◆ Reliable power transmission for industrial drives ● Built to ANSI B29.1 — direct interchange with all ANSI chain ▲ Riveted construction available in simplex, duplex or triplex The workhorse of power transmission. SY ANSI roller chain is built to ANSI B29.1 standard dimensions and tolerances, making it a drop-in replacement for any ANSI roller chain on the market. Available in simplex, duplex and triplex strands across the full 35 to 240 pitch range, supplied in standard 10ft boxes with matching connecting links and offset half links. People Also Ask — SY ASA Roller Chain Duplex Q: What standard does SY ASA duplex roller chain meet? This chain is manufactured to ANSI B29.1, meaning it's a direct interchange with any other chain, sprocket or connecting link made to that same ANSI standard. Q: What pitch sizes does SY duplex roller chain cover? SY ASA roller chain is available across a 35 to 240 pitch range, covering everything from light-duty conveyor and drive applications through to heavier industrial power transmission. Q: What comes included with SY duplex roller chain? SY duplex roller chain is supplied in standard 10ft boxes, complete with matching connecting links and offset half links so the chain can be cut to length and rejoined on site.