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Spring Doors: An automatic closing door equipped with a spring hinge or floor spring, featuring a bi-directional swing channel. Combine the sturdy structure (stainless steel/aluminum frame with a thickness of up to 2.5mm) with hands-free operation to achieve seamless traffic flow. Very suitable for commercial buildings, hospitals, hotels, and medium-sized transportation areas such as offices or retail spaces, providing safe access, low maintenance durability, and building integration.
1.Dual Swing Access
Doors open bidirectionally for smooth two-way traffic flow and automatically return to the closed position after passage.
2.Robust Construction
Crafted from premium stainless steel or aluminum with thicknesses up to 2.5mm, featuring reinforced welded joints for lasting stability.
3.Versatile Applications
Ideal for commercial buildings, luxury hotels, hospitals, and medium-traffic areas like offices and small retail spaces requiring both aesthetics and function.
4.Reliable Mechanism
Engineered with a durable floor spring system ensuring consistent, quiet self-closing operation and secure latching.
5.Low-Maintenance Operation
Simplified installation using glass suction cups and limit slots, combined with long-lasting hardware requiring only periodic checks for minimal upkeep.
Sungye’s spring doors integrate precision-engineered floor springs certified standards, enabling smooth bidirectional opening and reliable self-closing. The mechanism withstands over 500,000 cycles without failure, ensuring consistent automatic closure even in high-traffic environments. Unlike conventional hinges, our stainless-steel spring cores resist corrosion and dust ingress, maintaining operational integrity in hospitals, shopping malls, and coastal buildings.
Constructed with 2.5mm-thick SUS304 stainless steel or 6063-T5 aluminum frames, Sungye’s doors feature argon-arc welded joints and reinforced corner braces. This architecture supports door leaves up to 1,200kg while resisting deformation under wind loads up to 1,200 Pa. Multi-layer powder coating provides Class II corrosion resistance per ISO 9227, ideal for chemical plants or humid climates.
The bidirectional swing arc accommodates simultaneous two-way pedestrian movement, reducing congestion in entrances/exits. Synchronized with the floor spring’s adjustable closing speed (3-6 sec range), it prevents abrupt slamming while ensuring prompt closure for HVAC efficiency. Tested in facilities with 5,000+ daily passages, Sungye’s design cuts queue times by 30% vs. single-swing doors.
Engineered to meet ANSI/BHMA A156.4 Grade 1 standards, our doors feature tempered glass (6-12mm thickness, EN 12150-1 compliant) and fail-safe latching. The floor spring’s adjustable closing force (3-6 Newton range) prevents finger entrapment, while fire-rated options suit emergency exits in public buildings.
Precision-machined brass bearings and PTFE-lubricated components in Sungye’s floor springs eliminate greasing needs. Installation via laser-leveled mounting plates and reinforced anchor bolts minimizes frame stress. With only annual pivot inspections required (vs. quarterly for standard hinges), total ownership costs are 40% lower over a 10-year lifecycle per ISO 15686 calculations.
Customizable narrow stiles (45-70mm profiles), RAL color-matched finishes, and flush threshold designs enable seamless blending with contemporary façades. Optional integrated access control grooves support automated systems without compromising structural integrity, meeting BREEAM sustainability credits for retrofit projects.
Spring Doors: An automatic closing door equipped with a spring hinge or floor spring, featuring a bi-directional swing channel. Combine the sturdy structure (stainless steel/aluminum frame with a thickness of up to 2.5mm) with hands-free operation to achieve seamless traffic flow. Very suitable for commercial buildings, hospitals, hotels, and medium-sized transportation areas such as offices or retail spaces, providing safe access, low maintenance durability, and building integration.
1.Dual Swing Access
Doors open bidirectionally for smooth two-way traffic flow and automatically return to the closed position after passage.
2.Robust Construction
Crafted from premium stainless steel or aluminum with thicknesses up to 2.5mm, featuring reinforced welded joints for lasting stability.
3.Versatile Applications
Ideal for commercial buildings, luxury hotels, hospitals, and medium-traffic areas like offices and small retail spaces requiring both aesthetics and function.
4.Reliable Mechanism
Engineered with a durable floor spring system ensuring consistent, quiet self-closing operation and secure latching.
5.Low-Maintenance Operation
Simplified installation using glass suction cups and limit slots, combined with long-lasting hardware requiring only periodic checks for minimal upkeep.
Sungye’s spring doors integrate precision-engineered floor springs certified standards, enabling smooth bidirectional opening and reliable self-closing. The mechanism withstands over 500,000 cycles without failure, ensuring consistent automatic closure even in high-traffic environments. Unlike conventional hinges, our stainless-steel spring cores resist corrosion and dust ingress, maintaining operational integrity in hospitals, shopping malls, and coastal buildings.
Constructed with 2.5mm-thick SUS304 stainless steel or 6063-T5 aluminum frames, Sungye’s doors feature argon-arc welded joints and reinforced corner braces. This architecture supports door leaves up to 1,200kg while resisting deformation under wind loads up to 1,200 Pa. Multi-layer powder coating provides Class II corrosion resistance per ISO 9227, ideal for chemical plants or humid climates.
The bidirectional swing arc accommodates simultaneous two-way pedestrian movement, reducing congestion in entrances/exits. Synchronized with the floor spring’s adjustable closing speed (3-6 sec range), it prevents abrupt slamming while ensuring prompt closure for HVAC efficiency. Tested in facilities with 5,000+ daily passages, Sungye’s design cuts queue times by 30% vs. single-swing doors.
Engineered to meet ANSI/BHMA A156.4 Grade 1 standards, our doors feature tempered glass (6-12mm thickness, EN 12150-1 compliant) and fail-safe latching. The floor spring’s adjustable closing force (3-6 Newton range) prevents finger entrapment, while fire-rated options suit emergency exits in public buildings.
Precision-machined brass bearings and PTFE-lubricated components in Sungye’s floor springs eliminate greasing needs. Installation via laser-leveled mounting plates and reinforced anchor bolts minimizes frame stress. With only annual pivot inspections required (vs. quarterly for standard hinges), total ownership costs are 40% lower over a 10-year lifecycle per ISO 15686 calculations.
Customizable narrow stiles (45-70mm profiles), RAL color-matched finishes, and flush threshold designs enable seamless blending with contemporary façades. Optional integrated access control grooves support automated systems without compromising structural integrity, meeting BREEAM sustainability credits for retrofit projects.
