METAL TO METAL WAFER BUTTERFLY VALVE DN-900 WITH PNEUMATIC ACTUATION FOR REGULATION
material body: nodular cast iron ASTM 536 T
material disc:  nodular cast iron ASTM 536 T
material shaft: stainless steel AISI-316
material packing: graphite rings
butterfly valve with 4 centering holes in necks as per DIN PN 10
butterfly valve with extended long neck execution
seats: metal to metal. Ledge-seat. Class III
disc striking the ledges in the body
actuation: with a single acting pneumatic actuator (springs to close)
                  with an electro-pneumatic positioner 4-20 mA

 METAL TO METAL LUG BUTTERFLY VALVE DN-600 WITH MANUAL ACTUATION
material body: cast stainless steel AISI-321
material body: cast stainless steel AISI-321
material shaft: stainless steel AISI-310 (25/20)
material packing: graphite rings
butterfly valve with 20 centering holes as per ANSI 150 #
butterfly valve with extended long neck execution
seats: metal to metal. Ledge-seat. Class III
disc striking the ledges in the body
actuation: with wormgear