GRACO Piston, 20.000, 5/16, UHMW, HD - (SKU: 01/0057-1/88)The GRACO 01 0057 1 88 is a piston designed for use in GRACO fluid handling equipment. It is constructed from ultra high molecular weight polyethylene (UHMW), a high density material known for its durability and resistance to wear. This piston is essential for ensuring smooth and precise displacement of materials within the equipment, contributing to reliable performance and operational efficiency[4][5][3]. Key Features: Piston 20. 000, 5 16 Ultra

some listings specify 50–100 psi for specific models[1][2][4]

The GRACO 129644 is a power cable designed specifically for use with GRACO Electric Grease Jockey® automatic lubrication pumps

Ease of maintenance: Designed for straightforward replacement of diaphragms

though specific glass type is not specified

Teflon™ PTFE (TP)

providing durability and chemical resistance for demanding industrial applications

Husky 2200 series

The kit is constructed with Santoprene™ materials

maximum solid size: 1/8 in (3

ensuring reliable operation in demanding environments

Two-piece design with PTFE diaphragms and Santoprene backup diaphragms

Reduced pulsation and rapid changeover