API 609

Butterfly Valve Components, Discs & Shafts

Valve Discs & Shafts

High-integrity butterfly valve discs, shafts, and resilient seats engineered for high-performance shut-off and throttling services in large diameter pipelines.

Materials Available: Ductile Iron, CF8M Stainless Steel, Monel, Duplex SS

Standard Size Range: 2 inch --- 48 inch

Standard Finishes: Epoxy Coating, Electroless Nickel Plating (ENP), Polishing

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Butterfly Valve Components Technical Overview

Our butterfly valve discs are designed with aerodynamic profiles to maximize flow coefficients and reduce pressure drops. Shafts are ground to high tolerances to ensure smooth rotation and tight shut-off.

High-Performance Engineering Features & Benefits

Aerodynamic disc profile minimizes flow resistance.
Precision ground stems prevent stem leaks.
Resilient seat support profiles.
High pressure and temperature resistance.
Resilient seat design extends shut-off life.

Heavy-Duty Industrial & Marine Applications

Our Butterfly Valve Components components are used across multiple sectors for critical positioning assemblies:

Power plant cooling water lines
HVAC air flow control systems
Municipal water main networks
Bulk powder flow control valves

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Frequently Asked Questions

Can you provide dual shaft (concentric vs eccentric) designs- +

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VALVE COMPONENTS