procurement of various field instruments pertaining to plc system of central air conditioning plant ( acp 1 and acp 2 ) , ktps dvc procurement of various field instruments pertaining to plcsystem of central air conditioning plant ( acp 1 and acp 2 ) , ktps dvc , level switch , type- magnetically coupled float type , make- d k instruments pvt . ltd . , model- 3000 f mounting- horizontal , material- aisi ss 316 , ip-66 , switch type- snap action , contact form- 2 no + 2 nc , 0 . 25a at 220v dc , max . design pressure- 20kg/sq . cm , water line pressure switch , pressure switch type- 400 , range- 0 . 75 to 14 kg/cm2 , model no . - b4 64 s xsc x2108 x jl xcg xnh 14kg/cm2 , sensing element . - diaphragm- ss316 , make- indfos , switch rating- 15a , 250v ac , 6a 30v dc . , air pressure switch , duct mounting , make- siemens building system , model- qbm81-10 , range- ( 100 to 1000pa ) , set point knob , contact ratings- ac/dc 24v , 3 screw terminals , material- fibre glass reinforced polycarbonate , diaphagram- silicon , ip-54 . , flow switch , type- magnetically coupled vane actuated type , material- 316 ss , model- 2000 , make- d k instruments private limited , switch cover- cast al . weatheerproof as per ip-65 , switch type- hermetically sealed glass encapsulated reed switch , contact form- 2 no + 2 nc , maximum design pressure- 20kg/sq . cm for line size 125 nb & inserting length- 100 mm . , actuator for 3 way mixing valve make:- siemens building technologies , model-vxf31 . 65 + sqx62 ( 65 nb line ) , non spring return & modulating type , modulating control , body- grey cast iron , actuator power supply- 24 ac/50hz , va rating- 8 va , output signal- 4-20 ma , modulating actuator for the butterfly valve model;- em 90 make- honeywell valve size- 150 nb , valve model-v4bfw 16-150 , power supply- 220v ac , 50hz , torque- 90 nm , power consumption- 25 watt , ip- 67 waterproof , body material- aluminium alloy , modulating actuator for the butterfly valve model;- em 150 make- honeywell for valve size- 200 nb , valve model-v4bfw 16-200 , power supply- 220v ac , 50hz , torque- 150 nm , power consumption- 40 watt , ip- 67 waterproof , body material- aluminium alloy , flow meter , type- bypass rotameter , connection- 15 mm , model no . - bpd-ss-300-pg-3 , make- eureka industrial equipment pvt . ltd . , flow range- 96-480 cmh , operating pressure- 3-7 kg/sq . cm , operating temperature- 5-30 degree celsius , measuring tube- borosilicate glass , orifice plate- aisi 316 , scale- al . anodised . , flow switch , type- magnetically coupled vane actuated type , material- 316 ss , model- 2000 , make- d k instruments private limited , switch cover- cast al . weatheerproof as per ip-65 , switch type- hermetically sealed glass encapsulated reed switch , contact form- 2 no + 2 nc , maximum design pressure- 20kg/sq . cm for line size 200 nb & inserting length- 150 mm . , flow switch , type- magnetically coupled vane actuated type , material- 316 ss , model- 2000 , make- d k instruments private limited , switch cover- cast al . weatheerproof as per ip-65 , switch type- hermetically sealed glass encapsulated reed switch , contact form- 2 no + 2 nc , maximum design pressure- 20kg/sq . cm for line size 150 nb & inserting length- 125 mm . , actuator for 3 way mixing valve make:- siemens building technologies , model-vxf31 . 80 + sqx62 ( 80 nb line ) , non spring return & modulating type , modulating control , body- grey cast iron , actuator power supply- 24 ac/50hz , va rating- 8 va , output signal- 4-20 ma , actuator for 3 way mixing valve make:- siemens building technologies , model-vxf31 . 50 + sqx62 ( 50 nb line ) , non spring return & modulating type , modulating control , body- grey cast iron , actuator power supply- 24 ac/50hz , va rating- 8 va , output signal- 4-20 ma , flow meter , type- bypass rotameter , connection- 15 mm , model no . - bpd-ss-400-pg-3 , make- eureka industrial equipment pvt . ltd . , flow range- 150-750 cmh , operating pressure- 3-7 kg/sq . cm , operating temperature- 25-45 degree celsius , measuring tube- borosilicate glass , orifice plate- aisi 316 , scale- al . anodised . , air pressure switch , duct mounting , make- siemens building system , model- qbm81-5 , range- ( 50 to 500pa ) , set point knob , contact ratings- ac/dc 24v , 3 screw terminals , material- fibre glass reinforced polycarbonate , diaphagram- silicon , ip-54 . , cast iron balancing valve , body , bonnet & wheel: ( is : 210 , gr . fg-260 ) , stem & disc : aisi ss 410 , gland nut: en 8 , pressure test cocks: is 319 , type-1 , end connection : flanged to suit is 6392 , indicator plate: ss 304 , lock shield: is 1239 rating : pn 16 . size : 80 nb , cast iron balancing valve , body , bonnet & wheel: ( is : 210 , gr . fg-260 ) , stem & disc : aisi ss 410 , gland nut: en 8 , pressure test cocks: is 319 , type-1 , end connection : flanged to suit is 6392 , indicator plate: ss 304 , lock shield: is 1239 rating : pn 16 . size : 100 nb , cast iron balancing valve , body , bonnet & wheel: ( is : 210 , gr . fg-260 ) , stem & disc : aisi ss 410 , gland nut: en 8 , pressure test cocks: is 319 , type-1 , end connection : flanged to suit is 6392 , indicator plate: ss 304 , lock shield: is 1239 rating : pn 16 . size : 150 nb , humidity sensor , make- siemens building system , model- qfa3101 , sensor-capacitance type , measuring range- 0 to 100% rh , output- 4-20 ma ( 2 wire ) , operating voltage- dc 13 . 5--35v .