Series D Check Valves

The Balon Series D is a top-entry check valve which is available in carbon steel, ductile iron and "9D" nickel aluminum bronze.

All series D are full port to allow for uninterrupted flow through the valve. As is the case with all of Balon's other check valves, all Series D meet NACE and include 316 stainless steel discs as standard components.

All Series D feature a specially designed, patented hinge-works consisting of a hinge pin and bearing block. As with the disc, the hinge and bearing block are also made of stainless steel. This special hinge-works supports the disc and encases the hinge in a stainless steel bearing that is fixed in place to prevent the hinge from rubbing against the dissimilar metal of the valve body.

In competitive check valves, this rubbing of dissimilar metals causes erosion and wear and can greatly shorten the useful life of the valve.

Balon's exclusive, patented hinge-works is yet another example of how Balon solves problems by raising the threshold of quality and lowering the cost of ownership.

Series C Check Valves

Balon has breathed new life into check valve by providing a fresh approach that conquers common swing check valve problems of the past.

Check valves often are subjected to damaging service requiring periodic replacement of internal components. Yet the design of most check valves prevents replacement of one of the most important components in a check valve; the seat, which can lead to premature valve failure.

Balon's Series C Check Valves solve this problem by using an innovative cartridge assembly that affords the user an economical and easy way to replace the entire checking mechanism (the disc, seal and seat) in the field, thereby extending the life of the valve.

1. Notice the Seat... it is an integral part of the replaceable module and not cast into the body as in other check valves.
2. Notice the Resilient Seal... it is firmly anchored into the seat rather than the disc, protecting it from the destructive abrading and blasting effect of the flow.
3. Notice the Disc... it has an integral pivot pin. No problem with wear prone pins and bushings. A positive solution to early mechanical failure.
4. Notice the Pivot Bearing... it is part of the seat module and not the valve body. It is a replaceable part, allowing complete valve renewal.