CENTER LINE® Butterfly Valves Series RS

Center Line® RS resilient seated butterfly valves offer superior design features provide repeatable vacuum tight shutoff in severe abrasive and corrosive environments for a variety of applications.

Features And Benefits

  • Replaceable cartridge seat design with solid backup ring allows best fit for vacuum applications and minimum costs over lifetime.
  • Only 2 wetted parts, disc and seat, with no exposed metal-to-metal contact points, for maximum corrosion resistance.
  • Self-centering disc with smooth finish and spherical edge reduces wear and resists corrosion and abrasion.

DESIGN FEATURES

  • Usable as quick closing valve
  • Concentric design
  • Soft seat design
  • No pins connection between disc to the shaft, only 2 parts in contact with the medium
  • Replaceable body lining with firm back-up ring
  • Permanently tight closure
  • Optimum operation under vacuum conditions
  • Standardized top flange for actuator adaption
  • Materials for almost all media
  • Short face-to-face dimension
  • Maintenance-free version
  • Blow-out proof shaft
  • Direct mounting of actuators without any additional brackets

SIZE RANGE

  • DN 40 up to DN 1400, 1 1/2” up to 56”

PRESSURE RATINGS

  • PN10, PN16, ASME class 150

TEMPERATURE RANGE

  • -30°C (-22°F) up to 200°C (392°F) depending on material selection

BODY CONFIGURATION

  • Lug type
  • Wafer type
  • Wafer type with centering lugs
  • Double flanged

SPECIAL OPTIONS

  • Additional trunion bearing for high cycling applications
  • Shaft extensions
  • Paper industry
  • Sugar industry
  • Power generation plants
  • Chemical and petrochemical industry
  • Steel industry
  • Automotive industry
  • Energy supply
  • Shipbuilding industry
  • Breweries
  • Cement plants
  • Cleaning Units

FLOWSEAL® High Performance Butterfly Valves

Flowseal® High Performance Butterfly Valves are a standard in many industries including heating, ventilating and air conditioning, power generation, hydrocarbon processing, water and waste water treatment, and marine and commercial shipbuilding.

Features And Benefits

  • High-performance shutoff and modulating service for standard industrial process lines
  • Bi-directional Pressure-Energized Sealing
  • Materials of construction options include Carbon and Stainless Steels
  • Sizes up to 48”, both wafer and lugged body styles available, classes 150 – 600

DESIGN FEATURES

  • Bi-directional pressure-energized sealing

MATERIALS OF CONSTRUCTION

  • Body: CS/SS/Alum Bronze/Duplex
  • Disc: SS/Alum Bronze/Monel/Duplex
  • Seat: TFE/RTFE/UHMWPE/Fire-Flow

SIZE RANGE

  • 2″-48″

PRESSURE RATINGS

  • Class 150-600

TEMPERATURE RANGE

  • -100-500 F

BODY CONFIGURATION

  • Soft Seat or Fire-Flow
  • Bare Stem/Handle/Gear Op/Actuated
  • General Industrial
  • Water/Waste Water
  • Hydrocarbon Processing
  • Chemical/Petrochemical Processing
  • Marine and Commercial Shipbuilding
  • Power and Utilities
  • Pulp and Paper