Diaphragm pressure gauge with dry type_P770 series
P770 series
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 |
Đồng hồ đo áp suất P770 series Wise Vietnam
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