Hume Pipe Joint
- Hume Pipe Joint
- Other products for civil construction
Rubber ring provides a watertight seal around the connection part of hume concrete pipes to prevent water leakage.
It has enough flexibility to follow ground displacement, and durability is also excellent.
- Characteristics
- Specification
Accordance with tap water rubber
The material comforms to JIS K 6353 standard of rubber goods for water works, external pressure pipe comforms to fourth class, and internal pressure pipe comforms to first class A60.
Normal state properties
JIS K 6353
| Class Ⅳ | Class Ⅰ A | |
|---|---|---|
| Tensile Strength（MPa） | 9≦ | 18≦ |
| Elongation（%） | 400≦ | |
| Hardness（JIS-A） | A 50±5 | A 60±5 |
| Elongation at 7MPa Load（%） | - | ≦300 |
Aging Test
JIS K 6353
| Class Ⅳ | Class Ⅰ A | Remarks | |
|---|---|---|---|
| Tensile Strength Change（%） | ≦-25 | ≦-20 | 70℃×96hrs |
| Elongation Change（%） | -30 ~ +10 | ||
| Hardness Change (JIS-A) | 0 ~ +7 | ||
Others
JIS K 6353
| Class Ⅳ | Class Ⅰ A | Remarks | |
|---|---|---|---|
| Compression set（%） | ≦30 | ≦20 | 70℃×22hrs |
For B-type pipe
Length: 85% of the circumference around which the rubber ring is fitted
| ND | B | H | h1 | a | b | d | e | f | g | i |
|---|---|---|---|---|---|---|---|---|---|---|
| 150~250 | 20 | 10.5 | 2 | - | - | 6 | 3 | 2 | 4 | 5 |
| 300~350 | 22 | 12.0 | 2 | - | - | 8 | 3 | 2 | 4 | 5 |
| 400~600 | 24 | 12.0 | 4 | 2.5 | 5.5 | 7 | 3 | 3 | 5 | 5 |
| 700~1000 | 28 | 15.5 | 4 | 2.5 | 5.5 | 11 | 3 | 3 | 5 | 6 |
| 1100~1350 | 31 | 18.5 | 6 | 4.0 | 8.0 | 14 | 3 | 3 | 5 | 5 |
For C-type pipe
Length: 85% of the circumference around which the rubber ring is fitted
| ND | B | H | h1 | a | b | d | e | f | g | i |
|---|---|---|---|---|---|---|---|---|---|---|
| 1500~2000 | 24 | 14.5 | 5 | 2.5 | 6.5 | 8 | 3 | 3 | 4 | 5.5 |
| 2400~3000 | 26 | 17.0 | 6 | 3.0 | 8.0 | 9 | 3 | 3 | 5 | 6.0 |
For built-in collar type propulsion pipe
(center-extrusion pipe)
Length: 90% of the circumference around which the rubber ring is fitted
| ND | B | H | a | b | c | d |
|---|---|---|---|---|---|---|
| 800~1200 | 26 | 13.0 | 3.0 | 9 | 6.0 | 7 |
| 1350~2200 | 30 | 19.0 | 4.0 | 11 | 9.0 | 10 |
| 2400~3000 | 34 | 22.5 | 4.5 | 12 | 11.5 | 11 |
For built-in collar type propulsion pipe
(improved type)
Length: 85% of the circumference around which the rubber ring is fitted
| ND | B | H | h1 | a | b | e | f | g | i | j |
|---|---|---|---|---|---|---|---|---|---|---|
| 800~1200 | 50 | 15.0 | 2 | 4 | 10 | 27.0 | 2.0 | 4.0 | 3.0 | 5 |
| 1350~2200 | 50 | 20.0 | 3 | 4 | 10 | 25.5 | 2.0 | 4.5 | 3.0 | 6 |
| 2400~3000 | 60 | 23.5 | 5 | 5 | 12 | 31.5 | 2.5 | 5.0 | 3.5 | 7 |
For built-in collar type propulsion pipe
(small diameter pipe)
Length: 102% of the circumference around which the rubber ring is fitted
| ND | B | H | h1 | h2 | a | b | c | d | e |
| 200~500 | 28 | 11 | 5 | 3 | 1.5 | 9 | 7 | 5 | 2 |
| 600~700 | 36 | 13 | 6 | 5 | 2.5 | 8 | 11 | 6 | 3 |
Other products for civil construction
Rubber extrusion products used for mainly civil construction
Examples
Water-stop sealer for box culvert
Cable protectors
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Rubber & Flake Lining
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Rubber Hose
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Rubber & Plastic Extrusion
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Rubber Molding