Technical Parameters Parameter Specification Model Fisher VBL Type Lug-Style Vee-Ball Control Valve Flow Characteristic Equal Percentage Shut-Off Class ANSI Class VI (Bubble-tight) with standard non-metallic seats. End Connections Lug Style (ANSI Class 150) Body Materials Carbon Steel (WCB), Stainless Steel (CF8, CF8M) Ball Material Stainless Steel (standard), Hardened Coatings available for extreme abrasion. Stem Material Stainless Steel Seat Material Reinforced PTFE (RPTFE), Ultra-High Molecular Weight Polyethylene (UHMW-PE) Temperature Range -40°F to 400°F (-40°C to 204°C) with standard polymeric seats. Pressure Rating ANSI Class 150: 275 psig (19 bar) Flow Capacity (Cv) Varies by size. Example (4" VBL): Cv ~ 480 Sizes (Pipe Size) 3" to 12" (DN 80 to DN 300)
