GRACO Priming Piston Rod, 12:1 Ratio - (SKU: 16G437)The GRACO 16G437 is a priming piston rod designed for use in GRACO 12: 1 ratio piston pumps. It is typically constructed from durable materials suitable for industrial applications, such as stainless steel or hardened alloys, and is intended to facilitate the priming process in high pressure pump systems, ensuring reliable fluid transfer and system startup. Key Features: Priming Piston Rod 12: 1 Ratio Compatible with GRACO 12: 1 piston pumps, such as

Suitable for use in GRACO Husky 1050 series diaphragm pumps[2][4]

and maintenance applications where reliable hose performance is required

but confirm with manual for this specific part)

reliable sealing

Inlet Assembly

Ensure all old seals and gaskets are removed and surfaces are clean before installing new seals

5B (specific wetted parts may vary by configuration)

It is typically made from materials suitable for handling fluids under pressure

Designed for use with GRACO equipment requiring a 7

Standard NPT threading for easy integration with existing systems

2 mm (1/8 in)

Suitable for routine maintenance and replacement