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Axiom AX Explosion-Proof On/Off Valve Controller
Brand: ValmetThe 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.
