Composite Valves

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.

Go to Specific Subject: Basics about Composite Valves | Application and Selection of Composite Valves | Typical Composite Valve Specifications | Composite Valve Applications | Other Useful Composite Valves and Materials Links


Basics about Composite Valves

Nil-Cor® Engineering Presentation - Wiliam Simendinger - This comprehensive composite valve seminar whilst being a huge download at over 20 Megs is well worth taking a look at, it covers the Basics about Composites, Composite Processing Methods, Composite Valve Design and Advantages, Composite Valve Applications an more. 

Nil-Cor® Composites Guide  - Advanced composites are a family of high-performance materials consisting of a polymer matrix reinforced with a fiber. Nil-Cor Operations has pioneered the development of industrial products based on high strength, high stiffness, lightweight glass and graphite fibers in high performance plastic resins since 1966.


Application and Selection of Composite Valves

Nil-Cor®Corrosion Guide - This guide has been developed to assist designers and process engineers in the application and selection of corrosion resistant valves.

Composite Valves can Solve your Internal and External Corrosion Problems - Valves are exposed to corrosive environments both internally (media) and externally (ambient conditions). Since either source of attack can ruin a metal valve or a plastic valve, such as PVC, each deserves serious attention.


Typical Composite Valve Specifications


Composite Valve Applications

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 - - 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.

Advanced Composite Valves selected for CVN-78 Gerald R Ford Nuclear Aircraft Carrier - Nil-Cor a manufacturer of corrosion resistant, light weight composite valves, will be supplying non-metallic ball valves for the new CVN-78 GERALD R. FORD-class nuclear powered aircraft carriers. This will be the first time that the U.S. Navy has installed non-metallic valves aboard a combatant vessel. Nil-Cor is the world’s largest manufacturer of composite valves, which are not affected by the corrosive nature of seawater and also provide a substantial weight savings.

Composite Pipe Valves Offer Corrosion-Free Performance - Composite valves and actuators have gained entry into offshore facilities, as well. At about one-third the weight of steel, fiber-reinforced composite flow control components are a welcome addition to piping systems and increasingly in demand for marine environments as a high-strength, corrosion-resistant alternative to steel or injection-molded plastics. From Composites World.

Other Useful Composite Valves and Materials Links

Development of a Family of Commercial Marine Composite Ball Valves - Vinod Bhasin, Dennis Conroy/NSWC, and Jim Reid/NAVSEA -from 

An Overview of Composite Plastics - from

Facility Piping - Composite piping reduces offshore platform loads, saving cost in system design. From Composites World.

Fiberglass Ideal For Dry Deluge System Applications -  Around 1982, offshore platforms began using dry deluge systems, where the ring main is kept full of seawater but the downstream piping is dry. The dry piping is separated from the ring main by deluge valves, which automatically open and distribute water through the dry pipe to spray nozzles during a fire. This practice saves weight and minimizes corrosion-induced that the deluge piping is typically routed to avoid hazardous areas on the platform means that conductivity is not a requirement, but fire resistance is essential.

Composites World - Composites World is a useful website which is focused on composites.

Seven Things you must know before Selecting Composite Solenoid Valves for your Reverse Osmosis System - Anne-Sophie Kedad-Chambareau,  Roy Bogert, and David Park - This interesting white paper from ASCO highlights some important aspects of composite solenoid valve selection and design.

Understanding the New Lead-Free Water System Regulations - and Choosing Valves to Comply - Anne-Sophie Kedad-Chambareau - In the U.S., regulations governing lead content of the components of potable water systems have seen considerable changes as safety restrictions tighten. The federal law in effect since January 2014 dictates much lower lead content for certain systems and components than in the past. Manufacturers of potable water equipment and systems - including drinking water fountains, R/O (reverse osmosis) systems, coffee machines, and commercial kitchen equipment - as well as equipment maintenance contractors are affected. Many remain uncertain how the new regulations will impact their manufacturing and purchasing. This report outlines relevant sections of the law. It then focuses on the choices facing specifiers and purchasers who need to select important components of these systems - two-way solenoid valves - to comply. It considers the calculations that must be made to determine average lead content. Finally, it discusses the pros and cons of common valve materials (brass, composite/plastic, stainless steel, and lead-free brass), as well as other selection advantages. Original equipment manufacturers (OEMs) and contractors will get useful information to ensure their equipment remains efficient, safe, and compliant - from ASCO.

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