Kirby Morgan Adjustable Nipple

• The 455 Balanced Regulator and Balanced Scuba Regulator assembly will now use the P/N 550-163 Adjustable Nipple used in the KM Diamond main tube and Surface Supply MOD-1 main tube assembly.
• Kirby Morgan will install P/N 550-163 Adjustable Nipple on all future production of the 455 Balanced Regulator and Balanced Scuba Regulator.
• This change allows the 455 Balanced Regulator and Balanced Scuba Regulator to perform at a higher degree when testing at very high flow rates.

Kirby Morgan P/N 550-163 Adjustable Nipple Change to Product Bulletin

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