Double shutoff, dry-break and connectable under residual pressure
Hose couplings of type DBG-SV are fitted with automa-tically closing shut-off valves. Upon disconnection no fluid will escape from hose or tank, and when the con-nection is made neither air nor dirt will enter the line system. These dry-break hose couplings offer a high degree of safety when fueling, filling in or refilling fluid since despite repeated coupling operations damage to the environment or hazard to persons due to spilled fluid is ruled out. The fluid will not come into contact with ambient air. Connecting and disconnecting is a very simple and easy task even when the lines are under residual pressure.
|Technical Data Series DBG-SV|
|Nominal diameter||DN 25||DN 40||DN 50||DN 65|
|Admissible operating pressure [bar]1)||65||40||25||16|
|Max. loss through wetting of valves [ml]||0.1||0.3||2.2||3.6|
|Female thread G||1||1.1/2||2||2.1/2|
|Width A/F 1/2||55 & Ø6 / 50||65 / 70||75 / 65||95 / 90|
* static, coupled at 20°C
Stainless steel (1.4404 or 1.4571)
FPM, EPDM, FFKM, FVMQ, NBR, CR etc. (also FDA compliant)
–80°C to +260°C (depending on seal type)
During coupling socket and plug are pushed into each other. The coupling is sealed off towards the outside. By a good one-third turn socket and plug interlock and open the valves so that the fluid passage is cleared. Because of the coupling design without dead spots air cannot ingress when the coupling is connected,
neither can spillage occur during separation.
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