Conical Reducer made of high quality 304 stainless steel.
Reducers are typically used to transition between KF16 and KF25 to achieve the you want.
Common Dimensions A =0.62" (16mm), B =1.57" (40mm)
They are often called quick flange fittings because they are Quick to assemble.
We provide high quality products, excellent service, If there are any you need and dissatisfaction that can be contacted us , any time.