Telelin makes By-Pass Type Rotameter Complete Assemblies are recommended for large flows in 2” & above size pipe lines, where direct on-line Rotameter is not possible for becoming very costly due to non availability of required dia. Tube or large dia. Tube respectively. Assembly consists of 

a) A pair of 38mm thick orifice flanges with ½” BSP female pressure tapings 
b) A precisely bored & finished orifice plate 
c) Necessary by-pass piping 
d) 2 Nos. Isolating valves 
e) A rotameter in By- Pass line with range orifice plate. All items assembled together as shown in Pic. 1 & 2 above MOC as required by fluid / client. By pass piping design (position) differs for vertical installation & horizontal Installation. 

Details required for submitting offer :   

a) Piping position / Flow direction i.e. vertical: Upward / Downward. Horizontal : Left to right or right to left 
b) Line size, exact I.D. & O.D. or Pipe schedule 
c) Fluid Name, OP. Temp, OP. Pressure, OP. SP. GR. / Density, OP. Viscosity 
d) Minimum & Maximum Flow, Special details if any.