Quote

• Model Number
  
  TW501 : Van Stone Stepped Barstock Thermowell
  
• Fixed Code
  
  0 : Fixed Code
  
• Bore Size / Stem
  
  D : 0.260 inch Std. for 1/4 inch Dia. Probe
  
• Thermowell Material
  
  SA : Stainless steel 316/316L dual certified
  
• Insertion Length 'U'
  
  040 : U=4.0 inch
  
• Lag Extension Length 'T'
  
  000 : 0 inch lag extension Std.
  
• NPS (DN) Size / Optional Lap Joint Flange
  
  011 : 1.0 inch (DN25) No Backing Flange
  
• Instrument Connection
  
  ED : 1/2 inch NPT female (std.)
  
• Face Surface Finish
  
  R1 : 125-250 u-in Ra (3.2-6.3 um) - Standard
  
• Options
  
  N : No options