Global Door Controls TC4300 Series Door Closer - Adjustable Spring Size 1-6, Grade 1 UL10C ADA Compliant, Aluminum Alloy Body, Full Cover, Tri-Pack Regular/Top Jamb/Parallel Arm Mount, Duronotic Finish (DU)

Global Door Controls TC4300 Series Door Closer in Duronotic (DU) finish is a heavy-duty, institutional-grade closer designed for the most demanding commercial and architectural applications. As the top-performing closer in the Global Door Controls lineup, the TC4300 delivers exceptional strength, reliability, and smooth operation—ideal for schools, hospitals, retail entrances, and high-traffic public buildings.

The TC4300-DU features a multi-size adjustable spring power range of sizes 1–6, providing flexible tension for both interior and exterior doors. Certified to ANSI/BHMA A156.4 Grade 1 and UL10C fire-rated for positive pressure applications, this closer meets ADA barrier-free standards while maintaining strong closing force and long-term durability.

Constructed from a precision-machined aluminum alloy body with a full architectural cover, the TC4300-DU combines rugged performance with a refined appearance. The tri-pack mounting kit supports regular, top jamb, or parallel arm installation, offering maximum field flexibility. Three independent regulating valves provide control over sweep speed, latch speed, and backcheck cushioning for precise adjustment in any environment.

Features

• Series: TC4300 – Heavy-Duty Institutional Grade
• Model: TC4300-DU – Adjustable spring power sizes 1–6
• Grade 1 certified – ANSI/BHMA A156.4 compliant
• UL Listed – UL10C positive pressure fire door rating
• Aluminum alloy body with full-size architectural cover
• ADA compliant for barrier-free accessibility
• Three independent valves – control sweep, latch, and backcheck speeds
• Tri-packed – regular, top jamb, or parallel arm mounting
• Non-handed – reversible for left- or right-hand doors
• Includes both wood and machine screws
• Finish: DU – Duronotic

The Global Door Controls TC4300-DU Door Closer provides exceptional control, strength, and ADA compliance in a refined Duronotic architectural finish. Built to withstand the toughest institutional conditions, it’s the preferred closer for aluminum storefront, hollow metal, and wood door applications.

Recommended for: Institutional buildings, hospitals, schools, government facilities, retail storefronts, and commercial office doors.

Finish: DU – Duronotic

Order online from Door Closers USA or call 866-232-5673 / text 210-275-8966 for technical support and volume pricing.