1PC 150N~300N Hydraulic Spring Controllable Air Spring Seat Pneumatic Support Rod Nursing Bed Lifting Swivel Chair

1PC 150N~300N Standard Hydraulic Spring Controllable Air Spring Seat Pneumatic Support Rod Nursing Bed Lifting Swivel Chair

we can provide the standard spring with force as below, in addition ,we can provide the force range from 80N ~300N, if you need other size or force, please feel free to contact with customer service, and we can customize them for you. but we can't accept the return goods for the customized product, please kindly consider this before placing an order.

1) Force 150N≈20KG≈34LBS

2) Force 200N≈20KG≈45LBS

3) Force 250N≈25KG≈56LBS

4) Force 300N≈30KG≈67LBS

Size Information: Sprin max extended length approx. 30cm (11.81 inch) for cylinder 180mm and stroke length 80mm and max extended length approx.34cm (13.39 inch) for cylinder 200mm and stroke length 100mm, please refer to the image for detailed size data

Please kindly be noted that the stroke length doesn't include the screw thread length.

Scope of application:-

reclining seat/chair, apparatus and instruments, auto spare parts, bed, wheelchair, study desk, etc.

Note:

Please allow slightly errors (1mm~5mm) due to manual measurement.