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

Product Images

Oil-free pressure gauge with 1/4” and 6 mm tube adapter for precise sealing
Oil-free pressure gauge with 1/4” and 6 mm tube adapter for precise sealing
Pressure Gauge with extreme cold temperatures
Pressure Gauge with extreme cold temperatures
Pressure Gauge with diaphragm tantalum
Pressure Gauge with diaphragm tantalum
Stainless steel pressure gauge 5"
Stainless steel pressure gauge 5"
Stainless steel pressure gauge with vent device
Stainless steel pressure gauge with vent device
Stainless steel pressure instrument
Stainless steel pressure instrument

Downloads

English

SJ-Gauge-prdr.w-pressure-gauge-datasheet-en.pdf
SJ-Gauge-prdr.w-pressure-gauge-datasheet-ch.pdf