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PT7

Vous vous trouvez dans la vue d'ensemble de l'article: PT7
Veuillez choisir une variante de l'article dans le tableau de vue d'ensemble ci-dessous.

Description:
The proportional valve translates a direct current or voltage
signal into a linear proportional pneumatic outlet signal. With
rapid response controls using low-powered piezo microelectronics,
flapper nozzle and solid state control circuit. The proportional
valve has internal electronic with an electrical feedback sensor
and is housed in NEMA4X (IP65) enclosure with six outlet ranges,
jumper selectable. Input and outlet ports on both ends of the body
simplify pneumatic piping.

Media: 5 µm filtered compressed air or non-corrosive gases

Supply_voltage:
7…30 V DC, 90 mW, required for 0…10 V setpoint input only,
with reverse voltage protection

Electrical_connector:
plug according to DIN 43650A, contact gap 18 mm, 3-pin,
with coupling socket 30 x 30 mm

Command_signal:
0 … 10 V/ 10 kΩ, 3-pin, 24 V DC supply voltage,
4 … 20 mA / 330 Ω, two-wire, min. 7 V DC on input

Failsafe: exhaust at power breakdown
Response_sensitivity: < 0.2% FS
Linearity: < 0.25% FS
Repeatability: < 0.1% FS
Hysteresis: < 0.1% FS at 0.2…0.5 bar, otherwise < 0.25% FS
Vibration_sensitivity: < 1% FS, for 10 g and 15 … 500 Hz

Adjustment:
Zero point = by 0.3 bar
Range = 40% FS

Mounting_position: any
Temperature_range: -40 °C to 70 °C / -40 °F to 158 °F
Protection_class: IP 65

Body: chromated aluminium
Elastomer: NBR/Buna-N
Nozzle: sapphire in nickel-plated brass plate
Inner_valve: stainless steel, brass, zinc-plated steel

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