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 |
- Remote seal
- Mounting bracket with 316SS for 2" pipe mounting
- 3-way manifold valve (316SS, Monel)
- 5-way manifold valve (316SS, Monel)
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