GRACO Screw, Enclosure, Check Valve - (SKU: 557617)The GRACO 557617 is an original equipment screw designed for use as an enclosure check valve component. It is essential for ensuring the proper functionality and performance of GRACO industrial equipment, typically used in fluid handling systems. The material is not specified in available sources. Key Features: Screw, Enclosure, Check Valve Designed for use with GRACO industrial equipment, particularly in check valve assemblies Original equipment part

1/2 NPT(M) x 3/8 NPT(F)

38802-15-SS

do not attempt to repair

Apply appropriate lubricant to threads and sealing surfaces as recommended

and other fluid handling equipment where robust flow control is required

single-line parallel automatic lubrication systems

Supports rear assembly movement

This kit is designed to replace worn-out diaphragms

It is a critical component for controlling fluid flow within industrial dispensing systems

Used for spraying architectural paints

It is typically made from durable materials suitable for sealing and wear resistance in pump assemblies

Long 80-foot length for extended reach