Circular Flange
USD $7 - $7
Min.Order:10
The bolt holes layout, number, diameter, connection size and location of this circular flange are designed in accordance with the national industry standards, which is fully comply with the requirement of round damper and other related components interfaces.
DN100-DN400: steel plate.
DN450-DN4000: flat steel.
Use different material in different occasions.
When the temperature is ≤300, use material Q235-A, F;
When the temperature is 300<t ≤400, use material Q235-A/B;
When temperature is 400<t≤475, use material 10 or Q345 (16Mn).