Henan Wein Industry Co., Ltd.
| Payment Terms | L/C, T/T |
| Delivery Time | 30DAYS |
| Packaging Details | bundled with steel belts or in bulk |
| Size | DN80-DN2000mm |
| Material | GGG450-10 or Ductile iron |
| Head code | other |
| accessory | hook and lock |
| usage | waterline |
| casting method | centrifugal |
| Model Number | DN80-2600 |
| Certification | ISO2531,EN545/598,WRAS,SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 30DAYS |
| Packaging Details | bundled with steel belts or in bulk | Size | DN80-DN2000mm |
| Material | GGG450-10 or Ductile iron | Head code | other |
| accessory | hook and lock | usage | waterline |
| casting method | centrifugal | Model Number | DN80-2600 |
| Certification | ISO2531,EN545/598,WRAS,SGS | Place of Origin | CHINA |
| High Light | restrained joint pipe ，ductile iron restrained joint | ||
Waterline Ductile Iron Cement Lined Steel Pipe Dismantling Joint Type Tube
Self-Restrained joint ductile iron pipe:
Restrained joint in which means provided to prevent separation of the assembled joint. All restrained joints shall be
designed to be at least semi-flexible. Produce according to the customer’s requirement.
| Allowable pressures of components with flanged joints | |||
| Pressure class | Maximum allowable | Allowable site test | Allowable site test |
| PN | operating pressure | pressure | pressure |
| PMA | PEA | PEA | |
| bar | bar | bar | bar |
| 10 | 12 | 17 | 17 |
| 16 | 20 | 25 | 25 |
| 25 | 30 | 35 | 35 |
| 40 | 48 | 53 | 53 |
| Table 3 — Allowable pressures for socketed fittings | |||
| Nominal size | Allowable operating | Maximum allowable | Allowable site test |
| pressure | operating pressure | pressure | |
| DN | PFA | PMA | PEA |
| bar | bar | bar | |
| 40 to 200 | 64 | 77 | 82 |
| 250 to 350 | 50 | 60 | 65 |
| 400 to 600 | 40 | 48 | 53 |
| 700 to 1400 | 30 | 36 | 41 |
| 1500 to 2600 | 25 | 30 | 35 |
Chemical composition: (%)
a) C: 3.5 - 4.0
b) Si: 1.9 - 2.6
c) Mn:0.15 - 0.45
c) P: <0.06
d) S: <0.02
Mechanical properties
a) Tensile strength: ≥420MPa
b) Yield strength: ≥300Mpa
c) Hardness: ≤230HB
d) Elongation%: DN80 - 1000 ≥10 DN1200 - 2200 ≥7
Specifications:
1) Effective length: in general, the pipe length is 6m for bulk shipment and 5.7m for container shipment.
2) Internal lining: cement mortar lining as per ISO4179
3 Zinc coating: at least 130g/m2 as per ISO 8179
4) Bitumen painting: at least 70um as per ISO 8179
5) Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber ring as per ISO4633
6) Process and testing:
a) Induction furnace and treated metal (Chemical analysis of raw material, spheroidizing & Nodularity)
b) Casting (Visual check and weight check)
c) Heat treatment (Micro structure)
d) Hydrostatic test (Pressure test)
e) Dimensional checks (Checking pipe length and joint, OD, wall thickness, appearance)
f) Zinc spraying (Thickness testing)
g) Lining and coating (100% visual check, thickness testing randomly)
i) Marking and packing (100% visual check)
Usage:
Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water and sewer lines. Ductile cast iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel. Ductile Iron Pipe is the most widely-used pipeline product in water supply and water drain/sewage projects.
Our advantages:
There are lots of qualified managers and technicians, and a well-trained team of after-sales service, which provides all services of manufacture, package, transportation and installation. We are looking forward to cooperating with friends from abroad and home creating a brighter future.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller
Year Established:
2004
Total Annual:
5000000-10000000
Employee Number:
>100
Ecer Certification：
Active Member
HENAN WEIN INDUSTRY CO.,LTD. is located in the famous commercial and historical city—Zhengzhou, and its registered capital is RMB 5,000,000 Yuan.WEIN is a joint-stock company, which focuses on ductile iron pipes & fittings both in domestic and overseas market. Our company offers h... HENAN WEIN INDUSTRY CO.,LTD. is located in the famous commercial and historical city—Zhengzhou, and its registered capital is RMB 5,000,000 Yuan.WEIN is a joint-stock company, which focuses on ductile iron pipes & fittings both in domestic and overseas market. Our company offers h...
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