Pipe and Hose Quick-Disconnect Couplings » Flat-Face Quick-Disconnect Coupling
     
 

Flat-Face Quick-Disconnect Coupling

Non-spill, robust and safe for any application
DBG series, DN 6 to 65
More than 500,000 coupling cycles
Most cost-effective of plain, low-alloy stainless steel

The flat-face sealing design enables non-spill disconnect and inclusion-free coupling operations.

  • Temperatures ranging between -60°C and +315°C
  • Single-hand operation
  • Non-spill disconnection: No environmental damage or hazards to persons due to spilled liquid or exiting gas
  • Inclusion-free coupling operation: No ingress of air or dirt into the piping system
  • CIP capability (Cleaning-in-Place): Inline cleaning without product residues
  • Seal replacement at the socket with coupling still in place
  • All types of connection: numerous thread types, hose nipples, flanges, special connections
  • Stainless steel, Hastelloy
  • Special types:
    • with hose breaking safeguard
    • with electronic identification system
    • with mechanical pin coding
    • with handles
  • Ready-to-install couplings for docking systems
  • Series products available from stock

Technical Data

Series Nominal diameter Admissible operating pressure Connection
       
DBG 2 DN 6 350 bar 1/4"
DBG 3 DN 10 350 bar 3/8"
DBG 4 DN 12 250 bar 1/2"
DBG 6 DN 20 200 bar 3/4"
DBG 8 DN 25 105 bar 1"
DBG 12 DN 40 60 bar 1.1/2"
DBG 20 DN 65 20 bar 2.1/2"

Safety factor 4:1

 

Seals*   Casing materials  
Viton® -20°C to +200°C Stainless steel plain, low-alloy stainless steel
EPDM -60°C to +150°C Stainless steel 1.4404
Kalrez® -5°C to +300°C Hastelloy 2.4819
    Titanium 3.7035
*other elastomers on request!