GRACO PISTON,21.336,5/16,UHMW,HD - (SKU: 01/0057-1V/88)The GRACO 01 0057 1V 88 PISTON is a precision engineered component designed for use in GRACO fluid handling equipment. Constructed from ultra high molecular weight polyethylene (UHMW), this piston ensures durable and reliable performance in demanding applications. Its primary function is to facilitate smooth and precise displacement of materials within the equipment, maintaining operational efficiency and productivity. Key Features: Piston Ultra High

providing chemical resistance and durability for demanding industrial applications

Used in GRACO equipment for applications requiring precise and durable piston components

GRACO 515 and 716 series diaphragm pumps

The kit is intended for industrial applications where robust and dependable fluid transfer is required

externally accessible air valve for easy servicing

Maximum fluid pressure: 100–125 psi (varies by configuration)

Replace worn or damaged parts with genuine GRACO components

Regular preventative maintenance is recommended for peak performance and longevity[1]

Use only compatible fluids to prevent material degradation

polytetrafluoroethylene (PTFE/PT)

and SaniForce® 515 diaphragm pumps

stainless steel seats