Axiom AX Explosion-Proof On/Off Valve Controller

Brand: Valmet

The Axiom explosion-proof platform, available in epoxy coated anodized aluminum or stainless steel, will withstand your most challenging plant environments. 

Its advanced position monitoring and integral pneumatic control offer the ultimate in reliability, convenience and value.
Features
  • Universal voltage solenoid system
  • Prefiltered pilot valve
  • Easy removal from automated valve package is accomplished
  • Integral pneumatic valve
  • External pneumatic valve override
  • Highest explosionproof ratings

Specifications

Brand

Accuracy

  • Intermediate Control: ± 3° of Rotation - Expeditor (80)
  • Position Monitoring: ± 1° of Rotation - Expeditor (80)
  • Pressure: ± 1 % of Full Scale - HART (71) with Diagnostics

Actuator Type

  • Double-Acting
  • Pneumatic
  • Single-Acting
  • Spring Return

Approvals & Certifications

  • CEC
  • IEC
  • NAMUR
  • NEC
  • VDI/VDE 3845

Cap Material

  • End: 316 Stainless Steel

Communication

  • AS-Interface
  • Bluetooth
  • DeviceNet
  • FOUNDATION Fieldbus
  • HART
  • Transmission Rate: Baud Rate: 125, 250, 500 Kbps - DeviceNet (92)

Conduit Connection

  • 3/4” NPT Female
  • M25 Female

Configuration

  • 2-Wire Solid State Switches - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35)
  • 4-20 mA Auxiliary Analog Input, 10-bit Resolution, No Additional Power Source Required - DeviceNet (92)
  • Auxiliary Discrete Input - AS-Interface (96), AS-Interface VCT with Extended Addressing (97)
  • Discrete Position Sensor Input - AS-Interface (96) with Diagnostics (D)
  • Discrete Sensor Input - AS-Interface (96), AS-Interface VCT with Extended Addressing (97), FOUNDATION Fieldbus VCT, Bus Powered (93), DeviceNet (92)
  • Low Air Supply Pressure Input - AS-Interface (96) with Diagnostics (D)
  • Parameter Bit Spring to Open/Close - AS-Interface (96) with Diagnostics (D)
  • Peripheral Fault Bit (Bad Coil or Stuck Spool) - AS-Interface (96) with Diagnostics (D)
  • Power Output (Solenoid) - AS-Interface (96), AS-Interface VCT with Extended Addressing (97),AS-Interface (96) with Diagnostics (D), FOUNDATION Fieldbus VCT, Bus Powered (93), DeviceNet (92)
  • Remote Sensor Setting - AS-Interface (96) with Diagnostics (D), DeviceNet (92)
  • Solenoid Power Input - NAMUR Sensors (44)
  • Solenoid Power Input - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35)
  • Stuck Valve/Actuator Input - AS-Interface (96) with Diagnostics (D)
  • Wink Feature - AS-Interface (96) with Diagnostics (D), DeviceNet (92)

Current

  • 2.1 mA - NAMUR Sensors (44)
  • Target on I < 1 mA - NAMUR Sensors (44)

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.5 W at 12 Vdc - Solenoid Pilot
  • 0.5 W at 24 Vdc - Solenoid Pilot
  • 0.6 W at 22-250 Vac/dc - Solenoid Pilot
  • 2 mA at 6.5 Vdc - Piezo Pilot (Bus Powered FOUNDATION Fieldbus)

Enclosure Finish

  • Epoxy Coated
  • Teflon-Coated

Enclosure, Body Material

  • 316 Stainless Steel
  • Anodized Aluminum

Environmental Protection

  • IP66
  • IP67
  • NEMA 4
  • NEMA 4X

Filter

  • 40 micron - Pneumatic Valve, Solenoid Pilot
  • Piezo: 30 microns - Pneumatic Valve, Piezo Pilot (Bus Powered FOUNDATION Fieldbus)

Flow Rate

  • 0.7 to 1.2 Cv

Indication

  • LED

Input

  • Auxiliary: 24 Vdc at 2 mA (Self-Powered) - AS-Interface (96), AS-Interface VCT with Extended Addressing (97)
  • Solenoid: 20-250 Vac - Stainless Steel Switching Sensors (35)
  • Solenoid: 20-60 Vdc - Stainless Steel Switching Sensors (35)
  • Solenoid: 22-130 Vac/dc - Stainless Steel Switching Sensors (33)

Lens

  • Lens (Visual Indicator): Lexan Polycarbonate

Loop Resistance

  • Position Feedback: 250 to 400 ohms at 24 Vdc - HART (71) with Diagnostics

Materials of Construction

  • Fastener, Mounting Manifold: 316 Stainless Steel
  • Mounting Plate Manifold: Stainless Steel
  • Prefilter: Stainless Steel
  • Seal Spacers, Drum (Visual Indicator): Polysulfone
  • Spool (Nickel-Plated), Mounting Plate Manifold (Anodized): Aluminum
  • Visual Indicator: Lexan

Media

  • Air

Mounting

  • Manifold

NPT Connection

  • 1/4” NPT Female
  • 3/8” NPT Female

O-Ring Material

  • Nitrile Compound

Operating Pressure

  • psi: 40 to 120 (kPa: 275.8 to 827.4, bar: 2.8 to 8.3) - Pneumatic Valve

Operating Temperature

  • -10° to 50° C (14° to 122° F) - Solenoid Pilot (1.2 Cv)
  • -10° to 60° C (14° to 140° F) - Piezo Pilot (Bus Powered FOUNDATION Fieldbus)
  • -18° to 50° C (0° to 122° F) - Solenoid Pilot (0.7 Cv)
  • Extended: -40° to 80° C (-40° to 176° F) - Solenoid Pilot (0.7 Cv)

Operation

  • Normally Closed (Solid State) - NAMUR Sensors (44)
  • Normally Open (Solid State) - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35)

Output

  • 0.5 W at 24 Vdc - AS-Interface (96) with Diagnostics (D)
  • 2 mA at 6.5 Vdc [Current Limited to 2 mA (Bus Powered)] - FOUNDATION Fieldbus VCT, Bus Powered (93)
  • 2 W at 24 Vdc - AS-Interface VCT with Extended Addressing (97)
  • 21-26 Vdc - AS-Interface (96), AS-Interface VCT with Extended Addressing (97)
  • 24 Vdc - AS-Interface (96) with Diagnostics (D), DeviceNet (92)
  • 4 W at 24 Vdc Both Outputs Combined - AS-Interface (96), DeviceNet (92)
  • Position Feedback: 4-20 mA - HART (71) with Diagnostics

Override

  • Manual Override

Power

  • Conventional Model 1D: 0.02 A at 24 Vdc / 0.5 W - HART (71) with Diagnostics, Expeditor
  • Intrinsic Safety Model 1E: 0.04 A at 12 Vdc / 0.5 W - HART (71) with Diagnostics, Expeditor

Power Supply

  • 24 Vdc

Pressure Cycles

  • Operating Life: 1 Million

Pressure Type

  • Differential

Rotation

  • 0° to 90° - Visual Indicator
  • 120°, Max.

Seat / Seal Material

  • Spool Seals: Nitrile Compound

Supply Pressure

  • psi: 40 (kPa: 270, bar: 2.7) Min. - Expeditor

Supply Pressure - Maximum

  • psi: 120 (kPa: 820, bar: 8.2) - Expeditor

Temperature Range

  • -18° to 50° C (0° to 122° F) - Expeditor
  • Extended: -20° to 80° C (-4° to 176° F) - Expeditor
  • Piezo Pilots: -10° to 60° C (14° to 140° F)

Valve Type

  • 5-Way, 2-Position
  • Solenoid Valve

Voltage

  • 125 Vdc - Stainless Steel Switching Sensors (33)
  • 20-125 Vac - Stainless Steel Switching Sensors (33)
  • 20-250 Vac - Stainless Steel Switching Sensors (35)
  • 7-24 Vdc - NAMUR Sensors (44)
  • 8-250 Vdc - Stainless Steel Switching Sensors (35)
  • Position Feedback Control (AI), Intermediate Position Control (AO): 9-35 Vdc - Expeditor (80)
  • Position Feedback: 14-35 Vdc (24 Vdc Nominal) - HART (71) with Diagnostics
  • Short Circuit: 125 Vac/dc - Stainless Steel Switching Sensors (33)
  • Solenoid: 12 Vdc (Intrinsic Safety Models) - Expeditor (80)
  • Solenoid: 24 Vdc (Conventional Models) - Expeditor (80)

Voltage Drop

  • 6.5 V at 10 mA - Max.
  • 7 V at 100 mA - Max.
  • 7.5 V at 100 mA - Max.

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