This Brand Name AMS203 is a 3-inch flanged single sphere neoprene rubber expansion joint engineered to absorb piping stress, vibration, and thermal movement in HVAC and industrial piping systems. Built with zinc-plated steel flanges rated for ASA/ANSI 125, it features a lead-free rubber construction meeting NSF/ANSI 372 standards.
Inspection Notes:
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit. The original outer box shows shelf wear, creasing, and minor tearing.
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Expansion Joint |
| Bolt Circle Diameter | 6 in |
| Bolt Hole Size | 5/8"-11 |
| Bolt Hole Threading | Threaded |
| Burst Pressure | 853 psi |
| Compression Distance | 1/2 in |
| Expansion Distance | 3/8 in |
| Flange Diameter | 7-1/2 in |
| For Environment | HVAC; Industrial Piping; Marine Service; Petrochemical; Pollution Control; Power Generating; Pulp and Paper; Water and Wastewater |
| For Media Type | Air; Chemicals; Gases |
| Maximum Off-Center Angle | 15 ° |
| Maximum Operating Pressure | 225 psi |
| Maximum Vacuum Pressure | 26 in Hg @ 72F |
| Number of Bolt Holes | 4 |
| Offset Distance | 1/2 in |
| Outside Diameter | 7-1/2 in |
| Overall Length | 6 in |
| Pipe Size | 3 in |
| Reinforcement Material | Synthetic Fiber |
| Resistance Properties | Corrosion Resistant |
| Seal Material | Neoprene |
| Material | Zinc-Plated Steel with Neoprene Bulb |
| Fitting Side 1 | Flange |
| Fitting Side 2 | Flange |
| Temperature Range | -50 °F – 230 °F |