01 Mar Special – High Performance
Special – High Performance
DESCRIPTION
General
- Sizes: 1.5” -72.0” (40mm-1800mm)
- Temperature Range: -4F-400F (-20C – 204C)
- Pressure Rating: 90 psig, 150 psig, 230 psig, 250 psig
Features
- Body Styles: Wafer, Lug and Double Flanged
- Body Materials: Cast Iron, Ductile Iron, Nylon 11 Coated Cast Iron or Ductile Iron, Carbon Steel, 304 and 316SS
- Body Coating: Standard Two Part Polyester Epoxy, Optional Nylon 11
- Disc: Nylon 11 Coated Ductile Iron, 304SS, 316SS, Aluminum Bronze, Nylon 11 Coated 316SS
- Seats: EPDM(Food Grade), Buna N, Viton, White EPT(Food Grade), Hypalon, Silicone, Neoprene
- Bearings: Lower Stem Bronze or (opt)SS, Upper(above seat)SS, Top Delrin
- Stems: 410SS, 304SS, 316SS, 17-4 Ph SS
- Mounting:ISO-5211 Stem(small square) and Mounting Pad
- Drive: One Piece Shaft to 14”, Shaft Spline to Disc Attachment(VF7A),Split Shaft > 0” with Spline Drive(VF7A)
- Stem Retention: 1.5” thru 12.0” has Q Pin Slot in Top Pad which Retains SS Through Pin, 14.0” thru 48” and All Stainless Steel Valves have Removable Plate Retaining the SS Through Pin
- Working Pressures: 87 psig, 150 psig, 230 psig Bi-Directional Bubble Tight Shutoff.
- 5”-12.0” Lug Rated 200 psig Dead End Shutoff, 14.0” and Above Lug Rated 150 psig Dead End Shutoff, Test Reports Available
- Private Label Valves Available
Centric Butterfly Valves Specifications
- End Connections: 125/150 ANSI, Wafer, Lug, Flanged
- Wall Thickness: ASME B16.34, AWWA C504
- Mounting: ISO-5211(Fits all ISO-5211 Operators)
- Design: ISO-5208,AWWA C504,ASME B16.34
- Face to Face: API-609,ISO-5752, AWWA C504(54.0”-72.0”)
- Marking: MSS-SP-25
- EX Certificate: ATEX 94/9/EG Group II Category 2 GD
- ABS Certificate: ABS Steel Vessel Rules 1-1-7/7, 4-6-2/5.11
Applications
- HVAC
- Food Service
- Petrochemical
- OEM
- Fire Control
- Seawater
- Flue Gas
- Chemical
More information: High performance butterfly valves
Special high-performance butterfly valves are engineered for demanding applications where consistent sealing, controlled torque behavior, and stable flow regulation are required. Their design supports dependable operation across systems that experience pressure variation, temperature shifts, and continuous cycling.
Torque Behavior and Operational Stability
High-performance butterfly valves rely on controlled torque characteristics to maintain smooth disc movement throughout the operating range. The balanced design helps reduce friction during cycling and supports predictable response when paired with actuators. This behavior is valuable in systems where precise adjustments influence overall process stability.
The valve’s torque profile also helps maintain consistent performance under fluctuating system conditions.
Flow Control Characteristics
Disc geometry and body design support stable flow transitions, helping maintain predictable control across the valve’s travel range. This controlled behavior reduces irregular cycling and supports efficient system operation. The valve responds smoothly to actuator movement, making it suitable for applications requiring accurate modulation.
These valves integrate well with valve actuators and automation components used in butterfly valve assemblies.
Installation and Alignment Considerations
Proper installation helps maintain consistent sealing behavior and smooth disc movement. The valve’s mounting layout supports straightforward integration with a wide range of piping systems. Clear access to connection points helps reduce setup time and supports efficient commissioning.
Installation considerations include actuator compatibility, torque requirements, and system orientation.
Product Highlights
- Controlled torque behavior for stable cycling
- Smooth flow transitions for accurate modulation
- Suitable for environments with temperature variation and airborne particles
- Straightforward installation across multiple system layouts
Frequently Asked Questions
What Is a Special High-Performance Butterfly Valve?
It is a butterfly valve designed for demanding applications where stable flow control, controlled torque behavior, and dependable sealing are required.
How Does Torque Behavior Affect Valve Performance?
Controlled torque helps maintain smooth disc movement and predictable response under changing system conditions.
Where Are High-Performance Valves Commonly Used?
They are used in chemical processing, power generation, industrial manufacturing, and other environments requiring stable flow regulation.
What Installation Factors Should Be Considered?
Proper alignment, actuator compatibility, torque requirements, and system orientation help support reliable operation.
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