Spring Retainer PN 1075344 (item #28 in drawing below) used in the 1/2” AquaMatic Isolated Bonnet valves series K550 will be changing material from Noryl to 303 Stainless Steel. The dimensional characteristics of the part will remain the same and they can be used interchangeably. Note the mating parts like Spring (item #29) and Centering Collar (item #30) are also stainless.… Read article...
The Disc Holders used in the 4” AquaMatic valves series 428 and AV8 will be changing material from Aluminum Bronze to 303 Stainless Steel. The dimensional characteristics of the parts will remain the same and they can be used interchangeably. As a result, the Aluminum Bronze parts will be obsoleted and replaced with the Stainless parts in both valves and kits.… Read article...
In 2011, Teflon Disks were replaced with Hycar Disks in all VAV valve assemblies. The Teflon Disks were kept in the High Temperature Repair Kits at that time. A change is underway to fully obsolete the Teflon Disks and replace with Hycar Disks once current inventory is exhausted. This change does not affect the form, fit, or function of the parts and the temperature rating remains unchanged.… Read article...
Shaft Guides for 2” and 3” metal valves (V425, VAV5, V426, VAV6, V427, and VAV7) are being updated to use a new investment cast design. The fit, and function of the parts will remain unaffected and the new Shaft Guides will be fully interchangeable with the old.
The new style Shaft Guides will feature a 1.25” hex for easy removal and maintain the dual shaft o-ring design for improved shaft alignment.… Read article...
The Shaft for V421 and VAV1 valves are being updated to a new single piece design. This new design incorporates the shaft and disk holder into a single piece eliminating one potential leak point within the valve. The new shafts also feature a flat under the diaphragm allowing a wrench to stop rotation during installation and removal.… Read article...
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