Cast Steel Globe Valves หรือ โกลบวาล์วประเภทเหล็กหล่อ BODY WCB PRESSURE (Class) 150 Lbs, 300 Lbs, 600 Lbs TRIM HF(5), HFS(8) CONNECTION Flange RF SIZE (150 Lbs) 2", 2.5", 3", 4", 5", 6", 8" SIZE (300 Lbs) 2", 2.5", 3", 4", 6" SIZE (600 Lbs) 2", 3", 4"