Balanced adjustable shrinkage hole

The balanced dual core adjustable shrinkage hole is mainly used to adjust the resistance of the primary air duct. The adjustment range of circulation area is 25% to 100% of the cross-sectional area.

The balanced dual core adjustable shrinkage hole is divided into 8 specifications according to the inlet and outlet connection specifications.

Previous article: Single core adjustable shrinkage hole
Next article: Split type adjustable shrinkage hole