Representing DeZURIK for over 50 years

Fontaine Channel Gates – Series 25

Fontaine’s Channel Gates provide the best cost of ownership in the industry and have half of the AWWA allowable leakage. They can be adapted to any channel.

The Fontaine-Aquanox SERIES 25 gate is designed to control water flows in channels. It is the same construction as the Series 20 with the exception that it is not equipped with a top seal. The maximum allowable leakage is 0.04 US GPM per foot (0.5 l/min per meter) of the perimeter in seating and unseating head conditions (head conditions taken is equal to the height of the slide).

Because of its Stainless Steel construction, the SERIES 25 has a very good corrosion and erosion resistance and can be operated many years with a minimum maintenance. The Stainless Steel construction allows a very large design flexibility, the result being a lighter weight and easier-to-install channel gate.

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Stainless Steel Frame

The stainless steel frame on the SERIES 25 is most often used as embedded into the walls of a new channel. It is also offered in flange back type for installation on a concrete wall at the end of a channel or for installation in an existing channel. The frame can be either open (no yoke) or self-contained configurations, providing a solid one piece gate. In the case of an open frame with the operator, an operating floor located over the channel to support the pedestal is necessary.

Reinforced Slide

The slide is a stainless steel plate reinforced with members welded to the plate, making it a solid single piece.

AWWA Standards

The unique side seals of the SERIES 25 are the same as on the SERIES 20 and allow no metal-to-metal contact. They are made of a self-lubricating ultra high molecular weight polyethylene (UHMWPE). With a friction coefficient of 0.2, the seals make the gate easy to open even when not operated for a long period. The self-adjusting quality is obtained by a compression cord that guarantees a perfect watertight seal between
the slide and the frame in both seating and unseating conditions. The seals extend all the way to the top of the frame making the SERIES 25 a water control gate in addition to having the characteristics of a channel gate. The SERIES 25 is designed for many applications. fig. 25-01, 02, 03 show the three most common mountings.