TOP CHAIN
Table 1 must be referred to when selecting chain and the liner materials to be used with top chain. The table shows the results of lab tests at 68 F. It is to be used for reference only and does Table 1 - Corrosion Resistance to Various Fluids
Selection and Engineering Information
Stainless Steel
Ultra-High Polymer Polyethylene
Materials
Specifications
Fluid
Steel
Polyacetal
304
430
Suggested Max. Speed (ft./Min)
Chain Type
Acetone
3 1 1 2 3 3 3 3 3 1 3 1 1 3 3 3 2 3 3 3 2 1 1 3 1 1 1 3 2 3 3 3 1
1 1 1 1 1 3 2 3 3 1 3 1 1 1 2 3 1 3 1 3 1 1 1 1 1 1 1 1 1 3 3 3 1
1 1 1 1 2 3 2 1 1 1 3 1 1 1 1 1 2 1 2 3 1 1 1 1 1 1 1 1 1 3 3 2 1
1 1 1 1 2 3 3 1 1 1 3 1 1 3 2 1 2 1 2 3 1 1 1 2 1 1 1 1 1 3 3 3 1
1 1 1 1 1 3 1 1 1 2 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 2 1 1 3 3 1 1
Feature
Applications
Max. Allowable Load (Lbs.)
Chain/Pin
Top Plate
Oils (Vegetable and Mineral)
Ambient Temp.
Lubricated Dry
Alcohol
Aqueous ammonia Sodium Chloride
Linear Movement
TS-P
Carbon Steel
430 Stainless Steel
660
390
200
15 30
Type P: Suitable for single strand
Hydrochloric Acid (2%)
Type SS: Suitable for multi-strand operation and corrosive environment
Sea Water
TS-SS
304 Stainless Steel
304 Stainless Steel
231
23
150
4 750
Assembly line for bottling or canning, and conveying tons or parts
Hydrogen Peroxide Caustic Soda (25%)
Hardened Carbon Steel
TS-CS
430 Stainless Steel
1,100
390
200
15 350
Type CS: Suitable for heavy load operation
Gasoline
TT-N
304 Stainless Steel
430 Stainless Steel
330
15 500
Simple construction, washable, clean-handling, and anti-corrosive Self-lubrication, quiet operation. Anti-corrosive, suitable for transportation of small size goods due to small clearance between top plates.
330
200
Formic Acid
TT-SS
304 Stainless Steel
484
4 750
Formic Acid Aldehyde
TP
264
Milk
304 Stainless Steel
330
160
4 170
TTP
187
Lactic Acid Citric Acid
Conveying steel, cans, finished parts, paper packages, etc.
TN
Carbon Steel
1,410
390
200
15 170
Damage-free, quiet operation. Smooth transportation, easy removal of top plate. Easy repair.
Polyacetal Resin
Acetic Acid (5%)
TN-NP
Nickel-Plated
Carbon Tetrachloride Nitric Acid (5%) Rice vinegar (5%) Hypochlorite Soda
TN-S
304 Stainless Steel
231
230
150
4 170
40P, 2040P: 100 60P: 200
Quiet and trouble-free operation with anti-corrosive protection. Also available in “E”, “K”, “Y”, and “SY” Series.
Conveying electronic parts and small items.
P
304 Stainless Steel
200
200
4 170
Curved Movement
Soapy Water
TRU
Carbon Steel
430 Stainless Steel
902
330
200
15 350
Float-prevention tab allows high speed, complex, and curved transportation
Paraffin
TRU-SS
304 Stainless Steel
231
230
4 750
Curved operation for type TS and TT.
Beer
150
Easy removal of chain. Used for low speed and simple curved operation.
Fruit Juice
TKU
Carbon Steel
430 Stainless Steel
638
150
15 350
Wine
TTU
304 Stainless Steel
484
4 750
Same features as TT - used for curved operation.
Curved operation for TT
Whiskey Benzene
260
160
TPU
304 Stainless Steel
220
4 170
Same features as TP and TRU.
Curved operation for TP
TNU
Carbon Steel
Polyacetal Resin
Water
902
330
200
15 170
Used for simple curved operation. TN type side bow feature.
Curved operation for TN
TNU-NP
Nickel-Plated
Vegetable Juice
Iodine
Any horizontal curved operation is possible. Min radius: 4”. Complex curved operation is available. Any return such as straight/curved line on horizontal or verti- cal route is available. Complex curved operation available.
TO
660
Sulfuric Acid
Suitable for horizontal curved operations.
Carbon Steel
430 Stainless Steel
200
200
15 350
Phosphoric Acid
TU
220
Soft Drinks
1 = Totally Resistant 2 = Partially resistant 3 = Not suggested
Top Plate Selection Process
Step 1 Establish general conveyor conditions
Step 2 - Select Top Plate Material Top plate must be selected according to the type of goods to be moved. Table II: Plate Material Selection Guide
A Materials conveyed
C Other conditions
Follow the procedure below to select top chain and liner that are most economical and suitable for the application
1 - Container material
1 - Conveyor capacity
Dry
Lubricated
Step 1 Establish general conveyor conditions.
2 - Weight
2 - Interval
Material Conveyed
Top Plate Material
Abrasive Atmosphere
Step 2 Select top plate material Step 3 Select liner material
3 - Dimensions
3 - Conveyor Speed
No
Yes
No
Yes
B Conveyor Arrangement
4 - Lubrication requirements 5 - Material conveyance regularity
Tin cans, aluminum cans, metal containers, Industrial parts, machine parts, dies, castings, forgings, bolts, nuts, etc. Plastics and plastic covered containers and paper products. Milk products, paper containers, paper boards.
Polyacetal
O
X
O
Step 4 Determine factors and coefficients
1 - Straight or curved movement
Stainless Steel
O
O
Step 5 Select top plate width Step 6 Calculate tension Step 7 Determine chain size.
2 - Conveyor length
D Environment
Polyacetal
X
3 - Layout
1 - Temperature
4 - Space limitations
2 - Presence of chemical substances 3 - Existence of wear-causing agents such as class, paint, metal, powder or sand.
Stainless Steel
O
O
O
O
Polyacetal
X O
X O
Glass jars, glass products, ceramics
Stainless Steel
O
O
Limited Use
O = Suggested X = Suggested
Good
269
270
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