Autolock camlock coupling was also refered to as self-locking camlock coupling.The cam arms were specially designed for the safety and convenience of connection.You can simply close the cam arms just like a regular camlock,but the cam arms lock them selves automatically with a positive click.Autolock coupling hold the adaptor more securely to the coupler to provide added protec tion against accidental release. Application The couplings are capable of transporting liquids,solids and gases,except liquid gas and steam. Material Stainless steel AISI316/AISI304 by investment casting Size Autolock camlock couplings from 1/2" to 4" are available Seal 1.The standard flat gasket seal for the autolock camlock is NBR 2.The gasket for DIN female thread coupling according to EN 14420-5,the standard material is PTFE for stainless steel. Features 1.Handles are made of stainless steel AISI 304 as a standard. 2.Provides extra protection against accidental release. Thread NPT/BSP