1.Brand; Dong Shou 2.material: carbon steel 3.Standard: ASTM A 16.5, ASTM A16.47,ISO,DIN,GB,BS

NAME	RF Flange
SHAPE	socket weld flange, threaded flange, lap joint flange, ring joint flange
Size	1/2"to 72"
Material	Carbon Steel, Stainless Steel, Alloy Steel
Types of face	RF, FF, RJ, Tongue&Groove Facing, etc.
Certificate	API, ASME, and ISO9001: 2000
Applications	petroleum, gas, chemical, metallurgy, electric station, shipbuilding, construction
Surface treatment	black painting, anti-rust varnish, anti-rust oil, hot-galvanized, etc.

  

RF Flange