Service intended
P770 series are equipped with the specially designed dry type diaphragm. This special diaphragm offers a unique capability to use with all types of liquids, high-viscosity fluids, solids, and even corrosive chemicals. P770 is a perfect solution for a wide range of process industry such as Petro-chemical, environmental technology, offshore, mechanical engineering, power stations, and plant construction.
| Nominal diameter |
100 and 160 mm |
| Accuracy |
±1.6% of full scale |
| Scale range |
0 ~ 1 kPa to 0 ~ 40 kPa (Flange 150 mm)
0 ~ 50 kPa to 0 ~ 2.5 MPa (Flange 100 mm) |
| Working pressure |
Steady : Full scale value
Fluctuating : 90 % of full scale value |
| Over range protection |
Overpressure safety 130 % of full scale value
Overpressure safety 500 % of full scale value, Max. 5 MPa (Option)
Opton : Overpressure safety 500 % of full scale value, Max. 5 MPa |
| Working temperature |
Ambient : -20 ~ 65 °C
Fluid : Max. 100 °C |
| Temperature effect |
Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.8 % per 10 ℃ of full scale |
Standard features
| Upper flange (Gauge side) |
Material : Stainless steel (304SS, 316SS) |
| Diaphragm material |
≤ 40 kPa : Stainless steel (316Ti SS)
> 40 kPa : Duratherm 600 |
| Pressure connection and under flange |
Material : Stainless steel
(316SS, 316L SS, 304SS, 304L SS) and others
Lower screw and flange mount |
| Case |
Stainless steel (304SS) |
| Cover |
Stainless steel (304SS) Bayonet type |
| Window |
Safety glass |
| Movement |
Stainless steel |
| Dial |
White aluminium with black graduations |
| Pointer |
Black painted aluminium alloy |
| Option |
External zero adjustable |
| Certificates |
ATEX Ex II GD c IIC TX |
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