Branded the Sentry line, this chain combines the best features of Ramsey’s established Allguard FX, Two Pin, and Extended Pitch conveying chains with features developed for high-speed power transmission chain. Advantages include: Guard Links with Fully Recessed Pin Heads,100% Hardened Alloy Steel Construction – No Sintered Metal, Two Pin Chain Joints, Extended Pitch Chain Design, Staked Pin Heads and Pre-Stressing for Reduced Chain Elongation.
Following the success of Ramsey’s established wear protected chains, Lifeguard and Allguard FX, Ramsey customers who preferred two pin chain designs challenged engineers to come up with a new, all steel, two pin chain design that offers the same kind of wear protection. Working closely with customers, Ramsey developed numerous prototypes before ultimately deciding on the Sentry design.
According to David Holcomb, VP of Sales, Sentry chains blend features that have been successfully used in Ramsey glass conveying chain for decades, with totally new features only available from Ramsey.
Sentry chains use time-tested extended pitch assemblies, two pin joint designs, and wear protected recessed pin heads to produce chains that are fully interchangeable with existing two pin chain designs and run on all standard ½” pitch sprockets. Chains can be made with or without spacers and can operate with centre guide or side guide sprockets.
Unlike other wear-protected chains, the guard links on Sentry chains are hardened alloy steel. No sintered metal parts are used in the chain. This results in a more robust and impact resistant chain. The pin heads in the chains are “staked” using technology developed by Ramsey. Staked heads are extremely durable and more compact than heads formed by other methods. Sentry chains are pre-stressed during manufacturing to fully seat components and to reduce chain “stretch”.