Factory wholesale Steel Balls - Hollow Ball Blanks – XINZHAN

Specifications: 1”-20” ( DN25mm~500mm)

Pressure Rating: Class 150 (PN6~20)

Materials: #20 steel, SS304, SS304L, SS316,  SS316L, etc.

Type: floating, trunnion mounted, two way,  three way, etc.

Surface Treatment: polishing.

Roundness: 0.01-0.02

Roughness: Ra0.2-Ra0.4

Concentricity: 0.05

Application Field: mainly for large and medium-sized floating fully welded ball valves.

Packing: blister plastic box, plywood box, pallet

Can be customized according to drawings.