init_vacuum_variables Subroutine

  subroutine init_vacuum_variables
    !! Initialise module variables
    implicit none

    vacuum_model = 'old'
    niterpump = 0.0D0
    ntype = 1
    nvduct = 0
    dlscal = 0.0D0
    pbase = 5.0D-4
    prdiv = 0.36D0
    pumptp = 1.2155D22
    rat = 1.3D-8
    tn = 300.0D0
    vacdshm = 0.0D0
    vcdimax = 0.0D0
    vpumpn = 0
    dwell_pump = 0
    pumpareafraction = 0.0203D0
    pumpspeedmax = 27.3D0
    pumpspeedfactor = 0.167D0
    initialpressure = 1.0D0
    outgasindex = 1.0D0
    outgasfactor = 0.0235D0
  end subroutine init_vacuum_variables