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BHS Hydraulic Buffer Heavy-Duty Series

Overview

BHS Spring-type Heavy-Duty Hydraulic Buffer, the piston rod restored by outside spring, the specialty of this Hydraulic Buffer is the stroke length is shorten than cylinder diameter, application in low acceleration requirements devices when in deceleration and in braking devices.

 
Energy Absorption Theory

Hydraulic oil goes through multiple orifices in working, makes impact energy converted to heat energy; mechanical spring make piston rod restore; compressed foam volume is the same with the volume that piston rod pressed to the shock tube, designed spring restoration force is only to cover friction force of piston rod restoration.

 
Performance and Advantages

1. The design meets the standard of OSHA,AISE,CMMA and other rules like DIN and FEM safety regulations
2. With outside mechanical spring structure, buffers compressed restoration force is small
3. Special epoxy painted cylinders and high quality chrome plated piston rod has good causticity to endure bad outside working condition 
4. More accessories can be selected: including Bellows, safety chain.
5. Special seal material and unique hydraulic oil, the standard temperature range from (-10℃~60℃) extended to(-35℃~100℃).
6. Customized service, provide special design products per request.

 
Ordering Sample

Application data needed
Moving Body Weight:W (kg)
Impact Velocity:V(m/s)
Driving Force:Fp(N)
Number of buffers in Parallel:n (pcs)
Impact Cycles per hour:a(Cycle/hour)
Others(Such as Temperature,Environment etc.)

Note:
1. BHS Series is customized products, need users’ application data to design correct orifices
2. Only for Rear Flange installed, customized other installation methods.
3. We recommend install piston rod bellow, if the working condition is dusty or bad, especially for long life cycle requested.
4. If the install location is higher than 2 Meters, we recommend you use Safety-Chain to avoid falling accident.

 
Parameters
 
Model
Stroke
(mm)
Max.Energy Range /Cycle
(KJ/C)
 ET
Cylinder Diameter
(mm)
C
Page
BHS64x(Stroke)
50
0.5
64
39-40
BHS90x(Stroke)
50-100
4-8
90
39-40
  BHS100x(Stroke)
50-100
4.4-8.8
100
39-40
  BHS130x(Stroke)
70-150
10-21
130
39-40
  BHS170x(Stroke)
80-150
24-45
170
39-40
  BHS190x(Stroke)
100-150
40-60
190
39-40
  BHS220x(Stroke)
100-150
44-66
220
39-40
  BHS250x(Stroke)
100-150
60-180
250
39-40
  BHS300x(Stroke)
150-250
117-180
300
39-40
  BHS340x(Stroke)
200-300
200-300
340
39-40
  BHS360x(Stroke)
250-400
294-470
360
39-40