Kee 399 Series pneumatic quick-connect coupling and plug (metal, knurled grip) for air hoses
Nominal Diameter 10mm

399 Series | Safety Lock Double Shut Off Quick Release Couplings & Plugs

399 series is a double shut off coupling also offering additional safety using safety locking sleeve which prevents unintentional disconnection.

Engineering sketch of a stepped cylindrical component with a threaded neck, showing overall height 25, diameters Ø19.8, Ø18.0, and Ø21.4, and a base labeled with the number 399.

Female Thread BSPP Coupling

Part Number Length Diameter Thread
399CDFP38SNP 60mm 25mm 3/8"

Female Thread BSPP Plug

Part Number Length Diameter Thread
399PDFP38SNP 42mm 21mm 3/8"

Coupling Cap

Part Number
399CC38

Plug Cap

Part Number
399PC38

Advantages

  • Twin handed operation
  • Additional safety locking sleeve

Technical Specifications

Coupling Specifications

Back Body: Steel

Valve Body: Steel

Sleeve: Steel

Spring: Stainless Steel 301

Locking Balls: Stainless Steel 420

Plug Specifications

Plug: Steel

Valve: Brass (MS 58)

Spring: Stainless Steel 301

Seal: NBR

Working Limits

Working Temperature

-30°C to +100°C (NBR)

-40°C to +130°C (EPDM)

-15°C to +200°C (Viton)

Depending on Medium

Working Pressure

350 Bar

Maximum static working pressure with safety factor 4:1

Interchangeability

Interchangeable With:
  • Tema 3800
  • CEJN 525
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