WISE(P820)


Description

The P820 Series specifically designed for ultra high purity gas distribution system used in semiconductor industry and electronic, medical, biotechnology, pharmaceutical industry.


Product Information
    Service intended
    P820 series are specifically designed for the uitra purity gas distribution system used in semiconductor electronic, medical, biotechnology and pharmaceutical industry.
    Nominal diameter
    50 (2") and 63 mm (2½")
    Accuracy
    • Grade A (ASME B40.1) : 50 (2") and 63 mm (2½")
    • Grade B (ASME B40.1) : 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
    Pressure connection
    Type 316L SS electropolished
    low mount or center back mount
    surface finish Ra≤0.25㎛
    ¼" NPT male thread
    VCRⓡ male or female face seal fitting
    Element
    Type 316L stainless steel
    <6 MPa : C-type bourdon tube
    ≥6 MPa : Helical type bourdon tube
    Case
    Type 304 SS
    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 10-9 mbar • ℓ/sec
    Certificates
    ATEX Ex II GD c IIC TX