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Hager 4501 SVR FR Exit Device - Fire Rated - 4'0"x 8'0" Door
The Hager 4501 SVR FR is an extra-wide, extra-tall Fire-Rated Surface Vertical Rod exit device precision-engineered for massive 48" x 96" (4'0" x 8'0") commercial fire doors. This Grade 1 panic bar provides essential two-point latching at both the head and the floor, ensuring that oversized double doors remain securely closed and positive-latched during a fire emergency. It is the premier choice for large hospital bay doors, industrial partitions, and convention center exits that require a 3-hour fire barrier.
High-Performance Fire Safety for Massive Openings
As a Fire-Rated (FR) hardware solution, the Hager 4501-SVR-FR is UL Listed for Fire Exit Hardware (UL10C) and suitable for use on doors rated up to 3 hours. To maintain the integrity of a fire barrier, this device does not include mechanical dogging, ensuring the door is always latched to prevent the spread of smoke and flames. The top latch features a stainless steel Pullman-type bolt, while the bottom rod secures into a floor strike, providing a heavy-duty seal across the entire 4-foot by 8-foot surface area of the door leaf.
Electrified Options & Prefixes
The Hager 4501 SVR FR for 4'x8' doors can be configured with various electrified prefixes to integrate into modern life-safety and access control systems:
- RX - Request to Exit Switch: Monitors the internal push bar to signal authorized egress to the control system.
- RX2 - Dual Request to Exit Switches: Provides redundant monitoring signals for enhanced security oversight.
- LM - Latchbolt Monitoring: Notifies the security system whenever the rods or latches are retracted or extended.
- RXLM - Request to Exit and Latchbolt Monitoring: A combined solution for monitoring both occupant exit and latch status.
- AI - Authorized Ingress: Specifically monitors the exterior trim to track authorized entry attempts.
- RXAI - Authorized Ingress with Key Monitoring: High-security tracking of both ingress and physical key cylinder usage.
- DE - Delayed Egress: Delays door opening for 15-30 seconds to prevent unauthorized exiting (requires fire alarm integration).
- OBDE - Onboard Delayed Egress: A self-contained, all-in-one delayed egress system for fire-rated openings.
- MLR - Motorized Latch Retraction: Allows for remote electric unlocking; ideal for use with automatic door operators.
- MLRX - Motorized Latch Retraction w/ Request to Exit: Latch retraction combined with egress monitoring.
- MLRXLM - MLR w/ Request to Exit & Latchbolt Monitoring: The complete suite for high-level security and automation.
- MLRLM - Motorized Latch Retraction w/ Latchbolt Monitoring: Combines motorized control with real-time latch status.
Technical Specifications
| Feature | Specification |
| Series | Hager 4500 Series |
| Device Type | Surface Vertical Rod (SVR) |
| Rating | UL Fire-Rated (UL10C) |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Door Size | 4'0" x 8'0" (48" x 96") |
| Top Latch | Stainless Steel Pullman Type |
| Dogging | None (Required for Fire-Rated Hardware) |
| Fire Rating | Up to 3 Hours (UL/cUL Listed) |
| Handing | Non-Handed (Fully Reversible) |
| Fasteners | Includes Thru Bolts as standard for fire doors |
Standards & Institutional Performance
- Code Compliance: UL Listed for Fire Exit Hardware; compliant with NFPA 80 and NFPA 101.
- Accessibility: Meets ADA requirements for push-force and ease of operation.
- Durability: Tested to exceed over one million cycles in high-abuse commercial environments.
- Vandal Resistance: Standard thru-bolt installation ensures the device remains securely attached to the door leaf, preventing rod misalignment and resisting tampering on massive, heavy fire doors.
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 625 - US26 Polish Chrome |
| Hager Exit Device Prefixes | RX - Request to Exit Switch or RX2 - Dual Request to Exit Switches or LM - Latchbolt Monitoring or RXLM - Request to Exit and Latchbolt Monitoring or AI - Authorized Ingress or RXAI - Authorized Ingress with Key Monitoring or DE - Delayed Egress or OBDE - Onboard Delayed Egress or MLR - Motorized Latch Retraction or MLRX - Motorized Latch Retraction w/ Request to Exit Switch or MLRXLM - Motorized Latch Retraction w/ Request to Exit Switch & Latchbolt Monitoring or MLRLM - Motorized Latch Retraction w/ Latchbolt Monitoring |
| Brand | Hager |
| Series | Hager - 4500 Series |
| Exit Device Type | SVR Exit Device |
| Exit Device Fire Rating | Fire Rated Door |
| Door Opening Width | 48 Inches |
| Door Height | 8'0" Dr Ht |
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