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ZTB proof electric modulating means
ZTB proof electric modulating means
Overview：Z series of electrical equipment for the gate valve, globe valve, diaphragm valve, plunger valve, throttle, water gate and so on. Can be used for the stem valve, can also be used for hull valve.
Power supply: conventional, three-phase 380V (50Hz); special, three-phase 660V, 415V (50Hz, 60Hz); single-phase 220V, 110V (50Hz, 60Hz)
Ambient temperature: -20 ~ +60 ℃ (special order -40 ~ +80 ℃).
Relative humidity: ≤ 95% (at 25 ℃).
Type of protection: outdoor for non-flammable, explosive and non-corrosive media. Flameproof products are dI and dIIBT4 two, dI for coal mining non-mining face; d Ⅱ BT4 for the factory, for the environment for the Ⅱ A, Ⅱ B T1 ~ T4 group of explosive gas mixture. (See GB3836.1 for details)
Protection class: IP55 (special order IP65, IP67).
Work system: 10 minutes in a short period (special order 30 minutes).
Power supply: conventional, three-phase 380V (50Hz); special, three-phase 660V, 415V (50Hz, 60Hz); single-phase 220V, 110V (50Hz, 60Hz)
Ambient temperature: -20 ~ +60 ℃ (special order -40 ~ +80 ℃).
Relative humidity: ≤ 95% (at 25 ℃).
Type of protection: outdoor for non-flammable, explosive and non-corrosive media. Flameproof products are dI and dIIBT4 two, dI for coal mining non-mining face; d Ⅱ BT4 for the factory, for the environment for the Ⅱ A, Ⅱ B T1 ~ T4 group of explosive gas mixture. (See GB3836.1 for details)
Protection class: IP55 (special order IP65, IP67).
Work system: 10 minutes in a short period (special order 30 minutes).
Description