Safety Coupler (Self Lock / Air Breathing)
SERIES 21 KD - Miniature - Automatic Double Shut-Off - NOMINAL PLUG BORE .20"
   
   


Specifications:
  • Working Temperature: depending on medium
    -4F up to +210F (NBR)
    -40F up to +250/300F (EPDM)
    +5F up to +400F (FKM)
    +32F up to +600F (FFKM)
    At a temperature below -4F and above +300F special seals are available
  • Working Pressure: 500 psi, maximum static working pressure with 4:1 design factor.

Note:
  • Metric male (DIN 2353) & female threads and BSP male & female threads are available upon request.
  
  
Features Product Details Technical Info

   
The coupler and the plug are both fitted with a valve. Both valves are open when the connection is made which guarantees immediate flow. To prevent leaking, the valves close when the coupler is disconnected. The special locking system, based on 21KS, prevents an unintentional disconnection.
 
 


Material
 
COUPLER   STANDARD
MATERIAL
Back Body Brass,
Nickel Plated
Valve Body Brass,
Nickel Plated
Sleeve Brass,
Nickel Plated
Valve Brass
Spring &
Locking Ring
AISI 301
Locking Balls AISI 420
Seals NBR
PLUG  
Plug Profile Brass,
Nickel Plated
Back Body Brass,
Nickel Plated
Valve Brass
Spring AISI 301
Seal NBR
 
 
 
 
 
Safety (Safety Lock / Air Breathing) Coupler
        
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