GRACO Em Series Em20 Valve, Flex Ext, 1/2" Bspt - (SKU: 25C921)The GRACO 25C921 is a manual valve component from the Em Series, specifically the Em20 Valve with a flexible extension and 1 2" BSPT (British Standard Pipe Taper) connection. It is designed for use within GRACO lubrication systems to control the flow of lubricants. The material is not specified in available documentation, but typical GRACO industrial valves are constructed from robust metals or engineered plastics for durability and chemical

and safety in lubrication and maintenance systems

specifically as a seat control component

Ensure proper cleaning and inspection of the seat area before installation

It features a stainless steel (SST) spring type construction and is intended for use with solvent-borne materials in industrial fluid handling applications

providing structural integrity and alignment for the piston within the pump system

Robust industrial-grade connector

intended to restore or upgrade the sealing performance of the pump's lower assembly

Follow manufacturer guidelines for inlet and discharge connections (2" NPT or BSPT)

15 ±2 ft-lb (20

Used for the maintenance and repair of GRACO air-operated double diaphragm pumps in various industrial applications

Inspect for wear and replace parts as necessary

It is used to ensure robust and vibration-resistant connections in various GRACO systems