Under demand, it can be also used for high pressure applications up to class 2500.
The Babcock’s strong designs and a precision machining of bodies and bonnets shall guarantee the best performances of the valves during operation.
The right sealing between body and bonnet is made by designing a more than sufficient type and number of bolts, and selecting the best gasket for each service.
There are different joint / gasket designs for each applicable ASME rating. A flat oval gasket is normally used for low pressure (class 150) and a spiral wound gasket for intermediate pressures (class 300) and high pressure (class 600). Other type of joints as corrugated or ring type are also available under demand.
NOTE:
For Class 900 and superior, the Bolted Bonnet gasket used is RTJ.
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