GRACO 25A861 - 1050 IND FK Kit - FK, FK, FK, FK

Fluoroelastomer kit - one of the Bolt-Through Diaphragm Kits for Husky 1050 Diaphragm Pumps

Specifications

• Material: FK (Viton)
• Pump Material: M/P
• Seats: FK
• Balls: FK
• Diaphragms: FK
• O Rings: PT

Compatible Equipment

• 1050 pump series with M/P pump material, P drive identifier, A01A center section and air valve, A1 fluid covers and manifolds, SS seats, BN balls, BN diaphragms, PT manifold O-Rings
• 1050 IND
• Husky 1050 Diaphragm Pumps

Related Parts

• 25A855
• 25A856
• 25C819
• 25A857
• 25A858
• 25A859
• 25A860
• 25A862
• 25C820
• 25A863

Kit Contents

• FK seats
• FK balls
• FK diaphragms
• PT O-Rings
• 101 - DIAPHRAGM, material shown at left
• 103 - O-RING, shaft bolt, for 1050A (aluminum), 1050H (hastelloy), and 1050S (stainless steel) models
• 104 - TOOL, diaphragm install
• 105 - O-RINGS, manifold, PTFE (not shown)
• ADHESIVE, anaerobic (not shown)
• SEAT (not shown), TPE (25A857), Geolast (25A858), polypropylene (25A859), Fluoroelastomer (25A861), Santoprene (25A863)
• BALL (not shown), acetal (25A857), Geolast (25A858), Santoprene (25A859, 25A863), Fluoroelastomer (25A861)

This is a complete seat, check ball, and diaphragm kit for 1050 series pumps. FK material is Viton which provides chemical resistance. This is a fluid section repair kit for 1050 IND equipment. The FK designation appears to refer to a specific component type, with the pattern FK,FK,FK,-- indicating three FK components and one unspecified component. Part of the Kits 24B629, 25A861, Fluoroelastomer family. Assembly requires torquing to 20-25 ft-lb (27-34 Nm) at 100 cpm maximum, and AIR SIDE markings on diaphragm must face center housing.

Reference Manuals

• 313435 (Page 30)
• 334189 (Page 34)
• 406807 (Page 1)