The integral rubber dam, also known as a non-overlapping rubber dam, is made of framework material (Nylon Fabric) and inner and outer covering rubber according to the molding process and one-time vulcanization process.
There is no repeated process of secondary vulcanization and secondary splicing for the whole rubber part through the entire rubber dam body.
The thickness of the rubber membrane is even, the strength is consistent, there is no weakness in the lap joint section, and the safety factor is high.membrane.


1. Low cost and capital input, investment reduced by 30%-70%, save steel by 30%-50%, cement saved by about 50%, wood saved by over 60%.
2. Short construction period: air bladder installation generally need only 3-15 days, the project can be accomplished and attract benefits in the same year.
3. Dam body is made of flexible materials with shock resistance and foundation anti-deformation capability, good sealing effect, complete collapse capability, and no water resistance.
4. Used for urban river construction, the colors and beautiful styles are conductive to create features and beautify the environment.
5. The service life is designed up to 15 years, usually with less maintenance and management convenience.


The whole dam airbag, also called none overlap joints dam airbag. It produce according to the whole manufacturing technology, which realized by the super large curing press and the patented technology of folding and curing the sulfide. The whole dam bag has no second time splicing and vulcanization process, and the tensile strength of all directions can be consistent, so there is no obvious weak part, which will improve the safety greatly. The service life is fully guaranteed.
1. No weak parts in overlapping, obviously improved in performance, safety and reliability.
2. Flat dam airbag, without "knots" and "bump" phenomenon, more beautiful.
3. The production efficiency is greatly improved, and the delivery is short.
4. Reduce the cost, and increase the investment and comprehensive social benefits.

| DAM AIRBAG TECHNICAL PARAMETERS TABLE OF SUNNY RIDGE GAS-FILLING DAM | |||||||
| Dam airbag effective S-section circumference (L)m | |||||||
| 1.0 | 1.00 | 5.00 | SND1.0-100-3 | 3.48 | 0.60 | 10 | 45 |
| 1.5 | 1.00 | 11.25 | SND1.5-100-3 | 5.22 | 0.90 | 10 | 20.00 |
| 2.0 | 1.00 | 20.00 | SND2.0-120-3 | 6.96 | 1.20 | 10 | 13.50 |
| 2.5 | 1.00 | 31.25 | SND2.5-160-3 | 8.70 | 1.50 | 10 | 11.52 |
| 3.0 | 0.90 | 40.50 | SND3.0-200-3 | 10.58 | 1.92 | 12 | 11.11 |
| 3.5 | 0.80 | 49.00 | SND3.5-220-3 | 12.57 | 2.42 | 12 | 10.10 |
| 4.0 | 0.80 | 64.00 | SND4.0-360-3 | 14 | 2.76 | 14 | 12.66 |
| 1. Gas - filling dam airbag technology parameter table listed above is only for users ' selection reference , and the dam bladder types , with about ten varieties for each one , can satisfy customers ' production demand . | |||||||
| 2. The effective perimeter ( L ) of the dam airbag in the table , excluding the anchor length ; if the double anchor line dam bladder is effectively used , the ground length will be subtracted ( D ). D is the effective perimeter of bottom rubber sheet . The total required anchoring length is the perimeter of the dam airbag . | |||||||
| 3. Airbag rubber thickness : external coating is more than or equal to 2.5mm, the sandwich more than or equal to 0.5mm, the inner coating more than or equal to 2.0mm, and the total thickness of all coating layers is the tote ! thickness of rubber dam airbag . | |||||||

| INTERNAL VOLUME TABLE OF SUNNY WATER-FILLING RUBBER DAM | |||||
| o(m) | Single capacity of airbagm2/m | Gross capacity of airbag m2/m | |||
| 1.0 | 1.50 | 1.50 | 1.4403 | 1.4403xL | 150 |
| 1.5 | 1.50 | 2.25 | 3.2407 | 3.2407xL | 200 |
| 2.0 | 1.40 | 2.80 | 6.212 | 6.212xL | 200 |
| 2.5 | 1.40 | 3.50 | 9.7063 | 9.7063xL | 250 |
| 3.0 | 1.30 | 3.90 | 15.4836 | 15.4836xL | 300 |
| 3.5 | 1.30 | 4.55 | 21.0749 | 21.0749xL | 350 |
| 4.0 | 1.25 | 5.00 | 29.448 | 29.448xL | 400 |
| 4.5 | 1.25 | 5.63 | 37.2701 | 37.2701xL | 450 |
| 5.0 | 1.20 | 6.00 | 50.0825 | 50.0825xL | 500 |
| 5.5 | 1.10 | 6.05 | 79.6846 | 79.6846xL | 600 |

1 span ,5M height,161M in length

3 span ,2.5M in height m,195M dam in length
Yantai Sunny Rubber Co., Ltd established in 2005, located in Economic Development Area of Qixia City, Shandong Province. It is high-tech enterprise. Main products are pneumatically operated spillway gate, rubber dam, filter belt, conveyor belt, etc.
The workshop is 22,000 square meters, equipment 200 sets, worker 230. It owns 11 patents for invention, 18 patents for utility. With the full capacity of design, production, installation and after sales, more than 100 spillway gates were built by Sunny in domestic, for power plant impounding and river management. Our product also export to Italy, Thailand, Philippines, South Africa, Argentina etc.



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