Functional data | |
|---|---|
PN class | PN 16 to EN 1333 |
Permissible operating pressure (Tested at 1,5 x PN (24 bar), similar to EN 12266-1) | 1600 kPa (16 bar) |
Differential pressure ∆pmax / ∆pS | See section Type summary |
Leakage rate at ∆p = 100 kPa (1 bar) | A to AB max. 0,05% kvs B to AB <0,2% kvs depending on operating conditions |
Valve characteristic (Can be selected via DIL switch) | Equal percentage, ngl = 3 to VDI / VDE 2173 or linear, optimized near the closing point |
Permissible media | Cooling water, cold water, water with anti-freeze; recommendation: water treatment to VDI 2035 |
Medium temperature (For medium temperatures <0 °C, the Z366 stem heating element is required) | MXG461K..: -40...130° C |
Stroke resolution ∆H / H100 | 1 : 1000 (H = stroke) |
Positioning time | < 2 s |
Position when deenergized | A to AB closed |
Mounting position | upright to horizontal |
Mode of operation | Modulating |
Materials | |
|---|---|
Valve body, covering flange | CC499K (CuSn5Zn5Pb2-C), red brass |
Seat / plug | Cr-Ni steel |
Valve stem seal | EPDM (O-ring) |
Fittings | Bronze / brass |
Electrical connections | |
|---|---|
|
Cable entries | 2 x 20,5 mm diameter (for M20) |
Connection terminals | Screw terminals for 4 mm2 wires |
Min. wire cross-section | 0,75 mm2 |
Max. cable length | See section Connection type |