DVT Plunger Update

Oceanic has received isolated reports of DVT assemblies using a specific batch of DVT plungers extruding. Testing and analysis indicates that this occurs when the First Stage is only partially depressurized prior to the removal from the cylinder. Back pressure from the instrument console could cause the DVT Plunger to extrude. The affected DVT Plungers (PN 6903) entered the production process in November 2012 and contained softer molded material. Testing indicates that earlier material and a new harder molded part eliminates any possibility of extrusion.




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(Note: Numbers starting with CE are not the unit's serial number, rather a rating required to sell products in Europe.)

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