1. AAA brand Leaking Pipe Repair Clamps provide an economical and permanent method of repairing damage pipe from pin hole, impact damage, longitudinal crack leaks to full 360ºC circumferential breaks and our Repair Clamps are being installed in Water and Gas Supply Pipeline in over 100 Chinese Cities and some foreign countries including UK, Australia, Sri Lanka and so on.
2. Features of products :
- we choose the material of natural rubber from Vietnam for the production of gasket of repair clamps.
- we choose the material of pure pig iron for the production of body of repair clamps
- very easy to handle
- the large range of sizes of repair clamps available for your pipeline
3. The list of sizes :
| S/N | Suitable for | Size | Nominal Diameter | OD (outside diameter) |
| W-Pipe | Z-Pipe | C-Pipe | D-Pipe |
| 1 | Iron Pipe | Dg40 | 40 | 48.3 | 48.0 | | |
| 2 | Iron Pipe | Dg50 | 50 | 60.3 | 60.0 | | |
| 3 | Iron Pipe | Dg65 | 65 | 76.1 | 76.0 | | |
| 4 | Iron Pipe | Dg80 | 80 | 88.5 | 89.0 | 93.0 | 98.0 |
| 5 | Iron Pipe | Dg100 | 100 | 114.0 | 114.0 | 118.0 | 118.0 |
| 6 | Iron Pipe | Dg150 | 150 | 165.0 | 165.0 | 169.0 | 170.0 |
| 7 | Iron Pipe | Dg200 | 200 | 219.0 | 218.0 | 220.0 | 220.0 |
| 8 | Iron Pipe | Dg250 | 250 | 273.0 | | 271.6 | 274.0 |
| 9 | Iron Pipe | Dg300 | 300 | 325.0 | | 322.8 | 326.0 |
| 10 | Iron Pipe | Dg350 | 350 | | | 374.0 | 378.0 |
| 11 | Iron Pipe | Dg400 | 400 | 426.0 | | 425.6 | 429.0 |
| 12 | Iron Pipe | Dg450 | 450 | | | 476.8 | 480.0 |
| 13 | Iron Pipe | Dg500 | 500 | 530.0 | | 528.0 | 532.0 |
| 14 | Iron Pipe | Dg600 | 600 | | | 630.8 | 635.0 |
| 15 | Iron Pipe | Dg700 | 700 | | | 733.0 | 738.0 |
| 16 | Iron Pipe | Dg800 | 800 | | | 836.0 | 842.0 |
| 17 | Iron Pipe | Dg900 | 900 | | | 939.0 | 945.0 |
| 18 | Iron Pipe | Dg1000 | 1000 | | | 1041.0 | 1048.0 |
| 19 | Iron Pipe | Dg1200 | 1200 | | | 1246.0 | 1255.0 |
| 20 | Iron Pipe | Dg1400 | 1400 | | | | 1462.0 |
| 21 | Iron Pipe | Dg1600 | 1600 | | | | 1668.0 |
| | | | | | | | |
| 1 | Extended Iron Pipe | Dg80 | 80 | 88.5 | 89.0 | 93.0 | 98.0 |
| 2 | Extended Iron Pipe | Dg100 | 100 | 114.0 | 114.0 | 118.0 | 118.0 |
| 3 | Extended Iron Pipe | Dg150 | 150 | 165.0 | 165.0 | 169.0 | 170.0 |
| 4 | Extended Iron Pipe | Dg200 | 200 | 219.0 | 218.0 | 220.0 | 220.0 |
| 5 | Extended Iron Pipe | Dg250 | 250 | 273.0 | | 271.6 | 274.0 |
| 6 | Extended Iron Pipe | Dg300 | 300 | 325.0 | | 322.8 | 326.0 |
| 7 | Extended Iron Pipe | Dg400 | 400 | 426.0 | | 425.6 | 429.0 |
| 8 | Extended Iron Pipe | Dg500 | 500 | 530.0 | | 528.0 | 532.0 |
| 9 | Extended Iron Pipe | Dg600 | 600 | | | 630.8 | 635.0 |
| Note: |
| 1. W-Pipe: welded steel pipeline, Z-Pipe: zinc-plated steel pipeline |
| C-Pipe: cast iron pipeline, D-Pipe: ducitile iron pipeline. |
| S/N | Suitable for | Size | Nominal Diameter | OD (outside diameter) |
| SRCP | PRCP |
| | Stage 1 | Stage 3 |
| 1 | Concrete Pipe | Z100 | 100 | 150 | | |
| 2 | Concrete Pipe | Z150 | 150 | 200 | | |
| 3 | Concrete Pipe | Z200 | 200 | 260 | | |
| 4 | Concrete Pipe | Z250 | 250 | 320 | | |
| 5 | Concrete Pipe | Z300 | 300 | 380 | | |
| 6 | Concrete Pipe | Z400 | 400 | 490 | | |
| 7 | Concrete Pipe | Z500 | 500 | 610 | | |
| 8 | Concrete Pipe | Z500-3 | 500 | 610 | | |
| 9 | Concrete Pipe | Z600 | 600 | 720 | | |
| 10 | Concrete Pipe | Z800-1 | 800 | | 920 | |
| 11 | Concrete Pipe | Z800-3 | 800 | | | 940 |
| 12 | Concrete Pipe | Z900 | 900 | | 1030 | 1050 |
| 13 | Concrete Pipe | Z1000-1 | 1000 | | 1140 | |
| 14 | Concrete Pipe | Z1000-3 | 1000 | | | 1160 |
| 15 | Concrete Pipe | Z1200 | 1200 | | | |
| 16 | Concrete Pipe | Z1400 | 1400 | | | |
| | | | | | | |
| 1 | Extended Concrete Pipe | Zg300-3 | 300 | | | |
| 2 | Extended Concrete Pipe | Zg400-3 | 400 | | | |
| S/N | Suitable for | Size | OD |
| 1 | Plastic Pipe | P63 | 63 |
| 2 | Plastic Pipe | P75 | 75 |
| 3 | Plastic Pipe | P90 | 90 |
| 4 | Plastic Pipe | P110 | 110 |
| 5 | Plastic Pipe | P125 | 125 |
| 6 | Plastic Pipe | P160 | 160 |
| 7 | Plastic Pipe | P140 | 140 |
| 8 | Plastic Pipe | P160 | 160 |
| 9 | Plastic Pipe | P180 | 180 |
| 10 | Plastic Pipe | P200 | 200 |
| 11 | Plastic Pipe | P225 | 225 |
| 12 | Plastic Pipe | P250 | 250 |
| 13 | Plastic Pipe | P280 | 280 |
| 14 | Plastic Pipe | P315 | 315 |
| 15 | Plastic Pipe | P355 | 355 |
| 16 | Plastic Pipe | P400 | 400 |
| 17 | Plastic Pipe | P450 | 450 |
| 18 | Plastic Pipe | P500 | 500 |
| 19 | Plastic Pipe | P560 | 560 |
| 20 | Plastic Pipe | P630 | 630 |
| 21 | Plastic Pipe | P710 | 710 |
| 22 | Plastic Pipe | P800 | 800 |
Founded in March, 1994, Anhui Tongfa Equipment Co., Ltd is the professional manufacturer of the products for leaking pipe repairing and pipeline hot tapping in the city of Anqing in China
The company has the registered capital $ 17, 200, 000, the land 6000 square meters and the floor area 50000 square meters.
Our main business is the designing and the production of ductile iron repair clamp, pipeline hot tapping machine, tapping saddle, pipeline cutting machine used for water and gas pipeline.
Our products are suitable for steel pipe, cast iron pipe, ductile iron pipe, concrete pipe, PE, PVC pipe and so on.
We are the high-technology share-holding enterprise incorporating science research, industrial production and trade service.
As the leader in the pipeline equipments industry in China, we enjoy the good reputation in the pipeline related industries with 90 Chinese patents (12 Invention Patents, 43 Utility Model Patents and 35 Design Patents).
We got ISO9001: 2008 International Quality Management System Certified in the year of 2010.
The registered brand of our products is consist of AAA and the Chinese word "Huang Shan"
(Huang Shan is one of the most beautiful Chinese mountations which is near to our company).
Our products divided by 5 categories including DK6 multi-purposes electrical pipeline tapping machine series, DK8 mutil-purposes electrical automatic pipeline tapping machine series, WDG4 self-crawling electrical pipeline cutting machine series, full-section type coupling series and three way type pipeline clamp series, with over 1000 items in total.
We established the all-dimensional wide-ranging sales network which is suitable for the fast development of our company.
Our product are widely used for varied industries such as water supply, gas supply, heat supply, petrochemical industry and big or medium enterprises.
Now our products cover the market of nearly all cities in China and being exported to the global market of many countries such as Australia, Sri Lanka and etc.
Welcome to visit Anqing, China!
Welcome to visit our company for business cooperation!
