美國ASCO比例調(diào)節(jié)閥，阿斯卡比例調(diào)節(jié)閥

美國ASCO比例調(diào)節(jié)閥，阿斯卡比例調(diào)節(jié)閥

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聯(lián)系人：鄭娜

Flow rates adjustable between 0% and of rating.

? Control achieved by applying straight voltage between 0 and

24 VDC via potentiometer or other variable power supply.

CSA certified.

(sensors, transmitters, PLC, etc.) via an ASCO Electronic

Control Unit or similar circuit.

Standard: Red-Hat II Class F coil with DIN connection (meets ISO 4400/DIN

43650A standards).

Optional: For Class H coil, use prefix "SV" (for use with customer supplied

electronics): General Purpose and Watertight, Types 1, 2, 3, 3S, and 4X.

See Optional Features Section for other available options

Standard voltage: 24 VDC

UL recognized component with DIN solenoid (prefix SD or

SV). UL listed with threaded conduit (no prefix).

Sensitivity: <2% (<1% for 1/8” NPT Valves)?

? Percentage of max. value with 24 VDC, PWM,

300 Hz voltage supply at constant differential pressure

? Suitable for use in air/gas, low vacuum service, as well as to

precisely control flow of water

Refer to Engineering Section for details.

14°F to 167°F (-10°C to 75°C)

Refer to Engineering Section for details.

Note: The Electronic control unit (sold separately) is only

compatible with DIN connections

Coil: Molded Class F

Coil resistance: 25 Ohm at 68°F (20°C)

Operating current:100 - 500 mA

Electrical coil input: 0 - 24 VDC

Recommended PWM frequency: 300 Hz Air/Gas;

200 Hz Water/Light Oil

Hysteresis: <5% ?

Repeatability: <3% (<1% for 1/8” NPT Valves)?

? Flow rate can also be regulated by a range of electrical inputs

美國ASCO比例調(diào)節(jié)閥，阿斯卡比例調(diào)節(jié)閥