GRACO TAPELAZER VALVE, UNIDIRECTIONAL, BLOCKING - (SKU: 20A642)The GRACO 20A642 is a unidirectional, blocking valve designed for use within GRACO TapeLazer equipment. Its material is not specified in available sources, but it is engineered to control or block the flow of air or fluid in one direction, ensuring proper operation and safety in traffic tape application machinery. Key Features: Unidirectional, Blocking Valve 20A642 Designed for use with GRACO TapeLazer equipment Unidirectional flow control Blocking

Standard O-ring design for quick replacement

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supporting optimal equipment performance

Its intended use is to maintain seal integrity in equipment that moves

Replace immediately if leaks or damage are detected

The GRACO 17L555 is a replacement gasket made from Viton

particularly within GRACO pump systems for lubrication

Supports both solvent-based and water-based products

It is intended for use as a frame-mounted power switch conversion kit in GRACO equipment

It is constructed from nylon (NYL) and is intended to function as a durable

Facilitates correct setup and optimal performance

but it is engineered for durability and proper electrical function