Description
Elevator wireless intercom power supply UPS 12V Brief Introduction
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Product Name |
Elevator wireless intercom power supply |
| Model Number | UPS 12V |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Elevator S200 K300 Door Hanger Roller 48*14*6200: Stable Door Operation Core from Nanjing Zhuye Elevatorparts
Elevator S200 K300 Door Hanger Roller 48*14*6200 is a critical load-bearing and guiding component exclusively designed for S200 and K300 series elevator door systems, with precise dimensions of 48mm (outer diameter) × 14mm (width) × 6200 (inner bearing model). As the “load-bearing wheel” of elevator car doors and landing doors, it is installed on the door hanger to support the entire door panel weight and enable smooth sliding along the door rail. The roller’s high-precision structure ensures quiet, stable, and friction-free door operation, directly affecting the elevator’s ride comfort and door system service life. Exclusively supplied by Nanjing Zhuye Elevatorparts (a professional and trusted distributor of high-quality elevator components), the Elevator S200 K300 Door Hanger Roller 48*14*6200 fully complies with international elevator safety standards (EN 81-20, GB 7588). Featuring excellent wear resistance, strong load-bearing capacity, and perfect compatibility with S200/K300 door systems, this roller is widely applied in residential, commercial, and industrial elevators equipped with S200 and K300 door systems worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “quality first, stability paramount” and implements strict quality control over the S200 K300 Door Hanger Roller 48*14*6200. Each unit undergoes multi-stage pre-delivery inspections, including dimensional accuracy testing (48*14*6200 specifications), wear resistance verification, load-bearing performance detection, and rotation smoothness trials. The product adopts high-quality polyurethane (PU) outer layer, high-strength bearing steel inner core, and precision 6200 bearings: the PU outer layer has a low friction coefficient (≤ 0.12) and excellent shock absorption, reducing operation noise to ≤ 45dB; the bearing steel inner core supports a maximum load of 300kg per roller, ensuring stable bearing of door panel weight; the precision 6200 bearings ensure smooth rotation without jamming, with a service life of over 10,000 hours. Its standardized structural design is perfectly matched to S200 and K300 series elevator door hangers, eliminating the need for modified installation and enabling seamless replacement with original parts.
Step-by-Step Usage Guide for Elevator S200 K300 Door Hanger Roller 48*14*6200
To ensure the reliable operation of S200/K300 elevator door systems and extend the service life of the 48*14*6200 door hanger roller, follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for installation, adjustment, and maintenance:
1. Professional Installation & Matching
Installation must be performed by certified elevator technicians familiar with S200 and K300 door systems. Prior to installation, confirm the compatibility of the roller (model S200 K300, specification 48*14*6200) with the target elevator’s door hanger model using the detailed compatibility manual provided by Nanjing Zhuye Elevatorparts. The steps are as follows:
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Safety Preparation: Cut off the elevator’s main power supply and switch the door system to inspection mode. Fix the door panel to a safe position using a temporary support frame to prevent accidental falling during roller replacement. Clean the door hanger, door rail, and mounting area to remove dust, oil stains, and debris that may affect roller rotation.
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Roller Installation: Remove the old roller’s locking pin or bolt using professional tools (provided by Nanjing Zhuye Elevatorparts if needed) and take out the old roller. Install the new S200 K300 48*14*6200 roller into the door hanger’s roller seat, ensuring it fits tightly without looseness. Reinstall the locking pin or bolt and fasten it with a torque wrench (torque value as per Nanjing Zhuye’s recommendation) to prevent falling during operation.
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Post-Installation Adjustment: Remove the temporary support frame and manually push the door panel to check for smooth movement (no jamming, dragging, or obvious shaking). Adjust the door hanger’s height and horizontal position to ensure the roller is in full contact with the door rail (contact area ≥ 80%) and the door panel is parallel to the door frame. Operate the door system continuously 10–15 times to confirm stable operation without abnormal noise (e.g., squeaking, clicking).
2. Daily Operation & Routine Inspection
Regular inspections are crucial to early detection of roller wear and ensuring the safety of elevator door systems. Maintenance personnel should incorporate the following checks into their daily patrols:
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Daily Visual Inspection: During shaft and lobby patrols, check the external condition of the S200 K300 48*14*6200 door hanger roller. Ensure the PU outer layer is free of obvious wear (wear depth ≤ 2mm), cracking, or peeling; the roller rotates flexibly without jamming; the locking pin/bolt is tight without looseness. Observe the door opening/closing process to check for abnormal shaking or noise.
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Weekly Functional Check: Operate the door system in normal mode to test the roller’s performance during peak hours. Use a caliper to measure the roller’s outer diameter (standard 48mm, allowable deviation ±0.5mm) and record the data for trend analysis. Apply a small amount of special lubricant (recommended by Nanjing Zhuye Elevatorparts, compatible with PU material) to the door rail to reduce friction between the roller and rail.
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Monthly Wear Detection: Check the roller’s rotation smoothness by rotating it manually—if there is obvious resistance or abnormal noise, disassemble and inspect the internal bearing. Check the door rail for wear marks caused by roller friction; if any abnormality is found, polish the rail (if minor) or plan for replacement (if severe).
3. Regular Maintenance Schedule
Systematic maintenance can effectively extend the service life of the S200 K300 48*14*6200 door hanger roller. Follow Nanjing Zhuye Elevatorparts’ recommended maintenance plan:
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Quarterly Maintenance: Disconnect the power supply and remove the door panel’s temporary support. Disassemble the roller from the door hanger and clean the PU surface, inner bearing, and roller seat with a professional cleaner (avoid using corrosive agents). Inspect the roller for aging (e.g., PU hardening, bearing rust) and the locking pin/bolt for wear or deformation. Reinstall the roller and recheck the installation tightness.
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Semi-Annual Performance Test: Conduct a comprehensive performance test, including roller rotation smoothness, load-bearing capacity, and noise level. Simulate frequent door operation (100 cycles) to verify the roller’s stability. For elevators in high-traffic areas (e.g., shopping malls, airports), increase the test frequency to once every 3 months.
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Annual Professional Overhaul: Arrange a professional inspection with Nanjing Zhuye Elevatorparts’ certified technical team. Check all door hanger rollers of the S200/K300 door system, replacing severely worn or damaged rollers with genuine S200 K300 48*14*6200 units. Recalibrate the door panel’s guiding accuracy to meet the original factory standards.
Recommended Replacement Cycle for Elevator S200 K300 Door Hanger Roller 48*14*6200
As core load-bearing components bearing long-term door panel weight, frequent rolling friction, and environmental erosion (humidity, dust), the S200 K300 48*14*6200 door hanger rollers have a specified service life. Timely replacement is critical to avoiding faults such as excessive roller wear, unsmooth door movement, abnormal noise, or even roller breakage—issues that may lead to door jamming, passenger trapping, or delayed elevator operation.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily door opening/closing times ≥ 1200, environment temperature -10–60℃, humidity 10%–95%), the recommended replacement cycle for the S200 K300 48*14*6200 door hanger roller is 1–2 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field data, PU material wear tests, and actual operation feedback of S200/K300 elevator door systems worldwide.
2. Adjustments for Special Scenarios
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Harsh Environments: For elevators in high-humidity coastal areas (salt spray corrosion), high-dust construction sites, or locations with frequent door operation (e.g., subway stations), the replacement cycle should be shortened to 6–12 months. Harsh conditions accelerate PU material aging, bearing corrosion, and roller wear, significantly reducing reliability.
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Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and clean, stable environments, the replacement cycle can be extended to 2–3 years—only if Nanjing Zhuye’s professional inspection confirms the roller’s wear status, rotation smoothness, and load-bearing capacity are intact (consistent with original performance requirements).
3. Immediate Replacement Conditions
Replace the S200 K300 48*14*6200 door hanger roller immediately if any of the following issues occur, regardless of service life:
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The PU outer layer has obvious wear (wear depth > 2mm), cracking, or peeling, leading to unsmooth door movement, abnormal noise, or door panel shaking during operation.
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The roller is stuck, rotates with obvious resistance, or the internal bearing is damaged, causing the door to jam or fail to open/close smoothly.
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The roller’s outer diameter deviates by more than 1mm from the standard 48mm, affecting the door panel’s guiding accuracy and leading to uneven door gaps.
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The roller or locking pin/bolt is severely corroded or deformed, posing potential risks of roller detachment or door panel falling.
In conclusion, the Elevator S200 K300 Door Hanger Roller 48*14*6200 supplied by Nanjing Zhuye Elevatorparts is a genuine, high-reliability load-bearing component tailored for S200 and K300 series elevator door systems. By following the correct usage methods, maintenance schedules, and replacement cycles, elevator maintenance teams can effectively ensure the stable and safe operation of S200/K300 elevator door systems, enhance passenger ride comfort and safety, and minimize failure risks. Choosing Nanjing Zhuye Elevatorparts means you get not only 100% genuine S200 K300 48*14*6200 rollers but also professional technical support, including S200/K300 model matching guidance, on-site installation advice, and prompt after-sales service.
