Tyco Flow Control has announced the addition of a new High Temperature seat for its popular Keystone Optiseal range of butterfly valves, which has been widely specified in the food and beverage industry for over a quarter of a century. The new Brewseal will extend the operational life of typical units in some common applications - especially in the onerous brewing conditions including hot wort - while still remaining competitive in price.

Importantly the one-piece wafer-thin disc stem of the Keystone Optiseal combines high strength with positive disc control while offering minimal disc obstruction to flow. The disc stem can be offered with a polished finish making it ideal for hygienic duty.

The new seat is rated for 150 degrees centigrade constant service while also offering excellent abrasion resistance for brewing, a variety of other hygienic applications and semi-aggressive chemical industries. As with previous models the primary seat formed by the seat/shaft/hub assembly exceeds the pressure rating of the valve ensuring that the body is totally isolated from the flowing medium.

The valve body is also finished in silver Ameron PSX700, a unique high gloss engineered siloxane to suit the rigorous requirements of the hygienic market.

Tyco Valves & Controls Distribution, Tel: 01858 467 281

Published in Valve User Magazine Issue 4

Summer 2020 // Issue 53
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