680 Series: Internal Valve Flanges
The 680AF (aluminium) and 680SF (steel) weld-on tank mounting flanges are welded to the underside of each tank compartment. The 680 series flanges house the 681 internal valve and allow fitting of the 683 outlet elbows.
• Casting design reduces warping when welded to aluminium tank shell.
• Machined recess assures correct seating and sealing of 681 internal valve with the O-ring seal.
• The flanges are supplied with studs, nuts and spring washers.
• Weights 680AF = 1.7kg
680SF = 1.7kg
680AF-100 Aluminium Flange
680SF-100 Steel Flange
681-100 Internal valve complete with O-ring
681D-100 Internal valve c/w O-Ring and deflector
683A-100 Outlet elbow for top operation
683AH-100 Squat outlet elbow for bottom operation