Sets out minimum requirements for the design, construction and performance of bulk milk cooling and storage systems on farms. The new edition of the Standard covers new developments such as larger storage vessels that may be installed externally and the use of pre-cooling equipment to cool milk, before milk enters the storage vessel.
Table of contents
Header
About this publication
PREFACE
1 GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 TYPES OF TANK
1.5 COOLING METHODS
1.6 COOLING PERFORMANCE
1.6.1 General
1.6.2 Freezing of milk
1.6.3 In an ambient temperature of 35°C
1.6.4 In an ambient temperature of 40°C
1.7 AGITATOR PERFORMANCE
1.7.1 General
1.7.2 Cooling cycle
1.7.3 Non-cooling cycle
1.7.4 Performance
2 MATERIALS, CONSTRUCTION AND CONTROLS
2.1 MATERIALS
2.2 CONSTRUCTION
2.2.1 General
2.2.2 Safety
2.2.3 Vessel
2.2.4 Outer casing
2.2.5 Thermal insulation
2.2.6 Tank supports
2.2.6.1 General
2.2.6.2 Solid plinth mounting
2.2.6.3 Adjustable supports
2.2.6.4 Ground clearance
2.2.6.5 Foundation
2.2.7 Levelling requirements
2.2.7.1 Level marks
2.2.7.2 Method of levelling
2.2.8 Stamping plug
2.2.9 Open-top tanks—Covers, bridges and brackets
2.2.10 Closed-top tanks—Fittings
2.2.10.1 General
2.2.10.2 Vent
2.2.10.3 Inspection light
2.2.10.4 Access hole
2.2.10.5 Sampling cock
2.2.10.6
2.2.11 Milk inlet
2.2.12 Outlet
2.2.13 Vacuum milk storage tank
2.3 CONTROLS
2.3.1 Milk temperature control
2.3.2 Agitation control
2.4 MEASURING EQUIPMENT
2.4.1 Instrument for measuring milk temperature
2.4.2 Devices for measuring milk volume
2.5 ELECTRICAL EQUIPMENT
2.5.1 General suitability for intended use
2.5.2 Motors
2.5.2.1 General
2.5.2.2 Rating test
2.5.3 Motor starters
2.5.4 Wiring
2.5.4.1 General
2.5.4.2 Flexible cords
2.5.4.3 Protection against damage
2.5.5 Earthing
2.5.5.1 Earthing terminal
2.5.5.2 Earthing conductor
2.5.6 Switches
2.5.6.1 General
2.5.6.2 Isolation switch
2.5.6.3 Pilot lamps
2.5.6.4 Duty selection switch
2.5.6.5 Manual agitator switch
2.5.6.6 Marking of electrical components
3 INFORMATION AND MARKING
3.1 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
3.2 INFORMATION TO BE MARKED ON TANK
3.3 INFORMATION TO BE MARKED ON EACH ITEM OF COOLING EQUIPMENT
