K and L couplings' Ultra Flo valve increases efficiency by 80%. They are available in Industrial, Aro 210, and European (high flow) interchanges and offer high performance with low pressure drop and increased productivity. Many hose and thread size connections available. L-type is designed for low force connection between coupler and plug under pressure, providing repetitive connection and disconnection.
Nycoil, (866) 322-6644, www.nycoil.com