Global Door Controls TC4300 Series Grade 1 Adjustable Spring Power 1-6 Door Closers

Global Door Controls TC4300 Series Door Closers represent the highest level of performance and durability in the Global Door Controls lineup. Designed for institutional, architectural, and high-traffic commercial applications, the TC4300 Series provides powerful and precise door control while meeting ADA barrier-free requirements and ANSI/BHMA Grade 1 performance standards.

Each closer features a multi-size adjustable spring power range of sizes 1–6, offering superior versatility for both interior and exterior openings. Constructed with a heavy-duty aluminum alloy body and a full architectural cover, the TC4300 Series combines rugged strength with an attractive, modern appearance. All models include three independent regulating valves for precise adjustment of sweep speed, latch speed, and backcheck cushioning.

Available Models & Configurations

• TC4300 Standard Models – Adjustable spring size 1–6, ADA compliant, UL10C fire-rated, tri-packed for regular, top jamb, or parallel arm mounting.
• TC4300CNS Models – Equipped with Cushion Stop Arm (CNS) for parallel arm mounting. Fire-rated, provides cushioned backcheck to protect door and frame.
• TC4300HOACNS Models – Cushion Stop Hold Open Arm with manual T-handle adjustment. Parallel arm mount only, non-fire-rated. Combines cushioned stop and adjustable hold-open functionality.
• Finishes: AL (Aluminum) and DU (Duronotic) architectural finishes for storefront and commercial hardware compatibility.

Key Features

• Grade 1 certified – ANSI/BHMA A156.4 compliant
• UL10C fire-rated (non-hold-open models)
• ADA compliant for barrier-free operation
• Adjustable spring power sizes 1–6
• Aluminum alloy body with full-size architectural cover
• Three independent valves for sweep, latch, and backcheck control
• Non-handed – reversible for left- or right-hand doors
• Supplied with both wood and machine screws

The Global Door Controls TC4300 Series is ideal for schools, hospitals, government facilities, retail storefronts, and public buildings that demand the highest level of door control reliability, accessibility, and strength. Each closer is designed for years of smooth, consistent operation in the most demanding environments.

Shop all TC4300 Series models below or call 866-232-5673 / text 210-275-8966 for technical support and volume pricing.