Forged Steel Globe Valve Forged steel valve, bolted or welded bonnet, single disc, renewable seat rings, SW, NPT, RF, BW ends are available. Forged Steel Glove Valve Features: 1) Design and manufacture: API602 2) Inspection and test: API598 3) Socket-weld dimension: ASME B16.11 4) End threads dimension: ASME B1.20.1 5) Pressure-temperature rating: ASME B16.34 6) Three bonnet designs: A) Bolted B) Welded C) Pressure seal 7)