Packless Vibration Absorber - Brass Breadcrumb Home / Products / Parts / Valves and Valve Accessories / Packless Vibration Absorbers Loading... Customer Part Number: PAC-VAF-84 Brand: Packless Industries Burst Pressure (PSI): 1500 Inside Diameter (In.): 3 Outside Diameter (In.): 3-1/8 Working Pressure (PSI): 300