WIKA Models 732.51 and 733.51 Differential Pressure Gauge

Description

WIKA Models 732.51 and 733.51 Differential Pressure Gauge Technical Data and Engineering Selection Guide

WIKA Models 732.51 and 733.51 Differential Pressure Gauge is supplied by SANTAN for replacement, new projects and complete model-code review. The verified product-family information below supports preliminary selection, installation planning and quotation preparation.

Verified Product-Family Specifications

Measurement principle	Mechanical diaphragm differential-pressure indication
Published DP ranges	Starting at 0 … 16 mbar; upper range and units depend on configuration
Static pressure	Working pressure up to 40 bar for eligible configurations
Overload safety	Up to 40 bar, model and range dependent
Nominal sizes	100 or 160 mm dial
Accuracy	Class 1.6 for the published family offering
Construction	All-welded media chamber with stainless-steel case and 316 stainless-steel wetted chamber
Variants	732.51 dry case and 733.51 case-filled version; confirm pointer, filling and mounting options

Published values describe the product family and remain configuration dependent. Final range, accuracy, materials, pressure or temperature limits, process connection, output, approvals and accessories must be checked against the selected WIKA order code and current data sheet.

Best-Fit Application

Use this family for filter monitoring, pump supervision, closed-vessel level or other differential-pressure duties involving compatible gases and liquids, including aggressive process environments. It is a strong choice when an all-metal, corrosion-resistant measuring chamber and high static-pressure capability are required.

Selection and Installation Notes

Size the scale so the normal operating point is well within the readable portion of the dial. Verify high- and low-side piping, equalisation/venting, condensate legs, pulsation, temperature and one-sided overload before installation. Case filling can improve pointer stability under vibration but does not replace correct impulse-line design.

Quotation and Selection Data Required

Measurement	Minimum, normal and maximum differential pressure; scale units and required accuracy
Static conditions	Maximum working/static pressure, expected overload and pressure direction
Process	Medium, concentration, operating/design temperature and corrosion risk
Mechanical	Process connection, mounting orientation, panel/pipe bracket and dial size
Options	Case filling, switch contacts, output signal, ingress protection and hazardous-area approval
Documentation	Tagging, calibration, material certificates, drawings and inspection requirements

Related Engineering Resources

Official Manufacturer Reference

WIKA official 732.31/732.51/733.31/733.51 product page and data sheet PM 07.05

Request a Quote

Send the complete WIKA model code, quantity and application data to sales@santanfluid.com. For a faster engineering review, use WhatsApp: +86 136 9022 3185 (China) or +62 823 1767 3750 (Indonesia). SANTAN will confirm the selectable configuration before quotation; no online payment is required.

Standard Technical Specification Summary

Use these fields for preliminary selection. Final values depend on the complete manufacturer model code and selected options.

Model	WIKA Models 732.51 and 733.51 Differential Pressure Gauge
Measurement Range	Configuration-dependent; confirm the required span and complete model code.
Accuracy	Class 1.6 for the published family offering
Process Connection	Configuration-dependent; confirm size, rating, standard and wetted materials.
Output Signal	Configuration-dependent; confirm analog, digital and communication requirements.
Certifications	Confirm hazardous-area, functional-safety, sanitary, marine or custody-transfer approvals by model code.
Application Industries	Application-dependent; confirm medium, process conditions and industry requirements.

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