Our company is in Weihai of Shandong China, a costal and livable city with an exquisite environment. Found in 2008, it is a professional manufacture intergrating reserching and designing all types of pipe couplings and repair clamps. With more than 20 products' patent and certifaications, it is recognized as a national high-tech enterprise, Our company has over 3, 000 square meters of standardized factory buildings, surpported by advanced production and testing quipment together with a professional team for R&D and production, escorting out clients' pipes for safe operations. Our products have been on sales among the Middle East, Southeast Asia, Russia and Europe or the Uniited States, etc. Recognized abd well commented in the makets at home and abroad.
We are looking for the the partner all over the world at the same time, if you are the consumer, distributor or angency, please contact us.
We look forward to working with you in the near future.
Product Characteristics
It is suitable for quick repair of the damage or leakage for straight pipes. Leaking stoppage works can be done with the pressure and without the welding. It's not limited by the pipe materials, away from the fire and explosion hazard. The sealant sleeves are available for the options according to the varied fluids and temperature in the pipes. It's sturdy and resistant to the corrosion,rapid and convenient to be installed, with no need to treat the pipes in particular, reducing labor costs by high cost-effectiveness.
Applications: pipeline repair in the fields such as oil field, chemical industry, water supply and drainage, factory, mines, fire-fighting, natural gas, shipbuilding, electric power, mechanical equipment, home etc.
| Norminal Diameter |
Diameter Range of pipe |
Norminal Pressure of ships |
Length |
Bolt |
Bolt Torque |
| OD(mm) |
ODmin-ODmax(mm) |
WP (bar) |
S(mm) |
L(mm) |
M |
Nm |
| DN20 |
25 27 |
30 |
60 |
100 |
8 |
15 |
| DN25 |
32 34 |
30 |
60 |
100 |
8 |
15 |
| DN32 |
40 42 44.5 |
30 |
60 |
100 |
8 |
20 |
| DN40 |
48 54 |
30 |
60 |
100 |
8 |
20 |
| DN50 |
57 60 63 |
30 |
80 |
140 |
8 |
30 |
| DN65 |
76 |
28 |
80 |
140 |
8 |
30 |
| DN80 |
89 98 |
28 |
105 |
203 |
10 |
50 |
| DN100 |
108 110 114 118 |
25 |
105 |
203 |
12 |
50 |
| DN125 |
133 140 |
25 |
115 |
203 |
14 |
80 |
| DN150 |
159 168 180 |
24 |
115 |
203 |
14 |
80 |
| DN200 |
219 222 225 200 |
16 |
155 |
255 |
14 |
100 |
| DN250 |
250 273 280 |
16 |
155 |
255 |
14 |
100 |
| DN300 |
315 325 |
14 |
155 |
255 |
14 |
100 |
| DN350 |
355 377 |
14 |
155 |
255 |
14 |
100 |
| DN400 |
406 426 429 |
12 |
155 |
255 |
14 |
120 |
| DN450 |
450 457 478 |
12 |
155 |
255 |
14 |
120 |
| DN500 |
508 529 532 500 |
10 |
155 |
255 |
14 |
120 |
FAQ
1,Are you a factory or a trading company?
We are a professional manufacture, founded in 2008.
2, How to place an order?
Inquire with us → Customize with drawings or samples → Inform us of usage scenarios → Receive our product design recommendations → Negotiate details → Confirm samples → Sign contract/pay deposit → Mass production → Goods ready → Settle balance/delivery → Further cooperation.
3,What about sample orders?
Samples can be provided. Please contact us for details. We can offer you 1 sample for each style for free, the buyer afford the shipping cost.
4, What shipping methods are available?
Sea freight, China Express, and express shipping are available. Other shipping methods can also be arranged. Please contact us if you need another shipping route.
5,How long is the delivery production and shipping time?
The delivery time depends on the quantity of your order. It usually takes 3-30 working days.
6,Some products are missing from my package. What should I do?
Please contact our support team. We will verify your order contents with the packaging and compensate or reship accordingly. We apologize for the inconvenience.
7,How to confirm payment?
We accept wire transfers, PayPal, and other payment methods. Please contact us before making payment through other methods. Additionally, a deposit of 30% is acceptable, and the balance should be paid before shipment.
Audited Supplier 
){kind=link}