¡î Standard millimeter scales with flow curves permit multiple fluid & gas use
     with a single tube. Scale Lengths: 65 mm, 150 mm
¡î Flow meter available with:
          No Valve
          Cartridge Valve
          Precision Control Valve
¡î Inlet valve Standard / Outlet valve available
¡î E-Z CHANGE design allows quick interchangeability
      of tube assemblies
¡î Glass tube allows compatibility with most gases and fluids
      Magnification lens

Series GR & GS is a borosilicate glass tube flowmeter for liquids or gases available in either 65 or 150 mm scale lengths with corresponding reference scales. Direct read scales are also available. Series GR & GS flowmeters can be configured with a standard or precision control valve on either the inlet, outlet or no valve at all; fittings can be specified in either aluminum or stainless steel; valves can be specified in either brass or stainless steel; O-rings and seals can be provided in Buna-N, Viton® or other optional elastomers.