Discrete Valve Controller

Discrete Valve Controller

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Top Valve Controller

Product ID: ALSD300C1S1M2

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ACHEM ALSD series top valve controller which was developed and made by AFL Group is an optimizing solution for on/off valve control and position sensing in the process industries. Armed with low watt miniature pilot coil, spool valve, position sensors, and bus communication cards, the ALSD series top valve controller help plants, platforms and pipelines improve productivity and increase safety in the harshest environments and toughest applications.

Based on the standard design of Namur and ISO5211, the ALSD series top valve controller can be mounted on any rotary pneumatic actuators. As for the position sensing of the valve, the mechanical switch, proximity sensor, magnet sensor, ASi sensor and DeviceNet sensor are all available in ALSD series top valve controller. As for the on./off valve control, ALSD series top valve controller is suitable for use of 3/2 NC or 5/2 functions to control double-acting and single-acting pneumatic actuators and also is suitable for pilot operated with single/dual (mono/bi-stable) coils.
PRODUCT NAME Top Valve Controller
Enclosure Die-casting aluminum: O-ring sealed
Coating Dichromate conversion with polyester powder coating
O-rings Buna N
Environment Type 4, 4X, IP67
Area Classification Standard
Fasteners Stainless steel
Shaft Stainless steel Namur
Conduit Entries Two ½” NPT
  Also available with two ½” BSPP, M20-1.5
Pilot Coil Standard C1: 15mm FIM pilot, Orifice 1.1mm, 12,24VDC(﹤2.3W), 110,220VAC(2.8VA)
Pilot Coil Optional C1: 15mm Crouzet pilot, Orifice 0.5mm, 24VDC(﹤1W), Ex ia II C T6
Pilot Coil Optional C2: 10mm pilot, Orifice 0.7mm, 6,12,24VDC(﹤1.3W)
Spool Valve S1: 5/2 Aluminum spool valve, Anodized coated in black
  Single pilot actuated, With manual operator Cv=1.4
  3/2 available with plug
Sensor Standard M2: 2 SPDT CROUZET, mechanical switches, 15A125-250 VAC
Sensor Optional ML2: Low Temp.-40℃ 2 SPDT CROUZET, 15A125-250VAC
Sensor Optional MG2: Gold contacts 2 SPDT CROUZET, 15A125-250VAC
Sensor Optional M3: 3 SPDT CROUZET , 15A125-250VAC
Sensor Optional M4: 4 SPDT CROUZET, 15A125-250VAC
Sensor Optional M5: 2 DPDT CROUZET, 15A125-250VAC
Sensor Optional PP22: 2-p+f NCB2-V3-No inductive sensors NAMUR (2 wire), 8DCV,
Sensor Optional PA22/3: 2-ALPS Inductive sensors (2/3 wire), 10-30 VDC,
Sensor Optional QA23: 2-ALMS Magnet sensors (3 wire), 5-240 VAC/DC,
Terminal Strip Contacts 8~14
Mounting Bracket MB – 3.3: 30 x 80, 130 H:20, 30 (Carbon steel)
Working Pressure 1.5~8 bar
Working Medium less than 40µm filtered and dried air
Temperature Rating -20℃-85℃

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