DDA和DDC系列風(fēng)門執(zhí)行機(jī)構(gòu)
產(chǎn)品說明:
價格低,兩位式或連續(xù)式
DDA和DDC系列 風(fēng)門執(zhí)行機(jī)構(gòu)是不帶彈簧回位的執(zhí)行機(jī)構(gòu)用于暖通空調(diào)系統(tǒng)中風(fēng)門或閥門的控制。DDA系列執(zhí)行機(jī)構(gòu)可接受浮動控制信號,可選不同的電源。DDC系列執(zhí)行機(jī)構(gòu)可接受4到20 mA或0到10 VD連續(xù)控制,還帶有0-10VDC的閥位反饋信號輸出。它們的扭矩為17到70 in-lb (2 - 8 Nm) 。如果DDA上需要附帶輔助開關(guān),請咨詢工廠。
產(chǎn)品規(guī)格:
Power Requirements: DDA: 110 VAC, 24 VAC, ±10%, 50/60 Hz, single phase. Optional 230 VAC; DDC: 24 VAC, ±10%, 50/60 Hz, single phase.
Power Consumption: DDA: 110 VAC models: 5 VA, 230 VAC models: 5 VA, 24 VAC models: 3 VA; DDC: 4 VA.
Control Input: DDA: Two-position, floating; DDC: 4-20 mA or 0-10 VDC.
Overload Protection: Magnetic clutch.
Angle of Rotation: 95° (mechanically adjustable).
Fits Shaft Diameter: 0.4" (10 mm) or 0.5" (13 mm).
Position Indication: Visual indicator.
Direction of Rotation: CW/CCW.
Running Time: 17 in-lb, 35 in-lb, 53 in-lb: 72 sec.; 70 in-lb:160 sec.
Electrical Connection: Terminal block, 18 AWG.
Manual Override: Push button.
Temperature Limit: -22 to 122°F (-30 to 50°C).
Sound: <45 dB.
Life Expectancy: 60000 full cycles.
Housing: NEMA 2 (IP40).
Standard Accessories: (2) imitative baffles, (2) baffle setscrews, (1) actuator body setscrew, and (1) aluminum gasket.
Weight: 1.72 lb (0.78 kg).
聯(lián)系人:彭工
手機(jī):18918462396
電話:021-59718851
地址: 上海市青浦區(qū)青浦工業(yè)園清河灣路819弄