Pipe Size:- 40 NB to 300 NB Flow range :- For Air :- 250 NM3/Hr to 47000 NM3/Hr For Water :- 8 M3/Hr to 1500 M3/Hr Accuracy:- For Rotameter:- 2% FS / For assembly 4% FS Aher calibrating on site. Standard Features: • Easy to Maintain • Most Economical - Low cost • Line Size: 40 NB to 300 NB • Flow Range: For Air - 250NM3/Hr to 47000 NM3/Hr. For Water - 8M3/Hr to 1500 M3/Hr Technical Specifications: • Orifice Plate:- For Main Pipe designed as per ISO-5167 • MOC for Main Orifice Plate: Ss316 • Rotameter in By-Pass Line designed As Per ISA-RP16.1,2, • Range Orifice Plate is in Proportion to Main Orifice Plate