Standards Compliance

List of CKD Products Conforming to North American standards (UL/CSA)

Not all products beginning with the product series number given in the list of products conforming to the standards are certified (for example, products with/without certain specifications and custom order products). The list is for reference only. Please contact our local sales representative for specific model numbers.

Directional control valves (Serial Transmission)

3, 5-port pilot operated valve 4GA/BR・M4GA/BR・MN4GA/BR Series (Individual wiring・VDC24 only)
Model name UL CSA
  Standard     Verification No.     Issuing Authority     Standard     Verification No.     Issuing Authority  
4GA/B1～3R
M4GA1～3R, M4GB1～3R
MN4GA1～2R, MN4GB1～2R		 UL429 MH47133 UL CSA-C22.2
№139-1982		 MH47133 UL
3, 5-port pilot operated valve 4GD/ER・M4GD/ER・MN4GD/ER Series (Individual wiring・VDC24 only)
Model name UL CSA
  Standard     Verification No.     Issuing Authority     Standard     Verification No.     Issuing Authority  
4GD1～3R, 4GE1～3R
M4GD1～3R, M4GE1～3R
MN4GD1～2R, MN4GE1～2R		 UL429 MH47133 UL CSA-C22.2
№139-1982		 MH47133 UL
【Discontinued model】3, 5-port pilot operated valve 4GA/B・M4GA/B・MN4GA/B Series
Model name UL CSA
  Standard     Verification No.     Issuing Authority     Standard     Verification No.     Issuing Authority  
3GA1-3, 3GB1-2
4GA1～3, 4GB1～3
M3GA1～3, M3GB1～2
M4GA1～3, M4GB1～2
MN3GA1～2, MN3GB1～2
MN4GA1～2, MN4GB1～2		 UL429 MH47133 UL CSA-C22.2
№139-1982		 MH47133 UL
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