Tilting disc check valves, otherwise called "equilibrated disc check valves", have the well known features of a typical "no slam" behavior.
The tilting disc type bonnetless has a unique design that eliminates that bolted connection (and consequent possible leakages to the external) while maintaining the basic features of the tilting disc.
2) Pressure classes:
The tilting disc type bonnetless is obtained in case of lower range pressure classes (ANSI 150# and 300#) in the so called bolted bolted bonnet configuration.
Indeed the body (cast construction) is in two halves with a bolted connection at 45 degrees angle in relation to the horizontal axis of the valve.
We could supply tilting disc type bonnetless with different dimensions and pressure designed to the specific requirements of the customer (temperature, pressure, size of the line)
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