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Differential Pressure Gauge, Double Diaphragm

Differential Pressure Gauge, Double Diaphragm

Model: PRHD
  • High working pressure (static pressure) and high overload safety, selectable ranges up to 30 MPa
  • The use of high-quality stainless steel materials and the robust design are geared to applications in the chemical and process engineering industries
  • Suitable for liquid and gaseous media in aggressive environments
  • Equivalent specifications that closely match the WIKA 732.14
  • Responsive after-sales service / Customizable
  • High quality / One-year warranty
  • The image is for reference; the actual product willbe based on your custom specifications.
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Description

The PRHD is a high-static differential pressure gauge featuring a dual-diaphragm design, engineered to withstand static pressures up to 30 MPa. This robust construction ensures safe and precise measurements even in high-pressure lines. Built entirely from 304 or 316 stainless steel, including all wetted parts, it offers superior corrosion resistance for demanding industrial applications. Supporting measuring ranges from 0–10 kPa to 0–600 kPa, the PRHD is compatible with both liquid and gaseous aggressive media. Designed to match the performance standards of the WIKA 732.14, it includes an adjustable zero mechanism, safety glass window, and IP56 protection (optional IP67). It is the ideal solution for chemical processes, pump monitoring, filter monitoring, and liquid level measurement where safety and durability are paramount.

Specifications

Nominal size 4", 6"
Scale ranges 0 ... 10 kPa to 0 ... 600 kPa
Static pressure Max. working pressure 10 … 30 MPa on either side, according to the scale range
Accuracy ±2.5% F.S (standard), ±1.6% F.S.
Process connection M20 x 1.5, G 1/2, 1/2" NPT
Case/ ring 304 SS (standard), 316 SS
Window Flat instrument glass
Dial Aluminium, white, black lettering
Pointer Aluminum, black
Movement 304 SS
Wetted part 304 SS (standard), 316 SS
Ambient temperature -20°C ... +60 °C
Medium temperature +180 °C Max.
IP rating IP56, IP67
Zero adjustment Remove the sealing cap at the 4 o'clock position and insert the provided hex key into the funnel guide to adjust.
Accessories (Options) Mounting bracket for wall or pipe mounting, liquid filling, other process connections, valve manifolds, differential pressure gauge with switch contacts

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