Packless Vibration Absorber - Brass Breadcrumb Home / Products / Parts / Valves and Valve Accessories / Packless Vibration Absorbers Loading... Customer Part Number: PAC-VAF-82 Brand: Packless Industries Burst Pressure (PSI): 1950 Inside Diameter (In.): 2 Outside Diameter (In.): 2-1/8 Working Pressure (PSI): 390