90 ° national standard elbow

Reducing pipes, also known as reducers, are used to connect pipes of different sizes; Generally, it is divided into two types: concentric reducers and eccentric reducers. When the projections of the two ports of the reducer are concentric circles after it is erected, it is called a concentric reducer, while the projection of the eccentric reducer is a small circle inscribed on the outer circle
1. Control caliber: DIN standard (DN10-DN150), 3A/IDF standard (1/2 "-6"), ISO standard (Ø 12.7- Ø 152.4)