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Edwards Vacuum B43003000 QSB250P Quarter Valve, Pneumatic Operated

  • Brand Edwards Vacuum
  • Part # B43003000
  • Model # QSB250P
  • Condition
    Brand New
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    Edwards Vacuum, B43003000, QSB250P Quarter Swing Valve, Pneumatic Operated

    Features:

    • Double pneumatic operation
    • High conductivity
    • Resists atmosphere in either direction
    • Compact and quick-acting
    • Corrosion resistant construction

    The QSB quarter swing valves are compact, quick-acting, high-conductance isolation valves. The QSB valves have a polished, stainless steel, ISO flanged body with fluoroelastomer ‘O' ring sealed valve plate and shaft. The valve plate ‘O' ring groove is vented to help maintain a stable high vacuum. The valve shaft ‘O' rings and bearings are lubricated with Fomblin® grease to prevent gas bursts from behind the shaft seals.

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    Technical Details

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    General Product Information
    Connection Vacuum Inlet FlangeDN 63 ISO-F
    Weight27.0 kg
    Connection vacuum Outlet FlangeDN 250 ISO-F
    Recommended Pressure Range Minimum1.000 x 10-7 Pa
    Recommended Pressure Range Maximum3.000 x 105 Pa
    Leak Rate1.000 x 10-10 Pa x m3
    Valve Actuation MethodPneumatic
    Environmental Conditions
    Temperature Ambient Operation Minimum5.00 °C
    Temperature Ambient Storage Minimum0.000 °C
    Temperature Ambient Storage Maximum50.00 °C
    Performance Data
    Pressure Differential Maximum1.000 x 105 Pa
    Power Consumption Maximum6W
    Leak Rate Across Seat1.000 x 10-10 Pa x m3
    Operation Conditions - LimitationsISO250
    Temperature Baking Maximum200.00 °C
    Pressure Maximum3.000 x 105 Pa
    Reliability MTTF1.500 x 105
    Material of Construction
    Material BodyStainless Steel 1.4301 / 304 / X5 CrNi 18 10
    Material AbbreviationSt St
    Classification
    Product Pressure RangeHigh Vacuum - 1*10-3 - 1*10-7 mbar
    Notes

    * Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).

    Product Details
    General Product Information
    Connection Vacuum Inlet FlangeDN 63 ISO-F
    Weight27.0 kg
    Connection vacuum Outlet FlangeDN 250 ISO-F
    Recommended Pressure Range Minimum1.000 x 10-7 Pa
    Recommended Pressure Range Maximum3.000 x 105 Pa
    Leak Rate1.000 x 10-10 Pa x m3
    Valve Actuation MethodPneumatic
    Environmental Conditions
    Temperature Ambient Operation Minimum5.00 °C
    Temperature Ambient Storage Minimum0.000 °C
    Temperature Ambient Storage Maximum50.00 °C
    Performance Data
    Pressure Differential Maximum1.000 x 105 Pa
    Power Consumption Maximum6W
    Leak Rate Across Seat1.000 x 10-10 Pa x m3
    Operation Conditions - LimitationsISO250
    Temperature Baking Maximum200.00 °C
    Pressure Maximum3.000 x 105 Pa
    Reliability MTTF1.500 x 105
    Material of Construction
    Material BodyStainless Steel 1.4301 / 304 / X5 CrNi 18 10
    Material AbbreviationSt St
    Classification
    Product Pressure RangeHigh Vacuum - 1*10-3 - 1*10-7 mbar
    Note

    Note: Please read description carefully. Do not base your order on the picture presented.

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    Mega Solutions LLC
    1-855-969-9322
    1-908-282-3332 (Intl.)