Stainless Steel Pressure Gauge, Laser Welding
Model: PRDR.W
- Integrally formed without any seams to avoid leakage effectively
- Vent valve and blow-out device (plug) for improved safety
- Used in the petrochemical industry, power engineering, and sewage treatment
- Same specifications as WIKA-232.50/233.50
- Responsive after-sales service / Customizable /
- High quality / One-year warranty
- The image is for reference; the actual product willbe based on your custom specifications.
Description
The PRDR.W is a fully stainless steel pressure gauge formed with seamless laser welding, providing excellent leak prevention along with enhanced safety features such as a vent valve and blow-out back. Available in 304 or 316 stainless steel housings with 316L process connections, it supports ranges from 0–0.6 kg/cm² up to 1600 kg/cm², offering accuracy up to ±1.0% F.S. for 4″ and 6″ models. Designed for harsh environments such as petrochemical plants, power engineering, and wastewater treatment, it supports glycerine or silicone filling and multiple mounting options including bottom, back, and flange types. Its specifications match those of WIKA 232.50/233.50, making it a reliable alternative to major international brands.
Specifications
| Connection location | Bottom mount, back mount, with/without flange |
|---|---|
| Nominal size | 2.5", 4", 6" |
| Scale ranges | 0 ... 0.6 kg/cm² to 1600kg/cm², or other equivalent units of pressure, vacuum or compound |
| Accuracy | 2.5": ±1.6% F.S. 4", 6": ±1.0% F.S. |
| Process connection | 316L SS 1/4, 3/8, 1/2 PT, G, NPT, M |
| Case | 304 SS, 316 SS With blow-out device at case circumference (4”, 6”) |
| Window | Safety glass |
| Dial | Aluminum alloy, black scale on white |
| Pointer | Black aluminum alloy 2.5": normal 4", 6": adjustable |
| Movement | 304 SS |
| Filling liquid | Without, glycerine, silicone oil |
| Ambient temperature | -40℃ ... 60℃ (non-liquid-filled) -20℃ ... 60℃ (liquid-filled) |
| Medium temperature | ≤200℃ (non-liquid-filled) ≤100℃ (liquid-filled) |
| IP rating | IP65 |
| Accessories (options) | 4", 6": drag pointer 4": adjustable set pointer |







