Pneumatic Positioner

Pneumatic Positioner

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Pneumatic Positioner

Product ID: ALP1000L

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The ALP series valve positioner is designed and manufactured by AFL Group based on the design ideas of block structure, multi-port function and the advanced technology of explosion proof. ALP1000L positioner is linear type electric to pneumatic positioner which controls valve stroke accurately, through pressure air, according to input signal of 4-20mA. Armed with linear standard bracket, the pneumatic positioner can be mounted with any type linear control valve to control any valve position accurately. The internal limit switches or internal valve position transmitter is available for choice in ALP series pneumatic positioner.

The ALP series valve positioners are provided with following advanced features:

-There is no resonance to the operation of positioner in the range of 5~200Hz.

-Performing 1/2 Split Control without any other substitutes.

-Easy to adjust zero and span.

-Easy to convert from Reverse Action to Direct Action or vice versa.

-Easy to convert from Spring Return to Double Action actuator or vice versa.

-Easy Feedback Connection and meeting the standard of ISO5211 and Namur.

-Fast and accurate response.

-Low air consumption.

-Easy to protect from hunting effect by using output orifice.
MODEL NO.ALP1000LDn13SpecificationsTechnical Data
PRODUCT LINE ALP Series Pneumatic Positioner Input signal 4~20mADC(5-15mADC)
Type of the positioner L: Linear, 10-150mm Impedance 250±15 Ω
Type of Acting Standard D: Double Acting Supply pressure 1.4~7kgf/cm2(20~100psi)
Type of Acting Optional S: Single Acting Air connection G(NPT)1/4″
Internal Installation Standard Blank: Not Gauge connection G(NPT)1/8″
Internal Installation Optional T: Position Transmitter Conduit G(NPT)1/2″
Internal Installation Optional B: Internal Limit Switches Weather protection IP66
Explosion Proof Standard n: no explosion proof Ambient temperature -20℃~70℃
Explosion Proof Optional m: Ex d IIB T6 Linearity ±1.5%
Lever Type Standard 1: 10-40mm Air consumption 3LPM(Sup=1.4kgf/cm2, 20psi)
Lever Type Optional 2: 40-70mm Flow capacity 8LPM(Sup=1.4kgf/cm2, 20psi)
Lever Type Optional 3: 70-100mm Material Aluminum Die Casting
Lever Type Optional 4: 100-130mm Weight 2.7kg(6lb)2.8kg(6.2lb)
Lever Type Optional 5: 130-150mm
Orifice Size Optional 1: for <90cm3 volume actuator
Orifice Size Optional 2: for 90-180cm3 volume actuator
Orifice Size Optional 3: for >180cm3 volume actuator

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