Design Change Notifications
MicroBulk Systems
- 2019 Apr - Upgraded PB Return Components on Perma-Cyl® VHPs (DCN-122)
- 2019-Feb – PC 1000 and 2200 models now standard with lab base (DCN-121)
- 2019-Jan – End of Life for Chart’s OnSite Telemetry System (DCN-118)
- 2019-Jan – PC 5500 MP and VHP Gen 3 Design Changes (DCN-117)
- 2018-Jul – Perma-Cyl® Pressure Build Regulator Model Change (DCN-114)
- 2017-Apr - Perma-Cyl® FlexFill Piping Option Model Manifold Change (DCN-108)
- 2016-Dec - Perma-Cyl® MicroBulk Storage System Fill Circuit Changes (DCN-107)
- 2016-Dec - Perma-Cyl® MicroBulk Storage System Regulator Manufacturer Change (DCN-106)
- 2016-Sep - Perma-Cyl® MicroBulk Storage System models flexible phase lines (DCN-105)
- 2016-Sep - Perma-Cyl® MicroBulk Storage System models changing to Habonim ball valves (DCN-104)
- 2016-Jun - Perma-Cyl® MicroBulk Storage System models have eliminated the rubber stoppers on the pallet bases (DCN-102)
- 2016-Jan - Perma-Cyl® MicroBulk Storage System models to obsolete and new lab base specs (DCN-100)
Nitrogen Dosing
Packaged Gases
- 2022-Jul -Dura/Euro-Cyl liquid cylinder liquid level gauge change (DCN 144)
- 2021-Nov - Dura-Cyl 120LP Base Design Change (DCN 140)
- 2018-Apr -Dura-Cyl 230LP DOT Service Pressure Change (DCN 134)
- 2020-Jan - LP Cylinder Models, Addition of LP PB Regulator Kit as Standard (DCN 125)
- 2019-Oct - Obsolescence of MP, HP and VHP MCR Style LC Models (DCN-124)
- 2018-Apr - Dura-Cyl® Inner Vessel Change (DCN-113)
- 2017-Aug - Cryo-Cyl®, Dura-Cyl®, Laser-Cyl® and Mega-Cyl® Liquid Cylinder Regulator Plumbing Configuration Change (DCN-111)
- 2016-Jun - Dura-Cyl®, Laser-Cyl®, and Mega-Cyl® Liquid Cylinder Regulator Change (DCN-103)
- 2016-Jun - VGL™ to Econo-Cyl™ Liquid Cylinder Model Transition (DCN-101)
High Pressure
- 2019-Dec - Addition of an analog cycle counter to the control panel (DCN-135)
- 2019-Feb - New and Obsolete Trifecta Models (DCN-120)
- 2019-Jan - Air Actuated Ball Valve to Magnatrol Valve Change (DCN-116)
- 2017-Nov - Revised Design of Trifecta 600 PSIG Systems (DCN-112)
- 2017-Jul - Transmitter Change on Trifecta® Gas Supply System (DCN-110)