It features a 1/2 inch (13 mm) inlet and a 1/2 inch x 50 ft (13 mm x 15 m) hose with NPT connections
product listings often refer to this as a standard needle assembly for gravity feed guns
hydraulic system
The GRACO 558312 is a metering nipple valve designed for use in GRACO’s 3400 Series piston distributor systems
GRACO QUANTM i30 Aluminum Electric Diaphragm Pump, 1"NPT, 240 VAC 1Ph, AL Center, SS Seat, SS Ball, PO Diaphragm - (SKU: TE30-0454) It features a 1/2 inchThe GRACO QUANTM i30 is an electric double diaphragm pump designed for reliable, energy efficient fluid transfer in industrial applications. This model features an aluminum center (manifold), stainless steel seat and ball, and a polypropylene (PO) diaphragm, making it suitable for handling a wide range of fluids including chemicals, paints, coatings, and wastewater. It is engineered for heavy duty performance and is a drop in replacement for less