Appearance :White powder
FREE-VALVE’s manual wafer type ceramic butterfly valves were operated in the harshest control environments and offers excellent resistant to cavitation which
Warranty: 2 Years Input Voltage(V):165-265 Luminous Efficiency(lm/w):100-180LM/W Ra:70/80
Warranty: 2Years Input Voltage(V):165-265 Luminous Efficiency(lm/w):100-180LM/W Ra:70/80 Working Temperature(℃): -20 - 45
High Quality  LED T8 Glass Tube  10W 14W 18W 20W  Energy Saving Solar Lamp With CE RoHs   Specificaitions
FREE-VALVE’s Wafer type Double Offset High Performance Butterfly Valves are double offset structure and can be used for shut-off and throttling control. 
ASTM A242 steel
A242 type 1 low alloy high strength steel manufacturer 
A515 65
ASTM A515 pressure vessel steel standard is a specification which indicates A515 60 [415], A515 65 [450], A515 70 [485] carbon-silicon steel
Q355GNH plate
Q355GNH material is a Chinese steel grade to GB/T 4171-2008 atmospheric corrosion resisting structural steel.
As a alloy steel plate supplier and exporter in China, we can supply Corten-A steel plates and Corten-A plate price with large stock.