
Restrained Dismantling Joint
Description
Restrained dismantling joint provides an effective method for the installation and disassembly of the flange valve and is convenient for subsequent maintenance. Therefore, it is widely used in water treatment, sewage treatment, power generation, and pumping stations.
Technical Parameters
1-Drawing

2-Material Specification
Item No. | Item Name | Material |
1 | Long Flange Body | Ductile Iron |
2 | Short Flange Body | Ductile Iron |
3 | Middle Flange | Ductile Iron |
4 | Gasket | Rubber |
5 | Stud | Galvanized Steel |
6 | Washer | Galvanized Steel |
7 | Nut | Galvanized Steel |
3-Dimensions(mm)
Inch | DN | OD | D | K | b | L1 | D2 | L2 |
1-1/2" | 40 | 56 | 150 | 110 | 16 | 210 | 19 | 4-M16 |
2" | 50 | 66 | 165 | 125 | 16 | 210 | 19 | 4-M16 |
2-1/2" | 65 | 82 | 185 | 145 | 16 | 210 | 19 | 8-M16 |
3" | 80 | 98 | 200 | 160 | 16 | 210 | 19 | 8-M16 |
4" | 100 | 118 | 235 | 190 | 16 | 220 | 19 | 8-M20 |
5" | 125 | 144 | 270 | 220 | 16 | 220 | 23 | 8-M24 |
6" | 150 | 170 | 300 | 250 | 16 | 220 | 28 | 8-M24 |
8" | 200 | 222 | 360 | 310 | 17 | 250 | 28 | 12-M24 |
10" | 250 | 274 | 425 | 370 | 19 | 250 | 31 | 12-M27 |
12" | 300 | 326 | 485 | 430 | 20.5 | 270 | 31 | 16-M27 |
14" | 350 | 378 | 555 | 490 | 20.5 | 270 | 34 | 16-M30 |
16" | 400 | 429 | 620 | 550 | 20.5 | 280 | 37 | 16-M33 |
18" | 450 | 480 | 670 | 600 | 21.5 | 280 | 37 | 20-M33 |
20" | 500 | 532 | 730 | 660 | 22.5 | 290 | 37 | 20-M33 |
24" | 600 | 635 | 845 | 770 | 25 | 310 | 40 | 20-M36 |
28" | 700 | 738 | 960 | 875 | 27.5 | 310 | 43 | 24-M39 |
32" | 800 | 842 | 1085 | 990 | 30 | 320 | 49 | 24-M45 |
36" | 900 | 945 | 1185 | 1090 | 32.5 | 330 | 49 | 28-M45 |
40" | 1000 | 1048 | 1320 | 1210 | 35 | 350 | 56 | 28-M52 |
44" | 1100 | 1152 | 1420 | 1310 | 37.5 | 350 | 56 | 32-M52 |
48" | 1200 | 1255 | 1530 | 1420 | 40 | 360 | 56 | 32-M52 |
56" | 1400 | 1462 | 1755 | 1640 | 41 | 380 | 62 | 36-M52 |
60" | 1500 | 1565 | 1865 | 1750 | 42.5 | 410 | 62 | 36-M56 |
64" | 1600 | 1668 | 1975 | 1860 | 44 | 430 | 62 | 40-M56 |
72" | 1800 | 1872 | 2195 | 2070 | 47 | 430 | 70 | 44-M64 |
80" | 2000 | 2082 | 2425 | 2300 | 50 | 470 | 70 | 48-M64 |
The above drawings and parameters are for reference only, please consult us for exact data.
Features
1-Ductile Iron with FBE coated
2-PN25 working pressure
3-With galvanized steel bolts, nuts.
Packing And Delivery
Packing
Bubble film packing to protect EPOXY coating, then use standard wooden case or pallet to load goods.

Delivery
For stock products, we will send goods to you within 1-2 days after receiving the payment. If we don't have in stock, it will take around 15~25 days after receiving deposit.

FAQ
Q: Can I have my own logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but it requires certain minimum order quantity
Q: Can we visit your factory?
A: Yes, we welcome you to visit our factory anytime,we will pick you up from airport or train station to our factory.
Q: What's your terms of payment?
A: For payment ≤ 1000 USD, 100% in advance. For payment ≥ 1000 USD, 30% in advance, balance payment before loading.
Q: Can you arrange shipment for customer?
A: Yes, we are experienced in shipping, we work with the most reliable shipping companies in the world, such as Maersk, MSC, OOCL, and etc.
Q: Is your product tested before shipping?
A: Yes, we will do pressure test on site for every item before packing.
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