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Xierke Industrial Control Equipment (Shanghai) Co., Ltd

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Building 1034-1035, No. 999 Wangqiao Road, Chuansha, Pudong New Area, Shanghai

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Xieke imports B-D series gas springs from DICTATOR brand in Germany

NegotiableUpdate on 02/11

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Nature of the Manufacturer: Producers

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Overview

There are four types of joints for compression type gas springs: single piece, single ear, double ear, and universal ball head, which are respectively single piece, single ear, double ear, and universal ball head. When designing, the matching joint type should be selected based on the specific installation location and the specifications of the gas spring. $r $n Xierko imports German DICTATOR brand B-D series gas springs

Product Details

The evaluation of the quality of a gas spring mainly considers the following aspects: firstly, its sealing performance. If the sealing performance is not good, oil leakage, air leakage and other phenomena may occur during use; Next is accuracy, for example, a 500N gas spring is required. Some manufacturers produce force errors of no more than 2N, while others may have products that differ significantly from the actual required 500N; Once again, the service life is calculated based on the number of times it can be extended or retracted; Finally, the force value changes during the stroke, and in an ideal state, the force value of a gas spring should remain constant throughout the entire stroke. However, due to design and processing factors, the force value of the gas spring inevitably changes during the stroke. The magnitude of its change is an important criterion for measuring the quality of a gas spring. The smaller the magnitude of the change, the better the quality of the gas spring, and vice versa.

Gas spring is an industrial accessory that can provide support, cushioning, braking, height adjustment, and angle adjustment functions. It consists of the following parts: pressure cylinder, piston rod, piston, sealing guide sleeve, filling material（noble gasOr a mixture of oil and gas, control components inside and outside the cylinder (referring to controllable gas springs) and joints, etc. The principle is to fill an inert gas or mixture of oil and gas into a closed pressure cylinder, so that the pressure inside the chamber is several times or tens of times higher than atmospheric pressure, using the piston rodcross-sectional areaThe pressure difference generated by being smaller than the cross-sectional area of the piston is used to achieve the movement of the piston rod. Due to fundamental differences in principle, gas springs have significant advantages over ordinary springs: relatively slow speed, minimal dynamic force changes (generally within 1:1.2), and easy control.

The disadvantage is that there is no relative volumehelical springSmall, high cost, relatively short lifespan. Unlike mechanical springs, gas springs have an almost linear elastic curve. The elastic coefficient X of standard gas springs is between 1.2 and 1.4, and other parameters can be flexibly defined according to requirements and working conditions.

Model analysis:B-D-20-40-0250-0/5000N-385-635-GZ14-GZ14/5

Model segment	meaning	Instructions	reference basis
B	Customer or series prefix (non-standard)	Usually project code, customer specific prefix, or internal identifier, which does not affect technical parameters	Common custom prefixes in DICTATOR models
D	Product type code (non-standard abbreviation)	In the context of gas springs, 'D' may be the abbreviation for 'Druckgasfed' (German: compressed gas spring);But standard naming usually does not include D<br>More likely to be a customized prefix for 'B - ' as a whole	The standard model of gas spring usually starts with "20-40-..."
20-40	Piston rod diameter/cylinder body diameter	Piston rod Ø K=20 mmThe cylinder body Ø Z=40 mm	File p.1: Ø Piston rod/Ø Cylinder=20-40
0250	Schedule (Stroke)	250 mmitinerary	The stroke range in the file is 50-600 mm, with 250 mm within the range
0	Damping type	0=No damping(Only provides thrust, no oil damping function)<br>(1=tensile damping, 2=compressive damping, 3=bidirectional damping)	File footnote: 0=without damage
5000N	Extension Force	5000 N(Output force in extended state)	File description: Extension force 300-5000 N, 20-40 series supports 5000 N
385	Compressed Length	The total length of the compressed state after installation (including end pieces) is385 mm	Consistent with a stroke of 250 mm: 635 − 250=385 mm
635	Extended Length	The total length of the extension after installation (including the end pieces) is635 mm	Meet the minimum length requirement: 2 × 250+100+D (GZ14) ≈ 600+mm
GZ14-GZ14	End connectors at both ends	GZ=Threaded End<br>14 'indicates thread specificationM14×1.5(See gas spring drawing)	File illustration: GZ corresponds to M14 × 1.5 for the 20-40 series
/5	Additional options	Option 5=Integrated Shutoff Valve<br>Can lock the air spring after installation to prevent accidental expansion and contraction	At the end of the file: Additional options → Valve [code 5]

Supplementary technical data (based on 20-40 push type gas springs)

parameter	value
Piston rod diameter	20 mm
cylinder diameter	40 mm
itinerary	250 mm
Extension length (including end pieces)	635 mm
Compressed length (including end pieces)	385 mm
thrust output	5000 N
Damping type	No damping (pure gas spring function)
End connector	M14 × 1.5 thread at both ends (GZ14)
Additional features	Integrated shut-off valve (lockable)
Minimum overall length requirement	2 x Stroke+100 mm+End piece=2 x 250+100+~35=635 mm(Coincidentally matching)
Typical Applications	Heavy duty cover plates, industrial doors, mechanical supports, and other applications that require high thrust and can be locked

Gas spring is a component that can achieve functions such as support, buffering, braking, height and angle adjustment. It is mainly used in construction machinery, such as covers and doors.

Gas springs are mainly composed of piston rods, pistons, sealing guide sleeves, fillers, pressure cylinders, and joints, among which the pressure cylinder is a closed chamber filled withnoble gasOr a mixture of oil and gas, where the pressure inside the chamber is several times or tens of times that of atmospheric pressure. When the gas spring acts, it utilizes the pressure difference between the two sides of the piston to achieve the movement of the piston rod. There are different structures and types of gas springs to meet different usage needs. Compression type gas springs are mainly used in construction machinery, which mainly provide support and have only the shortest and longest working positions. They cannot stop on their own during the stroke

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Xieke imports B-D series gas springs from DICTATOR brand in Germany