Because of its unique poppet action the OPW Kamvalok® Dry Disconnect virtually eliminates spillage of any residual liquid contained within the line after disconnection.

Kamvaloks®are used at transfer points where product loss is unacceptable. Common applications include: paint, lacquers, inks, adhesives, fatty acids, pharmaceuticals, liquid soaps, petroleum products, solvents, ag-chemicals, vegetable oils, detergents,
and many acids and caustics.

The OPW Engineered Systems Kamvalok® Dry Disconnects are designed to automatically shut off in the event of an accidental disconnection of the coupler and adaptor. Should the Kamvalok® be accidentally disconnected due to operator error or accident while the lever is in the open position and product flow is in progress, the poppet in the adaptor will automatically close and the seal cylinder will immediately stop flow through the coupler. The coupler poppet mates with the adaptor poppet, pushing it open when the lever is actuated, allowing for the full flow of product.

After the Kamvalok adaptor and coupler are firmly coupled together, the coupler lever is turned to the OPEN position. This action moves the coupler poppet toward the adaptor poppet disc until the two mating discs make contact. By completely turning the lever to the full open position the coupler poppet is extended beyond the end of the coupler, depressing the adaptor poppet back into the adaptor body.

This creates clearance for the liquid flow around both the coupler and adaptor discs. Guiding fins in the coupler and deflectors in the adaptor ensure even flow characteristics. When the lever is returned to the CLOSED position the poppets are closed and the disconnection can be made. With the exception of the minimal amount of liquid captured between the two discs, spillage is prevented.

Kamvaloks® are very popular in custom blending operations because of their high reliability and ease of use. In major blending operations, OPW Kamvalok® couplings are commonly used in conjunction with the OPW rotary manifold system. Kamvalok® couplings and adaptors can be outfitted with interlock sensors to ensure against cross-contamination during the blending process.