모델명	:	232.25
	제조회사	:	WIKA
	원산지	:	GERMANY

국문 카다로그	국문 메뉴얼	영문 카다로그	영문 메뉴얼

Bourdon Tube Pressure Gauges
Hinged Ring Process Gauge 
316SS Wetted 
Parts
Type 232.25





Application

Pressure monitoring 
panels

Suitable for corrosive gaseous or liquid media that will not clog the 
pressure system or attack 316L SS parts.

Process industry: chemical/petrochemical, power stations, mining, on and 
offshore, environmental technology, mechanical engineering and plant 
construction 



Special Features

Hinged ring for access to adjustable pointer 
Positive pressure ranges to 20,000 psi 
Durable aluminum case and ring 


 









Standard Features
 





Design
ASME B40.100
Pressure connection
Material: 316L stainless 
steel
Lower back mount (LBM)
1/4” or 1/2” NPT with M4 internal 
tap

Sizes
4½” & 6” (115 & 147 mm) dial size
Bourdon tube
Material: 316L stainless steel
≤1,000 
psi: C-type
≥1,500 psi: helical

Accuracy class
± 0.5% of span(ASME B40.100 Grade 
2A)
± 1.0% of span(ASME B40.100 Grade 1A)

Movement
Stainless steel. Internal stop pin at 1.3 x 
full scale

Ranges
Vacuum / Compound to 200 psi
Pressure from 15 
psi to 20,000 psi
or other equivalent units of pressure
or vacuum
Dial
White aluminum with black lettering,
stop pin at 
6 o’clock

Working pressure
Steady: full scale 
value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale 
value
Pointer
Black aluminum, adjustable

Operating temperature
Ambient: -40°F to +140°F(-40°C to 
+60°C)
Medium: +212°F (+100°C) maximum
Case
Black-painted aluminum with 3
threaded mounting 
bolts. 
Solid front, blowout back safety case.
304 stainless steel blowout 
back plate.

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.
Hinged ring
Black-painted steel with knurled clamping 
screw

Weather protection
Weather resistant (NEMA 3 / 
IP54)