Technical Data
 
• Sizes: 1" - 42", Wafer or Lug
• Flanges acc. to ANSI 150lbs
• Face to face acc. ASME B16.10
• Bodies: Cast steel WCB (1.0619)
• or stainless CF-8M (1.4408)
• Liners: PTFE, PTFEA-AS (conductive), 
• PVDF, UHMWPE, PP
• Discs: PFA, PFA-AS (conductive), PVDF,
• ETFE, PP-encapsulated or 
• SS Duplex, SS316L, Titanium, Hastelloy®C
• Elastomers: VMQ (Silicone), FPM (Viton®) 

Main Features
 
• Heavy-duty, compact construction,
• maintenance-free
• Bubble-tight shut-off throughout the full 
• pressure and temperature range
• Wide selection of high-quality liner and disc
• materials, for economical valve performance 
• Unique shaft sealing arrangement assures
• maintenance-free operation at automated
• processes and high operating pressures,
• optimized and reinforced liner shape
• One-piece disc/shaft for hysteresis-free flow
• control, with polished sealing surface leading
• to low torque values 
• No need of additional flange gaskets due to
• wide and chambered flange sealing surface