Changzhou Colewell Machinery Co., Ltd.

● Total Length (Fully Extended):

The fully extended length for small gas lift cylinders generally ranges from 350mm to 450mm, depending on the model and stroke length.

●Stroke Length:

80mm to 100mm: This range of stroke length is common for small gas lift cylinders, providing a basic height adjustment suitable for light office chairs or chairs that don’t require extensive vertical movement.

100mm to 120mm: Slightly longer stroke lengths, used for medium-sized chairs that require a bit more height flexibility but are still categorized as small in terms of usage.

● Cylinder Diameter:

28mm: This is the most common diameter for small gas lift cylinders, typically used in light-duty office chairs, task chairs, small gaming chairs, and executive chairs that don’t need to support heavy weights.

22mm to 25mm: Sometimes used in very small or compact chairs, such as children's chairs or lightweight task chairs, offering a more compact design.

● Total Length (Fully Extended):

Typically ranges from 350mm to 550mm, depending on the model and stroke length. The extended length determines how high the chair can be adjusted.

● Stroke Length:

80mm to 120mm: Typical for most standard office chairs and gaming chairs with normal height adjustment requirements.

120mm to 150mm: Often used in tall chairs or executive models where a larger range of height adjustment is needed.

150mm to 200mm: Used for extra tall chairs or chairs with adjustable height requirements for special ergonomic needs.

● Compressed Length:

The compressed length (when not extended) is typically between 200mm and 300mm, depending on the cylinder's design and stroke length.

● Total Length (Fully Extended):

This can range from 350mm to 550mm, depending on the specific model and the stroke length of the cylinder.

● Stroke Length:

100mm to 150mm: This range is common for most standard office and gaming chairs, providing a good height adjustment range.

150mm to 200mm: This length is used for chairs requiring larger height adjustments, often in executive or heavy-duty chairs.

● Cylinder Diameter:

28mm: This size is often used for lighter duty chairs like basic office chairs or smaller gaming chairs.

35mm: This is the most common diameter for medium-duty chairs, including standard office chairs, gaming chairs, and task chairs.

● Extended Length (Fully Extended Gas Lift):300mm to 450mm: Standard for most gaming chairs and computer chairs. Provides a comfortable range of height adjustment.

450mm to 600mm: For high-back chairs or ergonomic office chairs that need extra height flexibility.

●Stroke Length:80mm to 120mm: Typical for standard office chairs or gaming chairs. Provides sufficient height adjustment for most users.

120mm to 150mm: Used in chairs where a larger height range is needed (such as high-back gaming chairs).

150mm to 200mm: For extra tall chairs or adjustable desks. This length is typically found in premium gaming chairs or office chairs with more extensive height adjustment ranges.

● Diameter of the Cylinder:28mm: Common for lightweight office chairs or budget-friendly gaming chairs.

35mm: Standard for most ergonomic office chairs and gaming chairs. This diameter supports a moderate weight capacity and is compatible with many chair models.

50mm: Used for heavy-duty chairs, executive office chairs, or premium gaming chairs that require higher weight capacity and better stability.

● Extended Length (Fully Extended Gas Lift):

300mm to 450mm – Commonly used for standard gaming chairs and office chairs, providing a comfortable height range for most users.

450mm to 600mm – Used in high-back gaming chairs or executive office chairs that require extra height adjustment for better ergonomics.

● Stroke Length:

80mm to 120mm – This is a common stroke length for most gaming and computer chairs, allowing for an effective height adjustment range while maintaining stability.

120mm to 150mm – Suitable for taller chairs or models with a larger height range. This provides a broader adjustment, useful for users who prefer a higher or lower sitting position.

150mm to 200mm – For extra tall chairs or for users with specific ergonomic requirements. This range is often seen in high-back gaming chairs and executive chairs that need significant height flexibility.

● Cylinder Diameter:

28mm – This is a standard size for lightweight gaming chairs and office chairs. It is commonly used for budget-friendly chairs that support moderate weight (up to 100kg).

35mm – A more robust option commonly found in ergonomic gaming chairs or office chairs. This size supports a higher weight capacity and offers greater durability.

50mm – Used in heavy-duty gaming chairs and executive office chairs. It provides a larger weight capacity and better stability, often used in premium models designed for heavier users (over 100kg).

● Extended Length (Fully Extended Gas Lift):

300mm to 450mm (Commonly used in standard office chairs)

450mm to 600mm (Used in adjustable desks or taller ergonomic chairs)

● Stroke Length:

80mm to 150mm (Typical for standard office chairs and gaming chairs, providing a reasonable height adjustment range)

150mm to 200mm (For taller chairs or adjustable desks, allowing more significant height changes)

200mm to 250mm (For extra tall chairs or heavy-duty office furniture)

● Cylinder Diameter:

28mm (Standard for lightweight office chairs and small-sized furniture)

35mm (Common for standard office chairs and ergonomic chairs)

50mm (For heavy-duty office chairs or adjustable desks requiring higher load capacity)

● Extended Length (Fully Extended Gas Lift):

300mm to 450mm (Depending on the chair or table’s required height adjustment)

450mm to 600mm (Used for large or tall adjustable tables)

● Stroke Length:

80mm to 150mm (Most common for office chairs, providing sufficient height adjustment for most users)

150mm to 200mm (For adjustable desks or taller chairs)

200mm to 250mm (Used for chairs or furniture requiring extra height adjustment, such as high stools or ergonomic chairs)

● Cylinder Diameter:

28mm (Standard for most office chairs and lightweight applications)

35mm (Commonly used in ergonomic and office chairs for medium weight capacity)

50mm (Used for heavier-duty applications, including executive chairs, gaming chairs, and adjustable tables)