Mechanical Pressure Measurement Bourdon Tube Pressure Gauges Stainless Steel Series Type 232.50 - Dry Case Type 233.50 - Liquid-filled Case WIKA Datasheet 23X.50 Applications „ With liquid-filled case for applications with high dynamic pressure pulsations or vibration „ 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 „ All stainless steel construction „ Positive pressure ranges to 20,000 psi Bourdon Tube Pressure Gauge Model 232.50 Standard Features Medium: +392°F (+200°C) maximum - dry Design +212°F (+100°C) maximum - liquid-filled ASME B40.100 & EN 837-1 Temperature error Sizes Additional error when temperature changes from reference 2½”, 4”, 4½” & 6” (63, 100, 115 and 160 mm) temperature of 68°F (20°C) ±0.4% for every 18°F (10°C) rising or falling. Percentage of span. Accuracy class 2½”: ± 2/1/2% of span (ASME B40.100 Grade A) Weather protection 4”, 4½” & 6”: ± 1.0% of span (ASME B40.100 Grade 1A) Weather tight (NEMA 4X / IP65) Ranges Pressure connection Vacuum / Compound to 200 psi Material: 316L stainless steel Pressure from 0/15 to 0/15,000 psi - 2½”, 4”, 4½” Lower mount (LM) or lower back mount (LBM) Pressure from 0/10 to 0/20,000 psi - 6” Center back mount (CBM) for 2½” size or other equivalent units of pressure or vacuum ¼” NPT or ½” NPT (other connections available) Working pressure Bourdon tube 2½”: Steady: ¾ scale value Material: 316L stainless steel 2 Fluctuating: /3 full-scale value 1,000 psi: C-type Short time: full-scale value 1,500 psi: helical type 4”, 4½” & 6”: Steady: full-scale value Movement Fluctuating: 0.9x full-scale value Stainless steel Short time: 1.3x full-scale value Dial Operating temperature White aluminum with black lettering; 2½” with stop pin Ambient: -40°F to +140°F (-40°C to +60°C) - dry -4°F to +140°F (-20°C to +60°C) - glycerine-filled Pointer -40°F to +140°F (-40°C to +60°C) - silicone-filled Black aluminum, adjustable WIKA Datasheet 23X.50 · 11/2011 Page 1 of 2 Case Optional extras „ Stainless steel „ Other pressure connections 2½”- with pressure relief/fill plug on top of case „ Monel wetted parts (Type 26X.50) 4”, 4½” and 6”- with blow out plug on back of case and „ Front flange, SS (CBM and LBM only) fill plug on top of case „ Rear flange, SS „ For pressure ranges < 160 psi, case has compensating „ U-clamp mounting, SS (not available on 4½”) valve/fill plug to vent case pressure „ Silicone or Halocarbon case filling „ Non-adjustable pointer Bezel ring „ Red drag pointer or mark pointer Stainless steel, bayonet-type „ Safety glass window „ Custom dial layout Window „ Other pressure scales available: bar, kPa, MPa, kg/cm² Polycarbonate (2½”) and Safety Glass (4”, 4½” & 6”) and dual scales with Buna-N gasket „ Integral alarm contacts or transmitters Case fill Glycerine 99.7% - Type 233.50 Dimensions Size 4 A B C D E G H J L M N S T W Weight³ 2½” mm 63 54 33 62 9.5 57 Note1 3.6 3 85 75 5 14 0.35 lb. dry in 2.48 2.13 1.30 2.44 0.37 2.24 0.14 0.12 3.35 2.95 0.20 1/4” 0.55 0.44 lb. filled 4” mm 101 86 49.5 99 15.5 83 30 4.8 3 132 116 5 22 1.32 lb. dry in 3.98 3.43 1.95 3.90 0.61 3.27 1.18 0.19 0.12 5.20 4.57 0.20 1/2” 0.87 1.98 lb. filled 4½” mm 121 97 49.5 119 15.5 83 30 5 3 148 137 5 22 1.76 lb. dry in 4.76 3.82 1.95 4.68 0.61 3.27 1.18 0.2 0.12 5.83 5.39 0.20 1/2” 0.87 3.08 lb. filled 6” mm 161 118 49.5² 163.71 15.5 83 50 5.8 3 196 178 5 22 2.42 lb. dry in 6.34 4.65 1.95² 6.45 0.61 3.27 1.97 0.23 0.12 7.72 7.01 0.20 1/2” 0.87 4.40 lb. filled ¹ Center back mount (CBM) ² Plus 0.63“ ( 16 mm) for pressure ranges > 1,500 psi ³ Weight without optional accessories 4 D (+) 1mm for panel cutout WIKA Datasheet 23X.50 · 11/2011 Page 2 of 2 Ordering information Pressure gauge model / Nominal size / Scale range / Size of connection / Optional extras required Specifications and dimensions given in this leaflet represent the state of engineering at the time of printing. Modifications may take place and materials specified may be replaced by others without prior notice. WIKA Instrument Corporation 1000 Wiegand Boulevard Lawrenceville, GA 30045 Tel (770) 513-8200 Toll-free 1-888-WIKA-USA Fax (770) 338-5118 E-Mail info@wika.com www.wika.com