• CKD MULTILEX Explosion-Proof Large Bore Pilot Operated 2-Port Solenoid Valve AD21EX4 Series (Ex d IIB T4, Diaphragm, NC)
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CKD MULTILEX Explosion-Proof Large Bore Pilot Operated 2-Port Solenoid Valve AD21EX4 Series (Ex d IIB T4, Diaphragm, NC)

CKD MULTILEX Explosion-Proof Large Bore Pilot Operated 2-Port Solenoid Valve AD21EX4 Series (Ex d IIB T4, Diaphragm, NC)

Flameproof (Ex d IIB T4) large-bore pilot-operated diaphragm 2-port solenoid valve from the MULTILEX range.

Key features

  • Normally closed, Rc1-1/4 to Rc2 threaded or 32A to 50A flanged ports
  • Codes give the base port size

Specifications

Min op. pressure diff. (MPa) 0.02
Max op. pressure diff. air (MPa) AC 0.7 / DC 0.6
Max op. pressure diff. oil (MPa) AC 0.6 / DC 0.6
Type NC
Max working pressure (MPa) 1
Explosion protection flameproof Ex d IIB T4
Fluid air, water, kerosene, oil
Coil voltage AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-32A Port: Rc1-1/4 | Orifice (mm): 35 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 4.0 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-32F Port: 32A flange | Orifice (mm): 35 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 7.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-40A Port: Rc1-1/2 | Orifice (mm): 43 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 5.0 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-40F Port: 40A flange | Orifice (mm): 43 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 8.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-50A Port: Rc2 | Orifice (mm): 53 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 6.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-50F Port: 50A flange | Orifice (mm): 53 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 10.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
Explosion-Proof Solenoid ValvesCKD
6 product codes available in this family
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CKD MULTILEX Explosion-Proof Large Bore Pilot Operated 2-Port Solenoid Valve AD21EX4 Series (Ex d IIB T4, Diaphragm, NC)

Brand CKD·Explosion-Proof Solenoid Valves

Available part numbers (6)

AD21EX4-32A, AD21EX4-32F, AD21EX4-40A, AD21EX4-40F, AD21EX4-50A, AD21EX4-50F

How to order

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Product codes & specifications
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Product codeSpec
AD21EX4-32APort: Rc1-1/4 | Orifice (mm): 35 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 4.0 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-32FPort: 32A flange | Orifice (mm): 35 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 7.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-40APort: Rc1-1/2 | Orifice (mm): 43 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 5.0 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-40FPort: 40A flange | Orifice (mm): 43 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 8.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-50APort: Rc2 | Orifice (mm): 53 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 6.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)
AD21EX4-50FPort: 50A flange | Orifice (mm): 53 | Min op. pressure diff. (MPa): 0.02 | Max op. pressure diff. air (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. water/kerosene (MPa): AC 0.7 / DC 0.6 | Max op. pressure diff. oil (MPa): AC 0.6 / DC 0.6 | Mass (kg): 10.5 | Type: NC | Max working pressure (MPa): 1 | Explosion protection: flameproof Ex d IIB T4 | Fluid: air, water, kerosene, oil | Coil voltage: AC100V, AC200V (option DC12V, DC24V, DC48V, DC100V)

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