Project Description


For 60 years, WIKA Instrument Corporation has been advancing the world of pressure and temperature instrumentation.
Utilizing nothing less than state-of-the-art equipment and manufacturing technology, WIKA products set the standard for precision, dependability and technology. With a 210,000 square foot facility in Lawrenceville, Georgia, WIKA Instrument Corporation
has state-of-the-art manufacturing technology and highly automated proprietary production equipment. Producing over 30 million gauges, diaphragm seals, transmitters, and thermometers worldwide annually, WIKA has the most extensive product line in the

Mechanical Pressure Gauges

WIKA Mechanical Pressure Gauges represent the industry standard and are designed to provide lasting service in extreme operating conditions when properly applied. WIKA has pioneered many innovations over the years, resulting in a gauge for almost every


  • For applications with high dynamic pressure pulsations or vibration a liquid filled case and socket restrictor are available
  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction

Special Features

  • Excellent load-cycle stability and shock resistance
  • Solid front thermoplastic case
  • 1019 steel socket and stainless steel tube
  • XSEL™ Process Gauge with 5 year warranty on gauge and 10 year warranty on pressure system (see terms and conditions)
  • All lower mount connection gauges are factory prepared for liquid filling

(LBM: must install membrane prior to field filling)

Standard Features

Design ASME B40.100 Weather protection
Weather resistant (NEMA 3 / IP54) – without membrane Weather tight (NEMA 4X / IP65) – dry case or filled case with membrane installed
4½” (115 mm) dial size
Pressure connection Material: 1019 steel Lower mount (LM) or lower back mount (LBM) 1/4” or 1/2” NPT with M4 internal tap
Accuracy class
± 0.5% of span (ASME B40.100 Grade 2A) ± 1.0% of span (ASME B40.100 Grade 1A) (for 20,000 psi range and above)
Restrictor Material: Stainless steel (0.6 mm)
Vacuum / Compound to 200 psi Pressure from 15 psi to 15,000 psi or other equivalent units of pressure or vacuum
Bourdon tube
Material: 316L stainless steel ≤1,000 PSI: C-type ›1,500 PSI: helical type
Working pressure
Steady: full scale value Fluctuating: 0.9 x full scale value Short time: 1.5 x full scale value
Stainless steel. Internal stop pin at 1.3 x full scale Overload and underload stops – standard Dampened movement – optional
Operating temperature Ambient:-40°F to +150°F(-40°C to +65°C)-dry 40°F to +150°F(-40°C to +65°C)- silicone filled Medium: max. +212°F (+100°C) (See Note 1 reverse side) Dial
White aluminum with black lettering, stop pin at 6 o’clockPointer Black aluminum, adjustable
Temperature error Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4% for every 18°F (10°C) rising or falling. Percentage of span. Case
Black fiberglass-reinforced thermoplastic (POCAN) Solid front, blowout back Turret-style case with built in rear flange lugs
WIKA Industrial Gauges feature rugged case designs, movements, tube assemblies and heavy-duty components. WIKA offers a wide variety of dimensions and configurations including safety-case
designs and all-welded or forged construction.

WIKA offers a full-line of High Precision Test Gauges calibrated to exacting standards in a certified lab traceable to NIST standards. WIKA’s High Precision Test Gauges are extremely
sensitive, highly accurate and have virtually no hysteresis.

Electronic Pressure Transmitters and Transducers

WIKA’s TRONIC line offers a full array of general industrial and specifically designed pressure transmitters and transducers to meet the emerging demands of design-in applications and integrated electronic systems.

WIKA Meters and Displays provide the ability to read pressure at point-of-use or remote locations. Most displays can be user programmed for output signals and ranges.

Mechanical Temperature

WIKA has a full line of Mechanical Thermometers for process and general industrial temperature measurement. All WIKA Thermometers are designed to provide lasting value, accuracy and operating life.

WIKA’s line of process grade Bi-Metal Thermometers feature an external recalibration screw and are backed by an industry leading 7-year warranty. Additionally, WIKA offers the world’s first Dampened Movement Thermometer which minimizes pointer oscillation in high vibration applications.

WIKA’s proprietary Twin-Temp combines a Bi-Metal Thermometer with an RTD or Thermocouple to provide local and remote temperature indication from a single insertion point.

WIKA’s Digital Thermometers combine standard size and connection configurations with easy to read digital outputs. Digital Thermometers operate from ambient lighting, which eliminates the need for batteries or external power sources. WIKA Industrial Glass Thermometers are ideal for HVAC/R and process piping applications. The socket connections retro-fit existing glass thermometers and feature non-mercury, blue spirit.

WIKA’s process grade Gas Actuated Thermometers are available as direct or remote reading with stainless steel bulbs or armored capillary. Multiple sizes and case materials can be combined to meet almost any application. WIKA’s Vapor Actuated Thermometers are designed for OEM applications. The capillary can be extended up to 90’ which allows the dial to be mounted for easy readability.

WIKA offers a full line of standard Thermowells for industrial and process application requirements. Additionally, WIKA can create custom Thermowells in a wide variety of materials and configurations for virtually any application.

Electrical Temperature

WIKA offers an extensive line of electrical temperature instrumentation including thermocouples, resistance temperature detectors (RTD’s), thermowells, temperature transmitters, temperature controllers, and associated accessories.

WIKA Electrical Temperature Products Catalog

This on-line catalogue contains all the standard temperature products and helpful technical information that you would find in our printed catalogue. Also, to save you time, we have included an electronic version of our Standard Product Templates that will allow you to submit the specifications for your temperature products on-line.

Diaphragm Seals

WIKA has many innovative and patented Diaphragm Seals for aggressive media applications. WIKA has the right combination of materials and technology to provide lasting instrumentation operating life.

WIKA Assembled Seals combine standardized instruments, seal components, system-fill fluid and process connections to meet almost any diaphragm seal application requirement.

WIKA Threaded Seals are designed to meet most almost any existing application or we can design almost any threaded application requirement.

WIKA Flanged Seals meet almost any current flanged application or we can create custom flange designs to retrofit existing configurations.

WIKA’s proprietary series of Inline™ Seals allow pressure measurement as an integral part of a piping system which removes turbulence, dead space or other obstacles.

WIKA Sanitary Seals are designed to meet 3A criteria for pharmaceutical, food and dairy, and biotechnology applications.

Capsule Seals are designed for flow application with medium to high pressure and low to medium flow rate. Capsule seals provide minimal insertion and disturbance to piping systems and tanks. WIKA has a full line of non-metallic seals for applications in the UHP, water and process industries. Materials of construction include; PP, PVC, PVDF and PTFE, combined with diaphragms of Viaton®, Hypalon®, Teflon® and others.

WIKA offers a full array of Diaphragm Seal Accessories to complete the package. Choose from standard mounting brackets and hardware or we can create customized solutions.

High Precision & Calibration Test

WIKA offers High Precision Monitors and Calibration Test Equipment for the most demanding accuracy and calibration requirements. Available products include laboratory and point-of-use systems for maintenance, testing, measurement and calibration.

WIKA High Precision Test Gauges offer NIST certified accuracy, high quality, reliable systems to perform calibration, test and measurement requirements.

WIKA’s Line of Calibrators and Controllers are recognized globally as the standard of precision for test and calibration instrumentation. Systems include stationary and portable systems for Metrology, Calibration Labs and field based system applications.

WIKA offers a line of Pressure Generation devices to complete the package. Systems provide point-of-use pressure for calibration and testing requirements.

WIKA Instrument Corporation provides sales, service and support for the Wallace & Tiernan Line of high precision test and measurement devices to the U.S. Market. WIKA can also repair and provide certificates of calibration traceable to NIST standards for all existing Wallace & Tiernan products.

WIKA Accessories

WIKA’s accessories complete the offering for almost every existing installation requirement. Options include needle valves, gauge cocks, block and bleed valves, snubbers, overpressure protectors, adaptors and couplings.