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Check Valves

Nil-Cor check valves have been designed to achieve strengths equivalent to metals with the inherent corrosion resistance of advanced polymer matrix composite materials. The exceptional valve body strength and operational integrity of Nil-Cor composite valves are achieved through both material properties and valve design. To give ruggedness and durability, our composite check valve has a body designed with heavier wall and flange thickness than metal. This engineered approach results in design factors similar to those practiced with metal valves and your assurance of absolute safety.

Literature PDF

Ball Check Valves

Specifications
Size Range: 1”-6” Flanged
Flange Drilling: ANSI CL 150
Body Types: One-Piece
Body Material: 300 Graphite/Vinyl ester, 310 Glass/Vinyl ester, 410 Glass/Polysulfone, 500XP Graphite/Epoxy, 610XP Glass/Epoxy
Ball Materials: PTFE, Polypropylene
Seat Materials: FKM Fluoroelastomer

Wafer Swing Check Valves

Specifications
Size Range: 3”-12” Full-Face
Flange Drilling: ANSI CL 150, DIN PN10
Body Types: One-Piece Wafer style
Body Material: 300 Graphite/Vinyl ester, 310 Glass/Vinyl ester, 500XP Graphite/Epoxy, 610XP Glass/Epoxy
Flapper Materials: 300 Graphite/Vinyl ester, 310 Glass/Vinyl ester, 500XP Graphite/Epoxy, 610XP Glass/Epoxy
Seat Materials: FKM Fluoroelastomer