The valve applies specially-designed equal-percentage V-shaped notch on a sphere, which enable it to be high turndown ratio and in good adjustment. During the acting of spool, there is effective shearing action between V-shaped notch on the sphere and the seat, as well as the direct passageway, it is especially suitable for the control of fiber medium, slurry, powder and other liquids, gas and stream.

The specially-finished V-shaped sphere provides a successively stable and barrier-free action, offers sealing performance check only removing the seat and supporting ring, which enable the maintenance to be rapidly and easily; the jacketed and flanged valve connection is available for choice.

Parameters

Size：1"~20" (DN25~DN500)

Pressure Rating：ASME CLASS 150~300 (PN16~PN40)

Body material：Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel

Temperature Range：-196℃~350℃

Seat Leakage：ANSI IV or ANSI Ⅵ(bubble-tight)

Bonnet Type：Standard, Extension, Long-Extension, Steam Jacket