Valve Industry Knowledge Base

Flexi-Hinge Check Valves

Welcome to Flexi-Hinge® Check Valve Company.

We are a leading manufacturer of check valves, expansion check valves and foot valves.  Our Flexi-Hinge® seatless, full port, double disc check valve provides High Performance/High Efficiency Next Generation Design that features higher pressure ratings, improved flow characteristics and the highest quality at a competitive price. 

Flexi-Hinge® offers industrial buyers the ultimate protection in preventing liquid or gas flow reversal in system pipelines.  With proven performance for demanding applications, Flexi-Hinge® valves safeguard pipeline components from potential damage or system contamination.  Manufactured with stainless steel or aluminum internals, no metal-to-metal rotating points and without seats that ultimately wear, Flexi-Hinge® valves provide customers with reliable, long-lasting operation in the field.

Engineered with the largest flow areas worldwide and low-pressure open/close requirements, Flexi-Hinge® valves are ideal for both fluid and gas applications.  Our standard valves are rated at 200 PSI, but are also suitable for low-pressure gas/liquid applications.  The addition of our unique center post design allows a positive, quick sealing action with low backpressure and no spring assistance.  Flexi-Hinge® valves' pressure ratings are 1/3 higher than the competitors’ valves which require a spring to insure proper sealing.  The addition of a spring doubles the pressure loss across the valve as well as increases the pressure required to open the valve.

PROVEN FEATURES INCLUDE: 

FULL PORT DESIGN

Offers the highest flow area, lowest pressure loss design available.

SEATLESS/TIGHT SHUTOFF DESIGN

Positive flow reversal action at low flows and back pressures.

HIGHER PRESSURE RATINGS 

Engineered to provide increased operating pressure in all configurations.

ALUMINUM & STAINLESS STEEL INTERNALS

All models come with either aluminum or corrosion resistant 316 stainless steel.

RELIABLE/ LONG LASTING OPERATION

No metal-to-metal rotating points; no seats to wear; quick acting/short travel from full open to full closed positions.  

Applied correctly, Flexi-Hinge® check valves will prove efficient and cost-effective when compared to other styles of check valves.

 

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