IFS-04 Spring Pull Spring Custom OEM Extension Spring

Floor spring feature Closing and latching speed adjustable Suitable for steel door, glass door and heavy door Guarantee: 3 years Back check function (Optional) Hold open function (Optional) Offset arm accessories (Optional) Single swing floor spring High-strength environmental adaptability   The hydraulic system has a built-in dustproof seal ring, which can cope with high-frequency use in crowded places such as shopping malls and hospitals, and avoid performance degradation caused by sand and dust intrusion. The maximum opening angle is 80°, which meets the standards of fire passages and barrier-free access, and is convenient for rapid evacuation in emergency situations. 3-year ultra-long warranty and maintenance cost advantages   The core components adopt military-grade plating technology, which increases corrosion resistance by 60%, and can still maintain stable performance in humid environments (such as hotels and swimming pool areas). Compared with the average…