum / compound up to 0–1600 bar [0–23,200 psi] |
| Connection Location | Lower mount (radial) | Lower back mount | Centre back mount (NS 63 only) |
| Connection Material | Stainless steel 1.4404 (316L) |
| Case Material | Stainless steel 1.4301 (SS 304) | Stainless steel 1.4571 (SS 316Ti) |
| Window | Laminated safety glass (NS 100 & 160) | Polycarbonate (NS 63) |
| Ring | Bayonet ring, stainless steel |
| Movement | Stainless steel | SS 1.4404 (316L) | everlast® version |
| Bourdon Tube | Stainless steel | Monel (special version) |
| Safety Design | Safety level 'S1' per EN 837-1 | Blow out device at case circumference (NS 63) and back of case (NS 100 & 160) |
| Traceability | QR code laser-marked on dial |
Pressure Ranges
Available Pressure Ranges
WIKA 232.50 and 233.50 gauges cover the broadest standard pressure range in the industry — from vacuum to 1600 bar. Common metric ranges are listed below; psi equivalents and compound / vacuum ranges are also available.
* Custom ranges, dual-scale dials (bar/psi), and non-standard psi ranges are available on request. Contact Zebco Engineering for configurations not listed above.
Material Options
Case & Wetted Parts Material Options
Zebco Engineering supplies WIKA 232.50 and 233.50 in multiple material grades to match your specific process media, temperature range, and corrosion requirements.
Standard Stainless Steel Case
Most common configuration. Excellent corrosion resistance for water, steam, oils, and general process fluids. Cost-effective for standard industrial environments.
High-Grade SS 316Ti Case
Superior resistance to chloride-containing media, acids, and saline environments. Recommended for chemical, pharmaceutical, marine, and offshore applications.
SS 316L Movement & Bourdon Tube
Low carbon variant of 316 stainless with enhanced weldability and corrosion resistance. Used in movement and Bourdon tube for demanding liquid process media.
Monel Wetted Parts
High-nickel alloy with outstanding resistance to hydrofluoric acid, seawater, and highly corrosive media. Available via WIKA models 262 & 263 (special order).
Glycerine Case Filling (233.50)
Standard liquid fill for vibration and pulsation damping. Compatible with most industrial media. Suitable for ambient temperature ranges in most process plants.
Silicone Oil Case Filling (233.50)
For applications with extreme temperatures or where glycerine is not compatible. Inert, stable across a wide temperature range — preferred in food, pharma, and cryogenic services.
Applications
Where Are WIKA 232.50 & 233.50 Used?
These gauges are the preferred choice across India's most demanding process industries — from upstream oil fields to pharmaceutical clean rooms.
Oil & Gas
Pipeline pressure monitoring, wellhead instrumentation, separator packages, NACE-compliant H₂S service. Available in upstream, midstream, and downstream configurations.
Chemical & Petrochemical
Reactor vessel pressure, heat exchanger monitoring, distillation columns, SS 316Ti or Monel options for aggressive acid and chloride environments.
Power Generation
Boiler pressure monitoring, steam line instrumentation, turbine lube oil systems, cooling water circuits in thermal and nuclear power plants.
Pharmaceutical & Biotech
CIP/SIP process lines, clean steam, WFI systems, bioreactors. Polished SS versions for cGMP-compliant installations requiring hygienic-grade instrumentation.
Water & Wastewater
Pump station pressure monitoring, water treatment plants, desalination units, distribution network instrumentation across municipal and industrial projects.
Cement & Mining
Compressed air lines, hydraulic circuits, lubrication systems in cement kilns, crushers, and heavy-duty mining equipment.
Steel & Metallurgy
Hydraulic press systems, cooling water pressure, blast furnace instrumentation, rolling mill hydraulics in steel plants and foundries across India.
Marine & Naval
Shipboard seawater, fuel, and ballast system pressure measurement. Suitable for offshore platforms and naval vessels in saline environments.
Industries We Serve
Zebco Engineering Serves All Major Industries Across India & Globally
From Gujarat's petrochemical corridor to Middle East refineries — Zebco supplies WIKA pressure gauges to engineering contractors, plant operators, OEMs, and maintenance teams worldwide.
Why Choose Us
Why India's Top Industries Trust Zebco Engineering for WIKA Gauges
Zebco Engineering LLP is an authorized distributor of WIKA instruments in India, offering more than just a product — we offer a complete procurement and support experience.
Authorized WIKA Supplier
Genuine WIKA instruments supplied with full manufacturer documentation, test certificates, and calibration reports — no grey market risk.
Expert Technical Support
Application-specific guidance on selecting between models 232.50 and 233.50, nominal size, pressure range, material, and connection type for your exact process conditions.
Competitive Pricing
Transparent, best-value quotations on all WIKA gauge models with bulk pricing, project discounts, and flexible commercial terms for contractors and EPCs.
Pan India & Global Delivery
Reliable supply chain with delivery to all major Indian industrial hubs and international export to the Middle East, Southeast Asia, Africa, and beyond.
95% On-Time Delivery Rate
We maintain a 95% on-time delivery track record — ensuring your Wika 232.50 / 233.50 Model gauges reach your site when your project needs them, with zero production delays.
After-Sales & Documentation
Full support with material test reports (MTRs), 3.1 inspection certificates, compliance documents (NACE, ATEX, oxygen service), and project data books.
Delivery
Pan India & Global Supply
Zebco Engineering delivers WIKA pressure gauges reliably to every industrial zone in India and internationally to major global markets.
🇮🇳 Pan India Delivery
We supply WIKA gauges to all major Indian industrial cities and states. Regular dispatches to:
Orders dispatched from our Gujarat warehouse. Express delivery available for urgent industrial requirements.
🌐 Global Export
Zebco ships WIKA instrumentation internationally with proper export documentation, commercial invoices, and country-of-origin certificates:
International orders handled with air freight and sea freight options. Contact us for FOB / CIF pricing.
FAQ
Frequently Asked Questions
Common questions about WIKA Bourdon tube pressure gauges and how to buy them from Zebco Engineering in India.
A WIKA Bourdon tube pressure gauge is a mechanical pressure measuring instrument that works by the deflection of a curved (Bourdon) tube under applied pressure. As pressure increases inside the tube, it tends to straighten — this motion is transmitted via a gear-and-lever mechanism to rotate a pointer over a calibrated dial. WIKA models 232.50 and 233.50 are all-stainless-steel versions certified to EN 837-1 (European) and ASME B40.100 (American) international standards, measuring pressures from vacuum up to 1600 bar.
The WIKA 232.50 is a dry-case gauge ideal for stable, low-vibration process conditions. The 233.50 is a liquid-filled version (glycerine or silicone oil) designed for vibrating machinery, pumps, and compressors where needle oscillation must be damped. Both share identical accuracy, pressure ranges, and material construction.
These gauges are available from vacuum (–1 to 0 bar) through compound ranges up to 0–1600 bar (23,200 psi). Common ranges include 0–10, 0–16, 0–25, 0–40, 0–60, 0–100, 0–160, 0–250, 0–400, and 0–600 bar. Custom dual-scale (bar/psi) dials are also available.
Yes. Models with SS 316L wetted parts and Monel Bourdon tubes are available for aggressive media. NACE MR0175 / ISO 15156 compliant versions are offered for sour gas (H₂S) environments common in oil & gas applications.
WIKA 232.50 and 233.50 are available in three nominal sizes: Ø 63 mm (2½"), Ø 100 mm (4"), and Ø 160 mm (6"). The 63 mm size uses a polycarbonate window; 100 mm and 160 mm use laminated safety glass.
Yes. Zebco Engineering LLP is an authorized WIKA distributor supplying to all major Indian industrial cities and states, plus international export to the Middle East, Southeast Asia, Africa, and beyond. We offer both standard ex-stock delivery and project-specific procurement.
Every gauge ships with original WIKA documentation including material test reports (MTRs), EN 10204 3.1 inspection certificates, CE marking, and applicable compliance documents (NACE, ATEX, oxygen service) as required by your project specifications.
Contact us via WhatsApp at +91 9898226321, email sales@zebcoeng.com, or use the Get a Quote button on this page. Provide the model, nominal size, pressure range, connection type, and quantity for a fast quotation — typically within 24 hours.
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