B3-CV11-B n of Article No and Article No supplement for Bevel-helical gear units B3

Flender/Flender Gear Units/Bevel-helical gear units B3

PELINE PROJECT TS NO.: MEC//2UU/0/2/0 Control & Instru mentation (&) Chapter-0.0 2, MECON Limited, All Right Reserved Page 7 of 1 .1 Rotameter Rotameter shall be provi ded with following features: Type : Variable area linear scale Fluid media : Water / oil Accuracy : 2 % Material body : Transparent toughened glass Indicator : Magnetic flow Indicator scale : Flow units or percent Accessories : Flange, orifi ce in case of bypass rotameter ( bove 5 mm) Material of float : SS 3 Housing protection class : IP 5 / IP 6 as per requirement Adjustment of indicator : Yes Rotameter shall be used for lo flow & low viscosity applicatio ns of liquid/gas. Limit switch along with the rotam eter shall be provided if requ ired and limit switch shall be of follo wing specifications: Type : Reed - contact with bi-stable switching Max. switching voltage : 2 Max. switching current : 0.6 Max. switching capacity : 1 VA Temperature range : - 1 0C to + 7C Protection : IP 6 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT TS NO.: MEC//2UU/0/2/0 Control & Instru mentation (&) Chapter-0.0 2, MECON Limited, All Right Reserved Page 7 of 1 Rotameters shall be as per ISA RP 1.1,2,3,4,5 and shall be sed for viscous or corrosive services or where rangeability in flow precludes the use of an orifice. Glass tube rotameters shall be sed for low-pressure utility se rvices for local indication and where line size is 1 (4 mm) or less. Glass tube shall not be used if outlet line is connected to ine or vessel containing hazardous or toxic fluid unless check valve is ins talled at the downstream side of rotameter. Metal tube rotameter shall be use for all process fluids. External devices for indicating or transmitting shall be magnetically cou