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WIKA · Pressure measurement · Family 432

Diaphragm pressure gauge for the process industry

High overload safety up to 100/400 bar
Range
-1000…1000 mbar
Accuracy
1.6
Protection
IP65
CEEACNACE MR0175/ISO 15156NACE MR0103/ISO 17945NACEII 2G h IIC T6 … T1 Gb XII 2D h IIIC T85°C … T450°C Db XII 2G h IIC T6 ...T1 Gb X
Price
On request
Depends on configuration
Request a quote
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Description

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.

Depending on the version, the models 432.56 and 432.36 are able, already from the smallest scale range of 0 ... 16 mbar, to withstand an overload of 40, 100 or 400 bar without any subsequent impairment of their measurement characteristics.

The diaphragm pressure gauge models 432.56 and 432.36 are 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 further approvals, see page 7

Diaphragm pressure gauge model 432.56

For especially high resistance requirements, the pressure chamber can 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.

The QR code on the dial allows instrument-specific information such as the serial number, the order number, certificates and other product data to be retrieved from the internet easily and in the long term.

Special features

  • High overload safety, optionally 40, 100 or 400 bar due to the metallic pressure element limit stop, without liquid-filled measuring cell
  • Wide choice of special materials
  • Compatible with switch contacts
  • Scale ranges from 0 … 16 mbar
  • QR code on dial links to instrument-specific information
Identification
Model432.36
Product family432
SubcategoryDiaphragm pressure gauge
Measuring range
Pressure ranges0…16 mbar · 0…25 mbar · 0…40 mbar · 0…60 mbar · 0…100 mbar · 0…160 mbar · 0…250 mbar · 0…400 mbar · 0…600 mbar · 0…1000 mbar · 0…0.6 bar · 0…1 bar · 0…1.6 bar · 0…2.5 bar · 0…4 bar · 0…6 bar · 0…10 bar · 0…16 bar · 0…25 bar · 0…40 bar · -0.6…0 bar · -1…0 bar · -16…0 mbar · -40…0 mbar · -60…0 mbar · -100…0 mbar · -160…0 mbar · -250…0 mbar · -400…0 mbar · -600…0 mbar · -1000…0 mbar · -5…20 mbar · -6…10 mbar · -10…15 mbar · -15…25 mbar · -20…40 mbar · -30…30 mbar · -40…60 mbar · -50…200 mbar · -60…100 mbar · -100…150 mbar · -125…125 mbar · -150…250 mbar · -250…750 mbar · -400…600 mbar · -500…500 mbar · -600…400 mbar · -750…250 mbar · -800…200 mbar · -15…0 inHg · -30…0 inHg · -30…15 inHg · -30…60 inHg · -30…100 inHg · -30…160 inHg · -30…200 inHg · -30…300 inHg · 0…10 psi · 0…15 psi · 0…30 psi · 0…60 psi · 0…100 psi · 0…150 psi · 0…160 psi · 0…200 psi · 0…250 psi · 0…300 psi · 0…400 psi
Accuracy
Accuracy class1.6
Accuracy standardEN 837-3
Process conditions
Process connection
Open connecting flange 1" class 150, RFOpen connecting flange 2" class 150, RFOpen connecting flange 1" class 300, RFOpen connecting flange DN 25 PN 40Open connecting flange DN 50 PN 40M20 x 1.5G ½ B½ NPTG 1/2 B1/2 NPT
Process temperature+100…+200 °C
Materials
Case materialStainless steel 1.4301 (304), Stainless steel 1.4571 (316 Ti)
Wetted parts materialNiCr alloy (Inconel), Stainless steel 316L, PTFE, Hastelloy, Monel, Tantalum, Gold
Sealing materialFPM/FKM, PTFE
Operating environment
Ambient temperature−40…+60 °C
IP ratingIP65
Weight6.9 kg
Certifications and approvals
Certifications
CEEACNACE MR0175/ISO 15156NACE MR0103/ISO 17945NACE
Explosion protection
II 2G h IIC T6 … T1 Gb XII 2D h IIIC T85°C … T450°C Db XDust II 2D h IIC T85°C ...T450°C Db X
Additional details
Dial size100 mm
Datasheet languagesEN, DE
Tables from datasheet
Basic information
Standard
Diaphragm and capsule pressure gaugesEN 837-3
→ For information on the 'Selection, installation, handling and operation of pressure gauges', see Technical information IN 00.05.
Nominal size (NS)■ Ø100 mm[4"] ■ Ø160 mm[6"]
Window■ Laminated safety glass ■ Polycarbonate
Case
Design, model 432.56 and 433.56Safety level 'S1' per EN 837-1:With blow-out device
Design, model 432.36 and 433.36Safety level 'S3' per EN 837-1:With solid baffle wall and blow-out back
Material■ Stainless steel 1.4301 (304) ■ Stainless steel 1.4571 (316 Ti)
Case filling■ Without ■ Glycerine-water mixture 1) ■ Silicone oil M50 1)
Instruments with case filling with compensating valve to vent case.
MovementStainless steel
Measuring element
Type of measuring elementDiaphragm element
Materials (wetted) Diaphragm element 1)Span ≤ 0.25 bar [3.6 psi] Span ≥ 0.4 bar [5.8 psi]Stainless steel 316L NiCr alloy (Inconel)
Process connection with lower measuring flangeStainless steel 316L
Coating/Lining 2) 3)■ Without ■ PTFE ■ Hastelloy ■ Monel ■ Tantalum ■ Gold (only for diaphragm element) Other materials on request
Sealing 4)FPM/FKM, PTFE
Accuracy specifications
Accuracy class■ 1.6 1) ■ 2.5 2)
Temperature errorOn deviation from the reference conditions at the measuring system: ≤ ±0.8 %per 10 °C [≤ ±0.8 %per 18 °F] of full scale value
Reference conditions
Ambient temperature+20 °C [68 °F]
Scale range
mbar
-16 ... 0-250 ... 0
-40 ... 0-400 ... 0
-60 ... 0-600 ... 0
-100 ... 0-1,000 ... 0
-160 ... 0-
barpsi
-0.6 ... 0-15 inHg ... 0
-1 ... 0-30 inHg ... 0
View all (20)
Scale range
mbarbar
-5 ...+20-1 ... +0.6
-6 ...+10-1 ...+1
-10 ...+15-1 ... +1.5
-15 ...+25-1 ...+2
-20 ...+40-1 ...+3
-30 ...+30-1 ...+5
-40 ...+60-1 ...+9
-50 ...+200-1 ...+10
-60 ...+100-1 ...+15
-100 ...+150-1 ...+24
-125 ...+125psi
-150 ...+250-30 inHg ...+15
-250 ...+750-30 inHg ...+60
-400 ...+600-30 inHg ...+100
-500 ...+500-30 inHg ...+160
-600 ...+400-30 inHg ...+200
-750 ...+250-30 inHg ...+300
-800 ...+200-
Further details on: scale ranges
Unit■ bar ■ psi ■ mbar ■ kg/cm² ■ MPa
Overload safety 1)■ 40 bar ■ 100 bar ■ 400 bar, only for models 432.36 and 433.36 with scale range ≥ 0 ... 400 mbar 2)
Vacuum resistance■ Without ■ Vacuum-resistant to -1 bar
Dial
Scale layout■ Single scale ■ Dual scale
Scale colourSingle scaleBlack
Dual scaleBlack/red
MaterialAluminium
Customer-specific versionOther scales, e.g. with red mark, circular arcs or circular sectors, on request → Alternatively, adhesive label set for red and green circular arcs;see data sheet AC08.03
Instrument pointerAluminium, black
Process connection
Standard■ EN 837 ■ ANSI / ASME B1.20.1 ■ ASME B16.5 ■ EN 1092-1, form B
Size 1)
EN 837■ G½B ■ M20 x 1.5
ANSI / ASME B1.20.1■ ½NPT
ASME B16.5■ Open connecting flange 1" class 150, RF ■ Open connecting flange 2" class 150, RF ■ Open connecting flange 1" class 300, RF
EN 1092-1, form B■ Open connecting flange DN 25 PN 40 ■ Open connecting flange DN 50 PN 40
Materials (wetted)
Diaphragm element 2)Span ≤ 0.25 bar [3.6 psi]Stainless steel 316L
Span ≥ 0.4 bar [5.8 psi]NiCr alloy (Inconel)
Process connection with lower measuring flangeStainless steel 316L
Coating/Lining 3) 4)■ Without ■ PTFE ■ Hastelloy ■ Monel ■ Tantalum ■ Gold (only for diaphragmelement)
request
→ Other materials on
Sealing 5)FPM/FKM
Operating conditions
Medium temperature range■ +100 °C [+212 °F] maximum ■ +200 °C [+392 °F] maximum
Ambient temperature range■ -20 ...+60 °C [-4 ...+140 °F] ■ -40 ...+60 °C [-40 ...+140 °F] 1)
Storage temperature range-40 ...+70 °C [-4 ... 140 °F]
Pressure limitation
SteadyFull scale value
Fluctuating0.9 x full scale value
Ingress protection per IEC/EN 60529■ IP54 ■ IP65 2) ■ IP66 3) (ingress protection of the case)
LogoDescriptionRegion
EU declaration of conformity ATEX directive 1) Hazardous areasEuropean Union
EAC Hazardous areas 1)Eurasian Economic Community
Ex Ukraine Hazardous areas 1)Ukraine
PAC Kazakhstan Metrology, measurement technologyKazakhstan
-MChS Permission for commissioningKazakhstan
-PAC Ukraine Metrology, measurement technologyUkraine
PAC Uzbekistan Metrology, measurement technologyUzbekistan
-PAC China Metrology, measurement technologyChina
-CRN Safety (e.g. electr. safety, overpressure, ...)Canada
Certificates
Certificates■ 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, indication accuracy) ■ 3.1 inspection certificate per EN 10204 (e.g. material proof for wetted metal parts, indication accuracy)
Recommended calibration interval1 year (dependent on conditions of use)
Patent numberDescription
US Design D1051747S, CPC CN 01677074, DE Design 402022100171, EU Design 402022100171, IR Design DM/222416, EU 3D trademark 018659564Design patentWIKA blue identity
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]135 [5.31]27 [1.06]3.4 [7.5]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]135 [5.31]27 [1.06]1.7 [3.7]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]133 [5.24]27 [1.06]3.4 [7.5]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]133 [5.24]27 [1.06]1.7 [3.7]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]143 [5.63]22 [0.87]6.3 [13.9]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]135 [5.31]22 [0.87]1.8 [4]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]143 [5.63]22 [0.87]6.3 [13.9]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]101 [3.98]99 [3.90]133 [5.24]22 [0.87]1.8 [4]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]165 [6.5]27 [1.06]4 [8.8]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]165 [6.5]27 [1.06]2.2 [4.9]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]163 [6.42]27 [1.06]4 [8.8]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]163 [6.42]27 [1.06]2.2 [4.9]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]165 [6.5]27 [1.06]6.9 [15.2]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]173 [6.81]27 [1.06]2.3 [5.1]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]163 [6.42]27 [1.06]6.9 [15.2]
≥ 0.4 bar [5.8 psi]100 [3.94]15.5 [0.61]49.5 [1.95]17.5 [0.69]161 6.34]159 [6.26]171 [6.73]27 [1.06]2.3 [5.1]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]135 [5.31]27 [1.06]3.4 [7.5]
≥ 0.4 bar [5.8 psi]100 [3.94]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]135 [5.31]27 [1.06]1.7 [3.7]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]133 [5.24]27 [1.06]3.4 [7.5]
≥ 0.4 bar [5.8 psi]100 [3.94]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]133 [5.24]27 [1.06]1.7 [3.7]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]143 [5.63]22 [0.87]6.3 [13.9]
≥ 0.4 bar [5.8 psi]100 [3.94]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]135 [5.31]27 [1.06]1.8 [4]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]141 [5.55]22 [0.87]6.3 [13.9]
≥ 0.4 bar [5.8 psi]100 [3.94]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]133 [5.24]27 [1.06]1.8 [4]
Process connec- tion GScale rangeDimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≥ 0.4 bar [5.8 psi]128 [5.04]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]169 [6.65]22 [0.87]6.3 [13.9]
½NPT≥ 0.4 bar [5.8 psi]128 [5.04]24.5 [0.96]59 [2.32]17.5 [0.69]101 [3.98]99 [3.90]167 [6.57]22 [0.87]6.3 [13.9]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]165 [6.5]27 [1.06]4 [8.8]
≥ 0.4 bar [5.8 psi]100 [3.94]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]165 [6.5]27 [1.06]2.2 [4.9]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]163 [5.24]27 [1.06]4 [8.8]
≥ 0.4 bar [5.8 psi]100 [3.94]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]163 [5.24]27 [1.06]2.2 [4.9]
Process connec- tion GScale range 1)Dimensions in mm[in]Weight in kg [lb]
dabeD1D2h ± 2 [0.08]SW
G½B≤ 0.25 bar [3.6 psi]160 [6.3]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]173 [6.81]22 [0.87]6.9 [15.2]
≥ 0.4 bar [5.8 psi]100 [3.94]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]165 [6.5]27 [1.06]2.3 [5.1]
½NPT≤ 0.25 bar [3.6 psi]160 [6.3]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]171 [6.73]22 [0.87]6.9 [15.2]
≥ 0.4 bar [5.8 psi]100 [3.94]27 [1.06]65 [2.56]17.5 [0.69]161 6.34]159 [6.26]163 [6.42]27 [1.06]2.3 [5.1]