All-welded steel ball valve ALSO series RS welded full bore with an elongated stem (under insulation) and drainage (prolonged). All-welded steel ball valve ALSO series RS welded ball valve reduced with an elongated stem (under insulation) and drainage (pro All-welded steel ball valve ALSO series RS series welded ball valve reduced with elongated stem (under insulation) with reducer All-welded steel ball valve ALSO series RS welded ball valve reduced with an elongated stem (under insulation) and drainage (pro All-welded steel ball valve ALSO series RS series welded ball valve reduced with elongated stem (under insulation) with reducer All-welded steel ball valve ALSO series RS series welded full bore ball valve with extended stem (under insulation) with reducer All-welded steel ball valve ALSO series RS series welded full bore ball valve with extended stem (under insulation) with reducer all-welded steel ball valve ALSO series RS welded ball valve with elongated stem (under insulation) and drainage (produ All-welded steel ball valve ALSO series RS welded full bore with an elongated stem (under insulation) and drainage (prolonged). all-welded steel ball valve ALSO series RS welded full bore with extended stem (under insulation) and drainage (ducted). All-welded steel ball valve ALSO series RS series welded full bore ball valve with extended stem (under insulation) with reducer all-welded steel ball valve ALSO series RS welded full bore with extended stem (under insulation) and drainage (ducted). all-welded steel ball valve ALSO series RS welded full bore with extended stem (under insulation) and drainage (ducted). All-welded steel ball valve ALSO series RS series welded ball valve reduced with elongated stem (under insulation) with reducer all-welded steel ball valve ALSO series RS welded ball valve with elongated stem (under insulation) and drainage (produ all-welded steel ball valve ALSO series RS welded full bore with extended stem (under insulation) and drainage (ducted). All-welded steel ball valve ALSO series RS series welded full bore ball valve with extended stem (under insulation) with reducer All-welded steel ball valve ALSO series RS welded full bore with an elongated stem (under insulation) and drainage (prolonged). All-welded steel ball valve ALSO series RS welded full bore with an elongated stem (under insulation) and drainage (prolonged). all-welded steel ball valve ALSO series RS welded full bore with extended stem (under insulation) and drainage (ducted). all-welded steel ball valve ALSO series RS welded ball valve with elongated stem (under insulation) and drainage (produ all-welded steel ball valve ALSO series RS welded ball valve with elongated stem (under insulation) and drainage (produ