Standard Jis 5k Carbon Steel Pipe Blind Flange
Welcome to SYI Group
Standard Jis 5k Carbon Steel Pipe Blind Flange

- JIS B2220
| Material | Carbon steel: S20C S25C SS400 SF440A | ||||
| Stainless steel: SUS F304L SUSF316L SS321 | |||||
| Standard | JIS B2220 | ||||
| Surface | Rust-proof oil, Black, Yellow, Galvanized | ||||
| Type | Welding Neck/Plate | ||||
| Flange facing | Raised face , Flat face, Ring Joint face,etc | ||||
| Size | DN10-DN1500 |
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| Process | Free forging, plate cutting |
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| Pressure | JIS :20K-40K / 5K-10K / 10K-40K | ||||
| Connection | Threaded /Welding | ||||
| Technical | Forged |
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| Package | Wooden case,Cartons, Pallets or crates according to buyer's requirements. |
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| Delivery | It depend on demand quantity | ||||
| Certificate | TUV, ISO9001 | ||||
| Applications | Steam, air, gas and oil pipes or for many other fluids | ||||

- Introduction
SYI manufactures a full range of forged steel pressure flanges, which are manufactured in accordance
with DIN, BS, ANSI, AS, JIS and other industry standards. Whenever you need special flanges i.e. high
alloy, low temperature, high strength, high pressure, specialized dimensions and etc.
- SYI Flange is your answer!
We have manufactured flanges for over 20 years. SYI specializes in supplying specialty flanges to the
world's most demanding industries - Oil and Gas Exploration and Production, Oil Refining and
Processing, Petrochemical, Chemical, Plumbing and HVAC.
| Materials | Flange Specifications | Types of Flange |
Carbon steel |
ANSI B16.5 |
Weldneck |
By using the most modern equipments combined with the latest technology in forging, SYI Flange
illustrates its commitment and longevity in the industry. With forging, plate cutting and bending, we
are able to manufacture flanges from sizes DN10 to Dn5000.
Our trained technicians, operational managers and production staff assure only quality flanges worthy
of the SYI trademark. SYI is certified to the quality standard ISO 9001 : 2000. We are approved by
many end-users worldwide.

- Manufacture Process
Standard Jis 5k Carbon Steel Pipe Blind Flange
- Quality Control
Standard Jis 5k Carbon Steel Pipe Blind Flange
- Flanges
Standard Jis 5k Carbon Steel Pipe Blind Flange

Standard Jis 5k Carbon Steel Pipe Blind Flange
More certification ... (Contact us)

SYI Industrial Co., Ltd.
1. Email: wang# (# = @)
2. Tel: 0086 351 4182605
3. Fax: 0086 351 4040962
4.Website:
You will get our quick reply!
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