High purity pressure gauge (BA grade)_P830 series (316L type)
P830 series (316L type)
產品介紹
Service intended
P830 series are specially designed for the high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry.
| Nominal diameter |
35 (1½"), 50 (2") and 63 mm (2½") |
| Accuracy |
Grade A : 50 (2") and 63 mm (2½") Grade B : 35 (1½"), 50 (2") and 63 mm (2½") |
| Scale range |
-0.1 ~ 0 to 0 ~ 28 MPa |
| Working pressure |
Steady pressure : 75 % of full scale value Fluctuating pressure : 67 % of full scale value |
| Working temperature |
Ambient : -40 ~ 65 °C Fluid : Max. 100 °C |
| Temperature effect |
Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately ±0.4 % per 10 ℃ of full scale |
Standard features
| Pressure connection |
Type 316L SS low mount or center back mount BA grade of surface finish ■ ¼" NPT male thread ■ VCR® male or female face seal fitting |
| Element |
Type 316L SS <6 MPa : C-type bourdon tube ≥6 MPa : Helical type bourdon tube |
| Case |
Type 304SS, Electropolished with pressure relief |
| Cover and window |
Twist-lock polycarbonate |
| Movement |
Stainless steel |
| Dial |
White aluminium with pointer stop pin With black/red lettering, Dual pressure scale (bar/psi) |
| Pointer |
Black painted aluminium alloy |
| Helium leak rate |
Tested to confirm leakage rates of less than 10 mbar • ℓ/sec |
| Option | 100 mm : P252 dimension |
| Certificates | ATEX Ex II GD c IIC TX |
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