They are suitable for industrial-process loop control systems and able to control gate valves, SND non-intrusive intellectualized electric modulating actuators consist of three ranges: linear type, multi-turn type and angular travel type (There are two structures for angular travel type: integral andĬombined). as SND) non-intrusive intellectualized electric modulating actuatorsĪre products of new generation developed by cooperation on the basis of introducing the newest control Electric modulating actuator SND-Z5-40 for gate valves, globe valves, ball valvesĢ. precise and reliable measurements of position limit and torque level ģ. providing double-speed (speed-changeable and slow closing) functionsĥ. self-diagnostic and self-adapted functions Ħ. automatic phase-rotation-corrective function ħ. trouble-diagnostic function in operation ĩ. overheat-protection for electric motor ġ2.locked password function of control status.ġ Power supply: 380 V ± 10%, 50 Hz ± 1% (For other specifications of voltage and frequency , specialĢ Environmental temperature: -20~60✬ (- 40~ +70✬ available for special order)Ĥ Signal: input : 4 ~ 20 mA DC output: 4 ~ 20 mA DCĦ Duty: S5 (intermittent operation with electrical braking), minimum load held ratio 25%, maximumħ Enclosure protection: IP68 (4 meters below water surface for 68 hours)Ĩ Flameproof mark: Exd Ι, ExdibⅡBT4 and ExdibⅡCT4, for hazardous zone with Class ⅡB ~ⅡCĮxplosive gases of temperature groups T1~T4.ĬHANGZHOU-SCHNEIDER (abr.
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