We have create new product type 70D for Gold Future in Product Category 700 (Listed Derivatives). 70D is copy of product type 70A. In other Flow tab flow type 1500 and 1510 display for selection. 1500 and 1510 not other flow its Flow category is 50 (Purchase) and 51 (Sale) in Define flow type (SPRO).
Why system display this flow in other flow tab ? It is standard flow type of SAP.