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Office Chair Gas Spring-B40C3
  • B40C3
  • Size: Check the Drawing and Specification
    Outer Tube: Powder Coating / Chrome
    Piston Tube: Chrome/QPQ
    Pin Color: White/ Black/ Green/ Orange etc
    Delivery: 15 Days
    Sample: Free Sample Available
  • E-mail: sales@cznantai.cn
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● Meets DIN 4550 CLASS 3, 4 and all applicable ANSI/ BIFMA, EN performance standards.

● Customized color gas open pin and pressurization are available form 150N to 500N.

● Standard 40mm, 45mm, and 50mm large pipe are available.

● Heat treatment and chrome plated spindle pipes are available.

● Powder coated,E-coated and Chrome plated large pipes are available.

● Spindle only type is available


Gas spring/ gas lift/ gas cylinder/ gas strut/ gas piston                                                                                                                                                                                                      


Boss chair/ office chair/ bar chair etc.


Our goods have good reputation all over the world by high quality, good service and 5 year warranty .



Different Stroke Gas spring in   different application of the chairs
Boss Chair: 40mm, 60mm, 80mm
Office Chair: 100mm, 120mm, 140mm
Bar Chair: 160mm,180mm, 200mm, 260mm, 330mm



Free sample available but shipping cost is not include.
Or you can arrange global express company to pick up the samples from our   factory.
Customizations are always welcomed

Surface Treatment

Cylinder Tube: Powder coating & Chrome
Piston Tube: Chrome, QPQ


Class is different from the   thickness of Gas spring's cylinder tube and piston tube
Class 1---1.2mm, cheaper price, two year warranty(Normal)
Class 2---1.5mm, cheaper price, three year warranty(Better)
Class 3---2.0mm, expensive price, five year warranty(Much Better)Class 4---2.5mm, more expensive price, five year warranty (Best)

Trade Term

FOB Shanghai or C&F price if   you need

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