Siemens MXI421.. 2-Port and 3-Port Zone Valves, PN 16 / 20

Siemens MXI421.. 2-Port and 3-Port Zone Valves, PN 16 / 20

Operating voltage AC 230 V, 2-position control signal
Spring return
Positioning force 200 N
Direct mounting with union nut, no tools required
Ergonomically designed manual adjuster
Auxiliary switch, type ASC2.1/18 (optional)
Hot-pressed brass valve body (EN1982)
DN 15, DN 20 and DN 25
kvs 2…5 m3/h
Internally threaded connections Rp.. to ISO 7-1

Siemens VXI46.. 2-Port and 3-Port Zone Valves PN 16

Siemens VXI46.. 2-Port and 3-Port Zone Valves PN 16

Hot-pressed brass valve body (EN1982); VXI46.25T: bronze CC491K (Rg5) max.
4% Pb
· DN 15, DN 20 and DN 25
· kvs 2…5 m3/h
· Internally threaded connections Rp… to ISO 7-1 (V…I46…)
· Manual adjuster
· Can be fitted with electromotoric actuators, type SFA…, SUA21/1 or thermal
actuators, type STA…

Siemens VXG41.. 3-port seat valves with externally threaded connection, PN 16

Siemens VXG41.. 3-port seat valves with externally threaded connection, PN 16

Bronze CuSn5Zn5Pb2 valve body
? DN 15…50
? kvs 1.6…40 m3/h
? Flat sealing connections with external thread G…B to ISO 228-1
? Sets of ALG..3 threaded fittings with threaded connection available from Siemens
? Can be equipped with SAX.. electromotoric or SKD.. and SKB.. electrohydraulic
actuators
? VXG41..01 3-port seat valves are DVGW tested