Power plant ball valve Construction -standard production

Now there are some power plant  ball valve manufacturers are machining ball valve bodies from forged bar stock materials with massive wall thicknesses far exceeding that of rising stem valves. Some adopt the same ball valve body design on 1.5-inch and smaller sizes for all pressures classes—so that an ASME Class 1500 valve may actually have an ASME Class 4500 body. Usually Class150 300 600 800lb will have same body for SW/NPT connection valve, 900lb 1500lb will be one class.

80pcs forged steel ball valve for offshore oil platform
80pcs forged steel ball valve for offshore oil platform

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