Laser welding

Laser welding

Product Description

Model: PRDR.W​

Integrally formed without any seams to avoid leakage effectively
Vent valve and blow-out device (plug) for improved safety
Used in 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


Figure 1: 4" Bottom mount 
Figure 2: 6" Bottom mount with adjustable set pointer 
Figure 3, 4: 2.5" Center back mount with flange (liquid filled)
Figure 5, 6: 4" Lower back mount with sanitary tri-clamp
Figure 7: 4" Lower back mount with flange 
Figure 8: 4" Bottom mount with drag pointer
Figure 9: 4" Bottom mount with adjustable set pointer


Product Display


Product Specification

Connection location 

Bottom mount, back mount,
with/without flange

Nominal size

2.5", 4", 6"

Scale ranges

0 ... 0.6 kg/cm2 to 1600 kg/cm2,
or other equivalent units of pressure, vacuum or compound


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


304 SS (standard), 316 SS
With blow-out device at case circumference, vent valve


Safety glass


Aluminum alloy, black scale on white


Black aluminum alloy
2.5": normal; 4", 6": adjustable

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


Accessories (options)

4", 6": drag pointer
4": adjustable set pointer

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