Products
QTB Adjustable Flameproof Electric Device
QTB Adjustable Flameproof Electric Device
Overview
:Q series of electric devices for butterfly valves, ball valves, plug valves and damper to do 90 ° rotation of the 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