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Item Number CILB, Resilient Seated Butterfly Valves


  • High strength ductile iron lugs
  • Full rating as standard with one flange removed (lug style only)
  • Full rating dead end service (lug style only)
  • Phenolic backed elastomers
  • Full vacuum service capabilities
  • Primary & secondary shaft seals (upper & lower)
  • Seats cannot be lipped in on installation
  • Non-collapsible
  • Flange gaskets are not required
  • Superior shaft support at elastomer/disc interface
  • Discs are machined to suit the seat flat to provide maximum
  • sealing surfaces with reduced torque & wear
  • Eliminates media exposure to shaft journal
  • Machined & polished disc edge
  • Precision disc flats
  • Wide seating surface ensure positive bubble tight seal
  • Uniform contact around entire circumference minimizing wear,reducing torque & increasing cycle life
  • 3 bushings, non-metallic, low co-efficient of friction, totally isolatethe shaft from the body journal
  • Positive shaft alignment
  • Prevents shaft seizure in the body journals
  • Eliminates side loading on actuators
  • Reduced bushing torques
  • Through shaft design
  • Shaft diameters to AWWA CL-75B in sizes 3" to 12"
  • Blow out proof shaft, reduces disc deflection
  • Interchangeability with all butterfly valves in conformance to industry standards

Unit of Measure: Imperial Metric Both


Body Material

Ductile Iron

Body Type

Lug Pattern

Valve Material


Disc Material

Stainless Steel
Ductile Iron

Aluminum Bronze

Seat Material




Valve Operator

10 Position Lever
Bare Shaft

Electric Actuator

Handwheel Gear

Pneumatic Actuator


Resilient Seated Butterfly Valves - Product Data Bulletin
(PDF, 271KB)

Butterfly Valves - Installation, Operating & Maintenance Instructions
(PDF, 114KB)