Model 232.30, 233.30 – Pressure Measurement
The WIKA Model 232.30 and 233.30 are premium all-stainless steel, safety-version Bourdon tube pressure gauges designed for harsh process industry applications. They are engineered to provide enhanced operator safety under high dynamic pressure loads.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The WIKA Model 232.30 and 233.30 are ultra-rugged, process-grade Bourdon tube pressure gauges built entirely from stainless steel. They are specifically engineered with a solid baffle wall design to protect personnel from high-pressure catastrophic failures in extreme environments.
| Category | Specification / Feature | Details |
|---|---|---|
| Basic Models | 232.30 / 233.30 | 232.30: Unfilled (Dry case) 233.30: Liquid-filled (Glycerin or silicone oil) |
| Safety Designation | S3 Safety Version | Meets EN 837-1 and ASME B40.100 safety standards |
| Safety Features | Personnel Protection | Solid baffle wall front, blow-out back, laminated safety glass |
| Dial Sizes | Nominal Diameters | 2 ½” (63 mm), 4″ (100 mm), 4 ½” (115 mm), 6″ (160 mm) |
| Accuracy Class | Precision Ratings | 2 ½” size: Grade B (±2%-1%-2% or ±1.6%) 4″, 4 ½”, 6″ sizes: Grade 1A (±1.0%) or Grade 2A (±0.5%) |
| Pressure Ranges | Scale Intervals | 0 … 0.6 bar up to 0 … 1,600 bar Vacuum / Compound: Up to 0 … 20,000 psi |
| Materials | Wetted & Case Parts | 316L Stainless Steel wetted parts; 304 Stainless Steel case |
| Ingress Rating | Environmental Protection | IP65 / IP66 per IEC/EN 60529 (NEMA 4X equivalent) |
| Process Temp. | Medium Limits | Dry (232.30): Up to +200°C (+392°F) Liquid-filled (233.30): Up to +100°C (+212°F) |
| Ambient Temp. | Operating Limits | Dry (232.30): -40°C … +60°C Glycerin-filled: -20°C … +60°C Silicone-filled: -40°C … +60°C |
| Connections | Process Entry Types | ½” NPT, ¼” NPT, G ½ B, G ¼ B (Lower/Bottom back mount) |
| Dial Options | Display Customisation | Single or dual scales, custom logos, red mark pointers |
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