P660 Series_Differential pressure gauge with diaphragm element
Service intended
P660 gauge series are differential pressure gauge is designed to measure differential pressure from 4 kPa to 2.5 MPa at static pressure of 10, 25 MPa. A set of two stainless steel diaphragm mounted on a force balance allows direct reading of the actual differential pressure.
| Nominal diameter | 100 and 160 mm |
| Accuracy | ±1.0 % of full scale ±1.6 % of full scale |
| Scale range (MPa, kPa, bar, mbar) | 0 ~ 4 kPa to 0 ~ 40 kPa Flange size / DN 140, Max. static / 10 and 25 MPa 0 ~ 60 kPa to 0 ~ 2.5 MPa Flange size / DN80, Max. static / 25 MPa |
| Working temperature | Ambient : -20 ~ 65 °C Fluid : Max. 100 °C |
| Degree of protection | EN60529/IEC529/IP67 |
| Temperature effect | Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately ±0.5 % per 10 ℃ of full scale |
Standard features
| Pressure connection (Flange) | Stainless steel (316L SS) |
| Element | Diaphragm 316 Ti : Flange size / DN140 (Low side and high side) 316L SS : Flange size / DN80 (Low side ) / Duratherm 600 (High side) |
| Case and cover | Stainless steel (304SS) |
| Window | Safety glass |
| Dial | White aluminium with black graduations |
| Filling liquid for differential cell | Silicone oil |
| Pointer | Black painted aluminium alloy (Zero adjustable) |
| Process connection | ¼” NPT(F) ½” NPT(F) at 3-way and 5-way manifold valve |
| Standard accessories | Mounting bracket for 2″ pipe mounting with silver gray finished steel |
| Certificates | ATEX II 2G Ex h IIC T6…T1 Gb ATEX II 2D Ex h IIIC T85°C….T450°C Db |
| Option | ■ Remote seal – Not available with less than 40 kPa of differential pressure range ■ Mounting bracket with 316SS for 2″ pipe ■ 3-way and 5-way manifold valve ■ 3-way and 5-way manifold valve (Monel) |
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