According to ISO2531, K=12, Double socket end, 90 deg, 45 deg, 22.5 deg, 11.25 deg bends.
Ydera Machinery Limited, as a big and professional manufactural and exporting company based in Shandong province of China, we have three foundries, and our main products are casting iron products for construction and water treatment field, typical products as below,
1) Ductile casting iron pipe, and fittings(Diameter from DN80 to DN2000mm), including Socket bend, Flanged bend, Socket and Flanged TEE, Flanged socket, Socket taper, blank flanges, as well as Flanged adapter, coupling, dismantling joints, PVC pipe fittings. As well as EPDM gasket rubber ring.
All of them are according to ISO2531/EN545/EN598/AWWA110/153. (PN10/PN16PN25/PN40)
2)Valve products such as Butterfly Valves, Gate Valves, Check Valves, Globe Valves, Strainers, in Grey Iron and Ductile Iron, by standard BS5163/BS5150/DIN3352/AWWA C509.
Hydrostatic Testing Standard
| Nominal dameter |
Test pressure(Bar) >=15second |
| 80-300 |
25 |
| 350-600 |
16 |
| 700-1000 |
10 |
| 1100-1200 |
10 |
| 1400-1600 |
10 |
| 1800-2000 |
10 |
| 2100-2600 |
10 |
Audited Supplier 
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