Model 190-150 Lined Butterfly Valve

The ChemValve Model 190-150 is a PFA lined butterfly valve suitable for many applications where flow control of corrosive and aggressive chemical liquids or vapors is required. It is available in sizes from 2” – 24”, including select models with enhanced features for chlorine and brine service.

General Information

  Features Options
Applications Most corrosive and aggressive chemicals and vapors  
Standards Followed

Design: API 609 Wafer & Lug
Face to face dims: API 609 Category A
Connection rating: ANSI B 16.5
Test: API 598

Test: ISO 9393-2 or BS EN 12266-1-2003
Body ASTM A 216 GR. WCB ASTM A 351 GR.CF8 or 8M
Pressure Class 150#  
Seat Liners Isostatically molded PTFE Isostatically molded TFM or MPTFE
Valve Painting Epoxy 2-part paint PU paint
Temperature -40° F to 450° F Lining in FEP, ETFE & PVDF available with differing temperature range
Disc Sealing Class VI, tight shut off per API 598  
Shaft Seals Loaded packing with gland covers top & bottom  
Maximum Pressure 225 PSI  
Flow Direction Bi-directional  



Lever-Operated Lined Butterfly Valve

  • Wafer or Lugged Type
  • Sizes: 2”, 2-1/2”, 3”, 4”



Gear-Operated Lined Butterfly Valve

  • Wafer or Lugged Type
  • Sizes: 6” 8" 10” 12” 14” 16” 18” 20" 24"


Chlorine and Brine Service Configurations

  • Available in Lever-Operated 4” or Gear-Operated 6” and 8” Lugged Types
  • Enhanced Features:
    • Thicker TFM seats for reduced permeation
    • Elastomer-backed seat pad (Viton) for improved shut-off life
    • PVDF disc encapsulation for improved permeation, corrosion, and erosion resistance
    • One piece Duplex 2205 Stainless steel disc and stem for long service life
    • Sealed bottom hub to reduce risk of unsafe leaks