The adaptor when pushed into the coupler is securely held by the self locking arrangements resulting in a positive and leak proof connection. This action simultaneously opens the valve and fluid flow starts. To disconnect, pull back the sleeve of the coupler, the adaptor ejects out and the valve shuts off automatically. Valves are provided in GSV and GDV type.

The adaptor when pushed into the coupler is securely held by the self locking arrangements resulting in a positive and leak proof connection. This action simultaneously opens the valve and fluid flow starts. To disconnect, pull back the sleeve of the coupler, the adaptor ejects out and the valve shuts off automatically. Valves are provided in GSV and GDV type.