产品详情
  • 产品名称:63SDL常数差流量控制器(Constant Differential Flow Controllers)

  • 产品型号:63SDL
  • 产品厂商:SIEMENS
  • 产品价格:0
  • 折扣价格:0
  • 产品文档:
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简单介绍:
Versatile and design accommodates liquids or gases and wide range of OEM needs Powder coating provides improved corrosion resistance
详情介绍:
Features & Benefits
      Versatile and design accommodates liquids or gases and wide range of OEM needs
      Powder coating provides improved corrosion resistance

Description
      The Series 63 Constant-Differential Relays are used in conjunction with an external needle valve to provide
constant volume flow rates of liquids or gases over a continuously adjustable range.
       For gas flow applications, compressibility must be considered if a constant mass flow is desired. Therefore, models are available for constant upstream or downstream reference pressure.
       For liquids, which are not compressible, the constant volume flow will also be a constant mass flow, regardless of
upstream or downstream pressures. As such, mass flow is independent of pressure changes.
       The relay’s needle valve determines rangeability and capacity. 
        Four models are available.

Specifications
Range Limits :@20 psig supply
                    Model 63BU & Model 63SU:Maximum: 1.1 scfm    Minimum: 0.01 scfm
                    Model 63BUL & Model 63SUL:Maximum: 2800 sccm    Minimum: 13 sccm
Supply Pressure:Minimum: At least 5 psi greater than the maximum downstream pressure of the needle valve-controller combination

Supply Pressure
Minimum: At least 5 psig greater than the maximum downstream pressure of the needle valve-controller combination

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