Mueller Refrigeration Engineering Change Notifications

Documents below provide notifications of Mueller Refrigeration design changes made to our products.

Engineering Change Notifications: Ball Valves

• 2006.04.21 Ball Valve Conical Tube

  

• 2007.12.12 Ball Valve Padmount

  

• 2008.05.20 Ball Valve 3_4, 7_8 Sizes

  

• 2009.09.01 Ball Valves 7_8 Part Number Change

  

• 2010.08.10 Ball Valves 1 1_8 Sized Design Improvement

  

• 2011.12.06 Ball Valves 1 3_8 Sized Design Improvement

  

• 2012.07.16 Ball Valves 3_4, 7_8 Sized Design Improvement

  

• 2013.01.15 Ball Valves 1 1_8 Part Number Change

  

• 2013.07.4 Ball Valves 1 5-8 Sized Design Improvement

  

• 2015.11.5 Multi Split Ball Valve Redesign

  

• 2017.5.5 Actuated Ball Valve Hub Design Change

  

• 2018.02.23 1 1/8 Transcritical CO2 Ball Valve Change

  

• 2020.04.15 Transcritical CO2 Ball Valve Design Release

  

Engineering Change Notifications:  Cast Iron Product Line

• 2016.11.22 Cast Iron Product Line

  

Engineering Change Notifications: Check Valves

• 2012.01.08 Inline Check Valve Seat Change

  

• 2021.01.08 1 3/8 and 1 5/8 4-Bolt Check Valve Redesign

  

Engineering Change Notifications: Components

• 2005.03.02 Stem Packing Neoprene

  

• 2009.08.10 Seal Cap P 34632

  

• 2009.09.20 Seal Cap A 15099

  

• 2010.08.02 Bolts Grade

  

• 2011.04.15 Seal Cap P 34632 Pin Removal

  

• 2012.06.04 Stem Packing A 04703

  

• 2014.08.25 Retrofit Cap Design Improvement

  

• 2020.08.5 1/4 Flare Seal Cap

  

Engineering Change Notifications:  Line Valves

• 2015.10.21 Steel Angle Isolation Valve Product Line

  

• 2018.3.15 Brass Angle Valve Steel Cap

  

• 2018.4.4 Diaphragm Valve Change

  

• 2018.4.9 Brass Angle Valve Packing Component Assembly

  

• 2019.8.8 3/8" Packless Diaphragm Valves

  

• 2020.8.5 1/4 NPTFE x 3/8 OD Brass Angle Valve B 35523

  

• 2020.8.18 Brass Angle Valve cap change

  

• 2022.9.13 Packed Angle Valve Release Notification

  

• 2023.12.6 Packed Angle Valve O-Rings

  

• 2024.4.24 Angle Diaphragm Valve Notification

  

Engineering Change Notifications:  Protection Devices

• 2019.2.22 Sight Glass/Moisture Indicator

  

• 2021.3.22 Sight Glass Moisture Indicator

  

Engineering Change Notifications: Relief Valves

• 2011.01.25 Relief Valve Consolidation Discharge Capacity

  

• 2018.04.02 Relief Valve Change A 15501, A 15508, A 15509

  

• 2022.2.11 Relief Valve Wire Removal

  

Engineering Change Notifications:  General

• UK Conformity Assesssed

  

• Obsolete Products - June 21, 2022

  

• Obsolete Products - July 15, 2022

  

• Fusible Pipe Plug Cleaning Process - July 19, 2022

  

• Obsolete Products - August 15, 2023