Knife Gate Valves Browse All 
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Unidirectional
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Push-Through, Slurry Valves
Guided Shear Gate
Zero Pocket
SB2900
PTFE Lined (Lugged)
Butterfly Valve
The SB2900 (lugged) is a split body design, PTFE lined butterfly valve specifically for use in chemically aggressive applications such as acids, chlorine, and alkalis. The single piece stem and disc design eliminates crevice corrosion and ensures reliability and durability in applications for corrosive fluids. The SB2900 is suitable for bidirectional shut-off or dead-end service applications.
Product Information
Pressure Rating
- 232psi (2″ to 6″)
- 150psi (8″ to 12″)
- 125psi (14″ to 24″)
Standards & Approvals
- Design: MSS SP-67, API 609
- Flanges: ASME B16.42 Class 150
- Testing: API 598
- Markings: MSS SP-25
- Mounting: ISO 5211
- Quality: ISO 9001:2015
- Registration: CRN
Features & Benefits
- Single piece shaft/disc improves reliability by eliminating crevice corrosion
- Live-loaded, self-adjusting seal ensures tight shut-off and reduces maintenance
- Resilient seat backers provide flexibility and improve sealing performance
- Field replaceable seat minimizes downtime
- ISO 5211 mounting pattern allows direct mounting of various actuation options
- Wafer or lugged flange styles accommodate various installation types
- Hand lever with notch plate and lockout provision provides operator and maintenance safety
Options & Accessories
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- PTFE seat materials with various backers including BUNA-N, EPDM, or Aflas for process compatibility
- Pneumatic or electric actuators for automated or remote control
- Gearbox and chain wheels for easy manual operation
- Switch box for valve position feedback
- Positioner for process flow control
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