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Inside Temperature & RH Conditions for Industrial Processes

Inside Temperature & RH Conditions for Industrial Processes

Typical Inside Temperature & RH Conditions for Various Industrial Processes


Maintaining a constant temperature and relative humidity is always considered as an utmost important aspect for industries that are into preparing, processing and manufacturing. These requirements vary from process to process & product to product. Any deviation in these temperatures will cost more productivity and energy. There are few areas where industrial cooling is used in the process area but that doesn't have any effect on the process but used to maintain comfort conditions that indirectly increases the productivity of workman. But there are many areas where the temperature and RH plays a critical role in the process output quality. For example, the preparation of synthetic fibers or chemical compounds requires controlled levels of: temperature and humidity; high temperatures and low humidity generally results in increased drying rates.

Apart from supporting the process, one of the important aspect of safety is maintaining higher humidities above 55% almost avoids shock due to static electricity. This article presents you the typical design indoor temperature and RH values for different kinds of industrial processes. Please note that these are just the typical values to provide a fair idea and the exact conditions need to be established based on the actual on-ground requirements.

Industry

Process

Dry Bulb Temperature Range in Deg Fahrenheit

Relative Humidity Range in %

Abrasive

Manufacture

75 - 80

45 - 50

Bakery

Dough Mixer

75 – 80

40 – 50

Fermenting

75 - 82

70 – 75

Bread Cooler

70 – 80

80 – 85

Make up room

78 – 82

65 - 70

Cake Mixing

95 - 105

-

Biscuit / cracker preparation

60 – 65

50

Wrapping

60 – 65

60 – 65

Flour storage

70 – 75

50 – 65

Sugar Storage

80

35

Brewery

Grain Storage

80

60

Liquid Yeast Storage

32 - 34

75

 

Racking cellar

32 - 35

75

Candy – Chocolate

Candy Centres

80 - 85

40 – 50

 

Hand Dipping

60 – 65

50 – 55

 

Enrobing Packing

65

55

Candy - Hard

Mfg

75 – 80

30 – 40

 

Mixing & Cooling

75 – 80

40 – 45

 

Packing

65 – 75

40 – 45

 

Storage

65 – 75

45 - 50

 

Drying -  Jellies, Gums

120 - 150

15

Ceramics

Refractory

110 - 150

50 – 90

 

Molding

80

60 – 70

 

Clay storage

60 – 80

35 – 65

 

Decal & Decorating

75 - 80

45 - 50

Cereals

Packaging

75 – 80

45 – 50

Cosmetics

Mfg

65 – 70

 

Distilling

Grain Storage

60

35 – 40

 

Liquid Yeast storage

32 – 34

 

 

Mfg

60 – 75

45 – 60

Electrical Products

Electronic & Xray coils & Transformer Winding

72

15

 

Tube Assembly

68

40

 

Fuse & Cut-out Assembly

73

50

 

Cap winding

73

50

 

Conductor Wrapping

75

65 – 70

 

Lighting Arrestor

68

20 – 40

 

Circuit Breaker Assembly & Testing

76

30 - 60

 

Rectifiers

74

30 - 40

Glass

Vinyl Lam.

55

15

Leather

Veg Tanned Drying

70

75

 

Chrome Tanned Drying

120

75

 

Storage

50 – 60

40 - 60

Lenses - Optical

Grinding

80

50

Matches

Mfg

72 – 74

50

 

Drying

70 – 75

40

 

Storage

60 - 62

50

Pharmaceutical

Powder Storage before Mfg

70 - 80

30 – 35

 

Powder storage after Mfg

75 - 80

15 – 35

 

Milling

80

35

 

Tablet Compressing

70 - 80

40

 

Tablet Coating

80

35

 

Hypodermic Tablet

75 - 80

30

 

Colloids

70

30 – 50

 

Cough Syrup

80

40

 

Glandular Prod.

78 - 80

5 – 10

 

Gelatine Capsule

78

40 - 50

 

Capsule Storage

75

35 - 40

 

Liver Extract

70 – 80

20 – 30

Plastic

Thermosetting Compounds

80

25 - 30

Plywood

Hotpress resin

90

60

 

Cold press

90

15 – 25

Printing

Press Room

75 – 80

46 – 48

 

Stock Room

73 - 80

49 – 51

Refrigeration Equipment

Valve mfg

75

40

 

Compressor Assembly

70 – 76

30 - 45

 

Testing

65 – 82

47

Textile

Cotton Opening & picking

70 -75

55 – 70

 

Cotton Carding

83 – 87

50 – 55

 

Cotton Drawing & Raving

80

55 – 60

 

Cotton Spinning

80 - 85

60 - 70

 

Weaving                         

78 – 80

70 - 85

 

Cloth Room

75

65 - 70

 

Linen Weaving

80

80

 

Linen Carding

75 – 80

60

 

Woollen Pickers

80 - 85

60

 

Woolen Carding

80 - 85

65 – 70

 

Woollen Spinning

80 - 85

50 – 60

 

Woollen Dressing

75 - 80

60

 

Woollen Weaving Light Goods

80 - 85

55 – 70

 

Silk Dressing

80

60 - 65

 

Silk Weaving & Spinning

80

65 – 70

 

Silk Throwing

80

60

Knitting

Viscose

80

60

 

Celanese

80

70

 

Nylon

80

50 – 60

Tobacco

Cigar mfg

70 -75

55 – 65

 

Softening

90

85 – 88

 

Stemming & Stripping

75 – 85

75

 

Conditioning

75

75

 

Packing & Shipping

75

60


  

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