AMETEK AMERON Receives FAA-PMA Approval for Two Cylinder Weldment Parts

Thursday, September 19, 2019

BALDWIN PARK, CA – AMERON MASS Systems, a pioneer in the development of high-performance aerospace and defense components, has received FAA-PMA approval on two cylinder weldments, part numbers M32197631 and M53040079-1.

Both parts are identical to the OEM weldments in fit, form and function. Part number M32197631, a steel bottle used on Gulfstream- G-1159A/B and Gulfstream G-IV, is connected to the pneumatic systems contained within the aircraft landing gear system and stores either nitrogen or air pressurized to 3,000 PSIG. It is used to supply emergency power for the aircraft’s landing gear, nose wheel steering and braking. The part is mounted with the fitting weldment and bleed valve down to allow condensation to accumulate over the bleed valve, which is bled manually as required.

Part number M53040079-1, a titanium bottle that stores nitrogen at high pressure, energizes the emergency power assist system (EPAS) of the Boeing 777 passenger entry doors. It is contained within the hinge assembly of the doors, which it helps open by providing assistance in the event of a power loss. The EPAS is activated by setting the mode select mechanism to automatic and rotating the door handle. This releases the pressurized nitrogen through the discharge plumbing and into the EPAS. At this point, the aircraft crew can open the door even if no power is available.

MASS Systems, the OEM division of AMETEK AMERON, specializes in FAA-PMA components for high-rate discharge fire extinguishing and oxygen systems. These components are developed, manufactured and assembled by MASS Systems at its Baldwin Park facility, located in California.


Founded in 1988, AMERON LLC has pioneered numerous advances in aerospace fire suppression systems and is a leader in pressurized gas systems, fire extinguishers and pressurized stored energy systems. It is certified by the U.S. Department of Transportation, and its products meet or exceed MIL-1-45208A specifications.

AMERON is a unit of AMETEK Aerospace and Defense, a division of AMETEK, Inc., a leading global manufacturer of electronic instruments and electromechanical devices with annual sales of $5 billion.