Model Number: SN-WFQS
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Description:
The SN-WFQS Plastic Balance Compensation Chain is a high-performance solution designed for elevators. It combines welded chain with PVC to ensure durability, flexibility, and excellent insulation properties. This product is ideal for elevators operating at speeds between 1.75m/s and 3m/s due to its low noise operation and reliable performance across a wide temperature range.




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Model No. | Specification | |||||
Unit Weight (kg/m) | Chain Diameter (mm) | Min. Bending Diameter (mm) | Outer Diameter (mm) | Bearing Load (≥KN) | Max. Length (mm) | |
Plastic Elevator Balance Compensating Chain | ||||||
SN-WFQS-075 | 1.12±0.2 | 6±0.5 | 610 | 24±2 | 13.32 | 160 |
SN-WFQS-100 | 1.49±0.2 | 6.5±0.5 | 610 | 27±2 | 15.63 | 160 |
SN-WFQS-125 | 1.88±0.2 | 7±0.5 | 610 | 30±2 | 18.13 | 147 |
SN-WFQS-150 | 2.23±0.2 | 7.8±0.5 | 660 | 32±2 | 23.68 | 130 |
SN-WFQS-200 | 2.98±0.2 | 9±0.5 | 660 | 38±2 | 29.97 | 160 |
SN-WFQS-250 | 3.72±0.2 | 10±0.5 | 660 | 42±2 | 37 | 142 |
SN-WFQS-300 | 4.46±0.2 | 11±0.5 | 690 | 44±2 | 44.7 | 153 |
SN-WFQS-350 | 5.20±0.2 | 12±0.5 | 690 | 48±2 | 53.3 | 150 |
SN-WFQS-400 | 5.68±0.2 | 13±0.5 | 720 | 52±2 | 62.5 | 150 |
FAQ
Q1: Are free samples available?
A: Yes, we can provide free samples if the unit price is under $10. Please contact us for more details.
Q2: Can we have customized logos on the elevator parts?
A: Yes, OEM and ODM services are available. However, you need to provide a trademark authorization letter, and there may be minimum order quantities.
Q3: What kind of after-sales service do you offer?
A: If the issue is caused by us, we will send you spare parts for free.
Q4: What inspection procedures do you use for elevator parts?
A: All products undergo 100% self-inspection before packing.
Q5: Can we mix products in a 20ft container?
A: Yes, please let us know your requirements.
Q6: Is it possible to visit your company before placing an order?
A: Of course! We welcome visits. Our location is near Shanghai Hongqiao Airport.
Q7: Do you accept payments via PayPal, Western Union, cash, or CNY?
A: Yes, please contact us for more details.
Q8: What is the delivery time for the parts?
A: The delivery time depends on the product requested. Please contact us for specific information.
Q9: How do I place an order?
A: 1. Let us know your requirements; 2. Confirm the details, and we will prepare a proforma invoice; 3. Send the payment and bank slip, or you can pay through Alibaba, and we will proceed accordingly; 4. We will ship the goods using the agreed shipping method.
About Us

Shanghai Sunny Elevator Co., Ltd, established in 1992, is a 27-year professional manufacturer specializing in designing and producing opto-electro-mechanical products. Since 2012, Sunny Elevator has been engaged in import and export activities. We have extensive experience exporting a wide range of elevator components to over 80 countries worldwide. Our commitment to quality, customer satisfaction, and innovation makes us a trusted partner in the global elevator industry.
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