P621, P622_Indicating type differential pressure switch
Service intended
P621 to P622 series are designed to measure differential pressure from 30 kPa ro 1.5 MPa at Max. working pressure up to 5 MPa.P621 to P622 series are designed to control and alarm for differential pressure, providing right time to replace air and sluge filter during the process.
| Nominal diameter | 150 mm |
| Accuracy | ±1.0% of full scale ±1.5% or ±1.6% of full scale |
| Scale range (MPa, kPa, bar) | 0~30 kPa to 0~50 kPa 0~0.1 MPa to 0~1.5 MPa |
| Max. Working pressure (Static pressure) | 5 MPa |
| Working temperature | Ambient : -20~65°C Fluid : Max. 100°C |
| Degree of protection | EN60529/IEC529/IP56 |
| 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 | Stainless steel (316SS) |
| Element | Single Bellows Stainless steel (316L SS) |
| Case | Black finished aluminium |
| Cover | Black finished aluminium Screwed type |
| Window | Glass |
| Dial | White aluminium with black graduations |
| Conduit connection | M20 x 1.5P |
| Contact | Contact rating: AC 250 V 3 A / 125 V 5 A DC 250 V 0.2 A / 125 V 0.4 A / 30 V 4 A Dielectric strength: AC 500 V / MIN Type: Micro contact, One and two SPDT |
| Pointer | Black painted aluminium alloy |
| 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 |
| Optional |
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