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Products

Bourdon tube pressure gauge, copper alloy Standard version Models 111.10, 111.12

The model 111 pressure gauges are based on the proven Bourdon tube measuring system. On pressurisation, the deflection of the Bourdon tube, proportional to the incident pressure, is transmitted to the movement via a link and indicated.
The modular design enables a multitude of combinations of case materials, process connections, nominal sizes and scale ranges. Due to this high variance, the instrument is suitable for use in a wide range of applications within industry.
For mounting in control panels, the pressure gauges can, depending on the process connection, be fitted with a surface mounting flange or with a triangular bezel and mounting bracket.
The standard version of the model 111 is manufactured, cost-optimised on modern production lines, in volumes of several million instruments per year.

Bourdon tube pressure gauge, copper alloy Standard version Models 111.10, 111.12

The model 111 pressure gauges are based on the proven Bourdon tube measuring system. On pressurisation, the deflection of the Bourdon tube, proportional to the incident pressure, is transmitted to the movement via a link and indicated.
The modular design enables a multitude of combinations of case materials, process connections, nominal sizes and scale ranges. Due to this high variance, the instrument is suitable for use in a wide range of applications within industry.
For mounting in control panels, the pressure gauges can, depending on the process connection, be fitted with a surface mounting flange or with a triangular bezel and mounting bracket.
The standard version of the model 111 is manufactured, cost-optimised on modern production lines, in volumes of several million instruments per year.

■ Reliable and cost-effective ■ Design per EN 837-1 ■ Nominal size 40, 50, 63, 80, 100 and 160 ■ Scale ranges up to 0 ... 400 bar

The model 111 pressure gauges are based on the proven Bourdon tube measuring system. On pressurisation, the deflection of the Bourdon tube, proportional to the incident pressure, is transmitted to the movement via a link and indicated.
The modular design enables a multitude of combinations of case materials, process connections, nominal sizes and scale ranges. Due to this high variance, the instrument is suitable for use in a wide range of applications within industry.
For mounting in control panels, the pressure gauges can, depending on the process connection, be fitted with a surface mounting flange or with a triangular bezel and mounting bracket.
The standard version of the model 111 is manufactured, cost-optimised on modern production lines, in volumes of several million instruments per year

Bourdon tube pressure gauge Model 131.11, stainless steel version

Design EN 837-1
Nominal size in mm 40, 50, 63
Accuracy class 2.5
Scale ranges NS 40 and 50: 0 ... 1 to 0 ... 600 bar NS 63: 0 ... 1 to 0 ... 1,000 bar or all other equivalent vacuum or combined pressure and vacuum ranges

Bourdon tube pressure gauge, copper alloy Stainless steel case, liquid filling, NS 50, 63 and 100 Model 213.53

The liquid-filled model 213.53 Bourdon tube pressure gauge is constructed with a case from stainless steel and wetted parts from copper alloy.
The model 213.53 meets the requirements of the international industry standard EN 837-1 for Bourdon tube pressure
gauges. Due to the liquid filling in the case, the pressure element and movement are efficiently damped. Therefore, these instruments are particularly suited to measuring points with high
dynamic loads, such as fast load cycles or vibrations. The cases of the model 213.53 are available in nominal sizes of 50, 63 and 100 mm and fulfil IP65 ingress protection. With an accuracy of up to class 1.0, this pressure gauge is suitable for a wide range of applications in industry.
For mounting in control panels, the pressure gauges with a back mount process connection can be fitted with a mounting flange or with a triangular bezel and mounting bracket.

Bourdon Tube Pressure Gauges Stainless Steel, Safety Pattern Version Model 232.30/233.30, without/with Liquid Filling

Design EN 837-1
Nominal size 63, 100 and 160 mm
Accuracy class 63 mm: 1.6 100, 160 mm: 1.0
Scale ranges 63 mm: 0 ... 1 to 0 ... 1000 bar 100 mm: 0 ... 0.6 to 0 ... 1000 bar 160 mm: 0 ... 0.6 to 0 ... 1600 bar or other equivalent units of pressure or vacuum

Bourdon tube pressure gauge, stainless steel Process gauge, safety version per ASME B40.100 Models 232.34, 233.34, NS 4 ½"

This high-quality Bourdon tube pressure gauge has been designed especially for increased safety requirements within the process industry.
By using stainless steel materials for the wetted parts and also a highly resistant plastic for the case, the model 232.34 achieves excellent corrosion resistance. With this, the instrument is ideal for liquid and gaseous media, even in aggressive environments.
Scale ranges of 0 ... 0.6 bar to 0 ... 1,000 bar ensure the measuring ranges required for a wide variety of applications. WIKA manufactures and qualifies the model 232.34 in accordance with the requirements of the American standard ASME B 40.100 in the safety version.
The safety version is made up of a non-splintering plastic window, a solid baffle wall between measuring system and dial and a blow-out back. In the event of a failure, the operator is protected at the front side, as media or components can only be ejected via the back of the case.
For harsh operating conditions (e.g. vibrations), all instruments are also available with an optional case filling.

Bourdon tube pressure gauge Stainless steel version Models 232.50, 233.50

Design EN 837-1
Nominal size in mm 63, 100, 160
Accuracy class NS 63: 1.6 NS 100, 160: 1.0
Scale ranges NS 63: 0 ... 1 to 0 ... 1,000 bar NS 100: 0 ... 0.6 to 0 ... 1,000 bar NS 160: 0 ... 0.6 to 0 ... 1,600 bar or all other equivalent vacuum or combined pressure and vacuum ranges

Bourdon tube pressure gauge Test gauge series, class 0.6 Models 311.11, 331.11

Design EN 837-1
Nominal size in mm 250
Accuracy class 0.6
Scale ranges Model 311.11: 0 ... 0.6 to 0 ... 600 bar Model 331.11: 0 ... 0.6 to 0 ... 1,600 bar or all other equivalent vacuum or combined pressure and vacuum ranges

Bourdon Tube Pressure Gauges Test Gauge with ± 0.25% Accuracy Type 312.20

Calibration medium < 360 psi (25 bar): Gas > 360 psi (25 bar): Liquid
Working pressure Steady: full scale value Fluctuating: 0.9 x full scale value Short time: 1.3 x full scale value
Operating temperature Ambient: -40°F to +140°F (-40°C to +60°C) Medium: +140°F (+60°C) maximum
Temperature error Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4% of span for every 18°F (10°K) rising or falling.

Diaphragm pressure gauge Grey cast iron case Models 422.12, 423.12

Diaphragm pressure gauges are preferably used for low pressure ranges. Through the large working surface of the circular, corrugated diaphragm element, small pressure ranges can be measured reliably.
The diaphragm pressure gauges are manufactured in accordance with EN 837-3. The robust design is particularly suitable for applications in machine building, plant construction and in the water and wastewater industry.
The upper measuring flange with case and the lower measuring flange are made from one cast part, respectively.
The instrument is used for the measurement of gaseous and liquid media that will not attack cast steel. For the measurement of highly viscous, crystallising or contaminated media, the use of an open connecting flange is recommended. The open connecting flange has the advantage over a threaded connection that the pressure port cannot become blocked. With an additional flushing connection on the open connecting flange, the pressure chamber can be easily cleaned.
Measuring systems with diaphragm elements, on the grounds of their design, offer good protection from overload, since the diaphragm can support itself against the upper flange. As standard, the diaphragm pressure gauges already feature an overload safety of 3 times the full scale value.
Optionally, higher overload safeties can be realised.

Diaphragm pressure gauge For the process industry Models 432.50, 433.50, up to 10-fold overload safety, max. 40 bar

Diaphragm pressure gauges are preferably used for low pressure ranges. Through the large working surface of the circular, corrugated diaphragm element, small pressure ranges can be measured reliably.
The model 432.50 diaphragm pressure gauge is manufactured in accordance with EN 837-3. The high-quality design is particularly suitable for applications in the chemical and petrochemical industry, oil and gas industry and power engineering.
The case and wetted parts from stainless steel fulfil high requirements for resistance against aggressive media. For especially high resistance requirements, the pressure chamber can, as an option, be designed with a wide variety of special materials such as PTFE, tantalum or Hastelloy. For the measurement of highly viscous, crystallising or contaminated media, the use of an open connecting flange is recommended. The open connecting flange has the advantage over a threaded connection that the pressure port cannot become blocked. With an additional flushing connection on the open connecting flange, the pressure chamber can be easily cleaned.
Measuring systems with diaphragm elements, on the grounds of their design, offer good protection from overpressure, since the diaphragm can support itself against the upper flange. As standard, the model 432.50 diaphragm pressure gauge already features an overload safety of 5 times the full scale value. Optionally, higher overload safeties can be realised.

Diaphragm pressure gauge for the process industry Model 432.56, high overload safety up to 100 bar Model 432.36, safety version, high overload safety up to 400 bar

Design EN 837-3 Nominal size in mm 100, 160
Accuracy class 1.6 Scale ranges 1) 0 ... 16 mbar to 0 ... 250 mbar 0 ... 400 mbar to 0 ... 40 bar or all other equivalent vacuum or combined pressure and vacuum ranges
Pressure limitation Steady: Full scale value Fluctuating: 0.9 x full scale value

Low Pressure Gauge Type 612.20, Stainless Steel Case

Ranges (All ranges not stocked) Size 2½”(63 mm):0...10”H2 O (25 mbar) to 0 ...250”H2 O (600 mbar) Size 4”(100 mm):0 ...4”H2 O (10 mbar) to 0 ...250”H2 O (600 mbar) Size 6”(160 mm):0 ...2.5”H2 O (4 mbar) to 0 ...250”H2 O (600 mbar) or all other equivalent vacuum or compound ranges Connection
Copper alloy Size2½”(63mm):¼”NPTlowermount(LM)orcenterbackmount(CBM) Size4”&6”(100mm&160mm):¼”NPTor½”NPTlowermount(LM)or lowerbackmount(LBM)
Capsule Element Material: copper alloy Movement Copper alloy, nickel-silver pinion g

Capsule pressure gauge, stainless steel For the process industry Models 632.50, 633.50, NS 63, 100, 160

Design EN 837-3
Nominal size in mm 63, 100, 160
Accuracy class 1.6
Scale ranges NS 63: 0 ... 40 mbar to 0 ... 600 mbar NS 100: 0 ... 16 mbar to 0 ... 600 mbar NS 160: 0 ... 2.5 mbar to 0 ... 600 mbar or all other equivalent vacuum or combined pressure and vacuum ranges or all other equivalent vacuum or combined pressure and vacuum ranges

Capsule Pressure Gauges Stainless Steel Series Model 632.50/633.50, without/with Liquid Filling

Design EN 837-3
Nominal size in mm 63, 100, 160
Accuracy class 1.6
Scale ranges NS 63: 0 ... 40 mbar to 0 ... 600 mbar NS 100: 0 ... 16 mbar to 0 ... 600 mbar NS 160: 0 ... 2.5 mbar to 0 ... 600 mbar or all other equivalent vacuum or combined pressure and vacuum ranges

Bourdon tube pressure gauge, stainless steel For panel mounting Model PG23CP

The high-quality model PG23CP pressure gauge has been designed especially for the requirements of the process industry. This safety pressure gauge is mainly used for applications in the chemical and petrochemical industry, the oil and gas industry, power engineering and also in water/ wastewater technology. Typical measuring points are on control units and control panels such as hydraulic power units (HPUs). For secure mounting of the instrument, a high-quality front bezel is used. The mounting situations mainly require an IP66 ingress protection. For this reason, the sealing of the model PG23CP to the panel is made using an all welded mounting ring and a matched flat gasket

Bourdon tube pressure gauge, stainless steel For highest pressure applications to 6,000 bar Model PG23HP-P, heavy-duty version

The model PG23HP-P Bourdon tube pressure gauge has been designed specifically for high-pressure applications up to 6,000 bar. This makes it one of the few pressure gauges available worldwide which can reliably display pressures of this order of magnitude.
Typical measuring points for this pressure gauge can be found in water jet cutting, high-pressure cleaning and test bench construction.
WIKA manufactures and qualifies the model PG23HP-P in accordance with the requirements of the new DIN 16001 high-pressure standard in the “S3” safety version. The safety version is made up of laminated safety glass, a solid baffle wall between measuring system and dial and a blow-out back. In the event of a failure, the operator is protected at the front side, as media or components can only be ejected via the back of the instrument

Bourdon tube pressure gauge, stainless steel For highest pressure applications to 3,000 bar Model PG23HP-S

The model PG23HP-S Bourdon tube pressure gauge has been designed specifically for high-pressure applications up to 3,000 bar.
Typical measuring points for this pressure gauge can be found in water jet cutting, high-pressure cleaning and test bench construction.
WIKA manufactures and qualifies the model PG23HP-S in accordance with the requirements of the new DIN 16001 high-pressure standard in the “S3” safety version. The safety version is made up of laminated safety glass, a solid baffle wall between measuring system and dial and a blow-out back. In the event of a failure, the operator is protected at the front side, as media or components can only be ejected via the back of the instrument.
The proven, all-welded construction ensures a long service life and permanent sealing. The resistance to shock and vibration can be increased by the optional silicone oil case filling.

Bourdon Tube Pressure Gauges Test Gauge Series, Class 0.6 (± 0.5%) • Model 312.20

Optional extras - Other pressure connection - Medium temperature to 100 °C with special soft solder - Medium temperature to 200 °C (see data sheet PM 03.05) - Liquid filling (model 313.20) - 3-hole surface or panel mounting flange, stainless steel - Triangular bezel, stainless steel, polished, with clamp - Alarm contacts (see data sheet AC 08.01) - Transmitter (see data sheet AE 08.02)

Bourdon Tube Pressure Gauges Test Gauge Series, Class 0.6 (± 0.5%) • Model 311.11

Optional extras - Other pressure connection - Pressure system stainless steel 316L, scale range up to 0 ... 600 bar (model 331.11) - 3-hole surface or panel mounting flange - Accuracy class higher, class 0.25