Application
- For gaseous and liquid aggressive media that are not highly viscous or crystallizing. Also suitable in aggressive environments
- Monitoring and control of pumps
- Filter monitoring
- Level measurement in closed tanks
Product features
- Differential pressure measuring ranges from 0 … 6” WC (16 mbar)
- High working pressure (static pressure) up to 600 psi (40 bar)
- High overpressure safe up to 600 psi (40 bar)
- All welded media chamber
Specifications
Design
Lower mount process connections, highly corrosion-resistant all-metal construction, measuring cell protected against tampering. Location of process connection can be modified to mounting requirements. WIKA trade pattern DT – GM 86 08 176
Sizes
4” (100 mm)
6” (160 mm)
Accuracy Class
1.6
Ranges
0 … 6” WC (16 mbar) up to 0 … 360 psi (25 bar)
Scale range 0 …6” WC (25 bar): Scale length approx. 180 degrees of angle
Other equivalent differential pressure ranges or compound ranges available.
Working Pressure
Steady: full-scale value
Fluctuating: 0.9 x full-scale value
Operating Temperature
Ambient:-4°F…+140°F (-20…+60°C)
Medium: + 212°F (+100°C) maximum
Temperature error
Additioanal error when temperature changes from reference temperature of 68°F (20°C) ± 0.5% of span for every 18°F (10K°) rising or falling.
Ingress protection
NEMA 3 (IP 54 per EN 60529 / IEC 529)
NEMA 4 (IP 66) with liquid filling
Measuring chamber with process connection (wetted)
316 SS
lower mount (LM),
2 x ¼“ NPT female
Pressure elements (wetted)
≤ 100“ WC (250 mbar): 316 SS
> 100“ WC (250 mbar): NiCr-alloy (Inconel®)
Sealing bellows (wetted)
316 SS
Venting of the media chambers (wetted)
316 SS for scale ranges ≤ 100“ WC (250 mbar)
(optional for scale ranges > 100“ WC)
Movement
Stainless steel
Dial
Aluminium, white, black lettering
Pointer
Model 732.51: Adjustable pointer, aluminium, black
Model 733.51: Standard pointer, aluminium, black
Case
Stainless steel, with pressure relief disc
Window
Laminated safety glass
Bezel ring
Bayonet ring, stainless steel
Gauge Mounting
Pressure ports marked ⊕ and ⊖
⊕ high pressure
⊖ low pressure
Mounting by means of:
■ Direct mounting
■ Mounting holes in measuring flange
■ Front flange (optional)
■ Mounting bracket for wall or pipe mounting (optional)
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