About us:
DHDZ China are manufacturer of the High Quality Steel Flanges and Forgings based on different standards: ASME, JIS, BS, ISO, DIN, EN, SABs etc.
Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.
Forgings covers Blocks, Disks, Rings, Cylinders, Shafts, Tubes, Bars, other Customized forgings, etc..
Main Mateirals: Carbon Steel, Stainless Steel and Alloy steels;
International Standards: ASME, JIS, DIN, GB, BS, EN, AS, SABS, etc.
Standardization and Customization are both our advantages.
Certificate: ISO system, PED certificates, TUV certified.
Nearly 20 years experience;
clients from more than 15 Countries in EU, USA, Gulf area, UK, South America, AU, Asia, etc..
We will do our best to support you no matter big or small you are!
Quality Control:
1. Inspecting apparatus and equipment are tested and supervised by relevant national departments on a regular basis.
2. We conduct physical and chemical inspection to raw materials.
3. All links in production are examined and properly reported.
4. We conduct loading examination to the packaging which should be applicable to rust prevention and shipment.
5. We carry out random inspection to products in the storage.
6. Each step of inspection is recorded in both image and written form.
Name: |
ring |
Raw material: |
carbon/stainless/alloy steel |
Min size: |
Ø75/Ø15x12mm |
Max size: |
Ø5000/Ø4500x300mm |
Min weight: |
0.30kg |
Max weight: |
9000kg |
Heat treatment: |
Normalize/Quench/tempering |
Material |
Carbon steel |
Stainless steel |
Alloy steel |
|
C-276/UNS N10276 |
Dimension Standard
(DN15-DN4000mm) |
ANSI & ASWE (class 150-2500) |
DIN (6-40bar) |
JIS (5K -30K) |
BS EN1092-1 (6-40Bar) |
others |
TYPE |
1.Flat flange 2.Blind flange 3.Slip on 4.Lap joint flange 5.Welding neck Flange |
6.Socket welding 7.Threaded flange 8.Long welding neck flange. etc. |
Connection |
Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small-Tongue, Groove, etc |
Size |
1/2"-100" |
Package |
1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). |
2:As Customers' Requirements |
Certificate |
TUV,ISO9001:2015; |
Applications |
Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc. |