IS 7090 : 1985 Guidelines for rapid mixing devices

1 Scope

1.1 This standard lays down design considerations, guidelinesfor materials and methods of construction of the following types ofrapid mixing devices:

a) Mechanical

i) Vane type mixer

ii) Propeller type mixer

iii) Jet type mixer

b) Hydraulic

i) Hydraulic jump

ii) Baffled channel

2 References

IS 2 :1960Rules for rounding off numerical values

IS 210 :1978Specification for grev iron castings

IS 260 :1969Specification for aluminium sulphate, non-ferric

IS 318 :1981Specification for leaded tin bronze ingots andcastings

IS 325 :1978Specification for three-phase induction motors

IS 1520 :1980Specification for horizontal centrifugal pumpsfor clear cold, fresh water

IS 1570 :1961Specification for schedules for wrought steelsfor general engineering purposes

IS 1730 : Part 1 : 1974 Dimensions for steel plate,sheet and strip forstructural and general engineering purposes:Part 1 Plates

IS 1870 :1965Specification for comparision of Indian andoverseas standards for wrought steels forgeneral engineering purposes

IS 2147 :1962Specification for degrees of protectionprovided by enclosures for low-voltageswitchgear and controlgear

IS 2644 : 1979Specification for high tensile steel castings

IS 4691 :1985Specification for degrees of protection providedby enclosures for rotating electrical machinery

IS 6362 :1971Specification for designation of methods ofcooling for rotating electrical machines

IS 8544 : Part 2 :1977 Specification for motor starters forvoltagesnot exceeding 1 000 V:Part 2 Star delta starters