China China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring Manufacturer and Exporter | DVT

China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring

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China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring Detail:

Basic Information

Mechanical extension springs are designed specifically for a height and weight of a product. The initial tension is the force that holds the coil together and must be exceeded to get the extension spring working. Although the standard initial tension is appropriate for most extension spring needs, initial tension can be customized for specific situations.

Extension springs are commonly used in automotive mechanisms, garage doors, trampolines, washing machines, tools, toys, and equipment in a wide array of industries. Extension spring ends are designed to meet specific application needs. Configurations include hooks, threaded inserts, extended twist loops, crossover center loops, expanded eyes, reduced eyes, rectangular ends and teardrop-shaped ends. Another extension spring configuration features a drawbar spring. In this design, the load at the ends of long, steel loops that pass through the spring center and compress the spring upon loading.

1Double Hook Wire Coil extension Tension Springs
Double-Hook-Wire-Coil-extension-Tension-Springs2

Extension Spring Parameters

  • Outer diameter- of the spring
  • Wire diameter – of the wire used to create the spring
  • Overall length – of the spring in the unloaded position
  • Rate – amount of weight required to deflect the spring one inch
  • Load -amount of weight the spring can carry when deflected to a given height

Extension spring parameters

Specifications

Item

Double Hook Wire Coil extension Tension Springs

 Material

SS302(AISI302)/ SS304(AISI304)/ SS316(AISI316)/SS301(AISI301)
SS631/65Mn(AISI1066)/60Si2Mn(HD2600)/55CrSiA(HD1550)/
Music wire/C17200/C64200, Etc

Wire diameter

0.1~20 mm

I.D

>=0.1 mm

O.D

>=0.5 mm

Free length

>=0.5 mm

Total Coils

>=3

Active coils

>=1

End hooks

U shape, round shape etc.

 Finish

Zinc plating, Nickel plating, Anodic oxidation,Black oxided,Electrophoresis
Power coating, Gold plating, Silver plating, Tin plating, Paint,Chorme, Phosphate
Dacromet,Oil coating, Copper plating, Sand blasting, Passivation, Polishing,Etc

Sample

3-7 work days

Delivery

7-15days

Appliction

Auto,Micro,Hardware,Furniture,Bicycle,Industrial,ect.

Size

Customized

Warranty period

Three years

Payment Terms

T/T,D/A,D/P,L/C,MoneyGram,Paypal payments.

Package

1.PE bag inside, carton outside/Pallet.
2.Other packages: Wooden box, individual packaging, tray packaging,tape & reel packaging etc.
3.Per our customer’s need.

Product detail pictures:

China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring detail pictures

China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring detail pictures

China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring detail pictures


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We thinks what clients think, the urgency of urgency to act from the interests of a client position of theory, allowing for greater quality, lessen processing costs, price ranges are much more reasonable, won the new and outdated shoppers the support and affirmation for China wholesale Pressure Valve Spring Exporter - Double Hook Wire Coil extension Tension Springs – DVT Spring , The product will supply to all over the world, such as: Manchester, Myanmar, Azerbaijan, We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We will always believe in and work on it. Welcome to join us to promote green light, together we will make a better Future!
  • The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By Jean Ascher from Latvia - 2017.03.07 13:42
    Speaking of this cooperation with the Chinese manufacturer, I just want to saywell dodne, we are very satisfied.
    5 Stars By Elsie from kazakhstan - 2017.08.21 14:13
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