Material: Carbon Steel/Stainless Steel/Alloy Steel Pressure: PN6/PN10/PN16/PN25/PN40 Size: DN10-DN2000 etc. Product: TYPE 01/TYPE 02/TYPE 05/TYPE 11/TYPE 12/TYPE 13 Packing: Plywood Cases/Wooden Pallets/Other packaging according to customers requirements Technics: Forged Surface: Anti-rust black & yellow paint/anti-rust varnish/transparent anti-rust oil/ galvanized Certificate: API Q 5LD/ASME (U&PP)/CE/TUV/BV/ABS/LR/DNV/ ISO/CCS