21122068-0020 by RTK Regeltechnik
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The RTK Regeltechnik part number 21122068-0020 is a motor control valve from the MV 5274 series, designed in a three-way form for mixing applications with a short B-flange. It features a nominal size of DN 100 and a nominal pressure rating of PN 16. The housing is constructed from ductile iron EN-GJS-400-18-LT and includes flanges with DIN sealing surfaces, finished with a zinc dust primer surface treatment. Spindle sealing is achieved via bellows with a PTFE safety plug. The valve uses a mixing cone with metallic sealing, offering a linear characteristic, a Kvs value of 148 m3/h, a 30 mm stroke, and a seat diameter of 100 mm. It complies with the Pressure Equipment Directive (PED) bearing the CE marking, and supports a maximum allowable temperature (TS) of 350 °C along with maximum allowable pressure according to DIN EN 1092. Operation is driven by a ReAct 30E-028 electrical actuator providing a 3 kN positioning force, 230 V 50/60 Hz AC motor, manual adjustment, a setting speed of 0.28 mm/s, an IP 65 protection class, and two additional limit switches.
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Characteristics
| Manufacturer | RTK Regeltechnik |
|---|---|
| Part number | 21122068-0020 |
| Inner Code | 4968169 |
| Custom Code | 84818059 |
Technical specification
| Product type | Motor control valve with electric actuator |
|---|---|
| Series | MV 5274 |
| Nominal size | DN 100 |
| Nominal pressure | PN 16 |
| Housing material | Ductile iron EN-GJS-400-18-LT |
| Kvs value | 148 m3/h |
| Stroke | 30 mm |
| Seat diameter | 100 mm |
| Max. allowable temperature | TS 350 °C |
| Actuator type | ReAct 30E-028 |
| Positioning force | 3 kN |
| Actuator voltage | 230 V 50/60 Hz AC |
| Setting speed | 0.28 mm/s |
| Protection class | IP 65 |