- Surface treatment
- Anti-rust Oil
- Weight of Sch 40
- Weight of Sch 80
- Wegith of Sch 160
- 88.9 mm
- Number of holes
welding neck pipe flanges 150lb 300lb 600lb 900lb
Heat Treatment of WN Flanges
Since 1983, Hebei Jinsheng Pipe Fitting Manufacturing Co.,Ltd has been engaged in the industry of produce and supply steel flanges for 36 years. The new brand, JS FITTINGS will bring all clients new purchase experience.
Lathe machine processing of WN Flanges
The annual output of JS flanges are about 1000 tons per month, size from DN 15 to DN 2000. Not only ASME B 16.5, also GOST, DIN, EN, BS, SABS, JIS can be supplied.
Details of Surface Treatment
Markets of different kinds of surface
1. The yellow painting is bright and dazzling, it is needed in the markets of South East of Asia and Africa.
2. Black painting is looks more seriesly than other color, it is needed in the markets of South east and mild east of Asia.
3. Anti-rust oil is popular in the most markets of the world, and it's the cheapest treatment way.
Specification of ASME B16.5 Flanges
Loading of WN Flanges