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Composite Valves
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Composite valves are made from strong, light weight composite materials. Their graphite and fiberglass reinforced thermoset and thermoplastic resins are resistant to acids, caustics, bleaches and more than one thousand other industrial and waste treatment chemicals, at half the cost of traditional alloy valves. Composite valves have steadily proven their worth in tough industrial applications once thought to be solely the province of steel or alloy valves. Today, as FRP piping systems and tanks challenge traditional thinking in corrosive fluid applications, Austral-Powerflo Solutions and  Nil-Cor offers a full range of ball, butterfly and check valves to make an all-FRP system a reality.

Nil-Cor Composites Guide 

Nil- Cor Corrosion Guide 

Composite valves in Wastewater Treatment Plant applications -William H. Simendinger - Composite valves incorporated into Blue Plains Advanced Wastewater Treatment Plant outperform expectations while helping improve operations

Butterfly Valve is corrosion-resistant inside and out - thomasnet.com -The butterfly-valve’s light-weight body is made of corrosion-resistant fiberglass-reinforced cast epoxy. The body, successfully tested to 800 PSI, combines outstanding strength and durability with high-heat resistance in corrosive environments. The valve features an integral ISO 5211 actuator mounting flange for strength and convenience.

PTFE-lined valve from Nil-Cor Composite Valves - processingtalk.com - PTFE-lined advanced composite butterfly valve from provides maximum corrosion resistance inside and out The butterfly-valve's light-weight body is made of corrosion-resistant fiberglass-reinforced cast epoxy

3.09 Composite Valves Cut Weight and Costs - Tom Shelly - Making valves for offshore and marine applications from composites not only ensures corrosion resistance, but achieves weight savings of as much as two thirds relative to their metallic counterparts and is expected to reduce costs to end users by 15 to 20 %. From MARROTA

Other Links

Development of a Family of Commercial Marine Composite Ball Valves - Vinod Bhasin, Dennis Conroy/NSWC, and Jim Reid/NAVSEA, Naval Engineers Journal (October 1998) -from sigmatechconsulting.com 

An Overview of Composite Plastics -from polymerplastics.com