Jiangsu Qianyuanfeida electric equipment Co.,Ltd
| Payment Terms | T/T, Western Union,Paypal |
| Supply Ability | 40 tons per day |
| Delivery Time | 5~15 working days |
| Packaging Details | Steel frame case sealed by plywoods with each end capped |
| Working Temperature | -20~120℃ |
| Load Adjustability | 15% |
| Specification | as design drawings |
| Displacement | 50 ~ 400mm |
| Characteristics | Streamlined |
| Rated load | 123N ~ 364120N |
| Brand Name | FIDAK |
| Model Number | NIL |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union,Paypal | Supply Ability | 40 tons per day |
| Delivery Time | 5~15 working days | Packaging Details | Steel frame case sealed by plywoods with each end capped |
| Working Temperature | -20~120℃ | Load Adjustability | 15% |
| Specification | as design drawings | Displacement | 50 ~ 400mm |
| Characteristics | Streamlined | Rated load | 123N ~ 364120N |
| Brand Name | FIDAK | Model Number | NIL |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | constant load hanger ，constant force spring hangers | ||
Constant force spring support hangers implement the standard NBT47038-2013
Product description
Constant force spring hanger, standard nbt47038-2013 (hereinafter referred to as constant force hanger) designed according to the principle of torque balance.The lever principle is applied to realize the constant force spring support and hanger. When the displacement is generated by the expansion of the pipeline, a force with a load change rate of less than 5% is applied to the pipeline to support or suspend the pipeline. Under the allowable load displacement, the load torque and the spring torque are always kept in balance.For the pipe and equipment supported by constant crane, a constant supporting force can be provided when displacement occurs, so additional stress will not be brought to the pipe equipment.The constant crane is generally used to reduce the displacement stress, such as the boiler body of the power plant, the steam, water, smoke, wind pipe and burner of the power plant, and the oil, chemical industry needs such support.When the thermal displacement of a lifting point in the pipeline system is greater than 12mm, it is appropriate to choose a constant crane to support, in order to avoid dangerous bending stress and adverse stress transfer in the pipeline system.Because of its spring and the component manufacture craft is simple, mature, the product performance stability, the economy is good, has been used for a long time in the domestic, therefore is the most widely used type at present.
Main technical features
Rated load: 123N ~ 364120N
Displacement: 50 ~ 400mm
Allowable field load regulation quantity :±10%
Main technical parameters
Constant force spring support and hanger with mechanical or auxiliary spring compensation caused by dynamic friction and manufacturing deviation and other factors of load deviation.The allowable load deviation (including friction) of the constant force spring hanger is not more than 6% over the entire travel range of the upper and lower displacement.The deviation between the maximum load reading in the case of downward displacement and the minimum load reading in the case of upward displacement and the specified load shall be within 6%.
Working principle
Used in various pipeline installations to absorb and buffer the expansion displacement and amplitude generated by some hot and cold pipelines in operation, and to limit or allow the expansion displacement of the pipeline within the design value, so as to ensure the operation safety of the pipeline and equipment.Constant force spring hanger is the use of lever principle, to achieve the spring hanger in the expansion of the pipeline displacement, to the pipeline load rate within 5% of the force, to support or suspend the pipeline.
Structure and form
The constant force spring support and hanger is mainly composed of cylindrical helical spring, fixed frame, rotary frame and motion mechanism, adjusting device, spring housing and so on.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2003
Total Annual:
600-900
Employee Number:
40~100
Ecer Certification：
Active Member
Jiangsu Qianyuan Feida Power Equipment Co., Ltd. (formerly Zhenjiang Feida Expansion Joint Manufacturing Co., Ltd.) is a designated joint enterprise of the former Ministry of Power, Machinery and Chemical Industry. At present, the company covers an area of 60,000 square meters and a building area of... Jiangsu Qianyuan Feida Power Equipment Co., Ltd. (formerly Zhenjiang Feida Expansion Joint Manufacturing Co., Ltd.) is a designated joint enterprise of the former Ministry of Power, Machinery and Chemical Industry. At present, the company covers an area of 60,000 square meters and a building area of...
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