Folding stairs
2013-9-26 11:55:09
        PS series of folding stairs is the product specially manufactured by our company to provide passageway between loading bridge and tank truck.
  The principle is four-bar mechanism, parallelogram shaped, keeping each tread parallel to the ground during stair rotation to ensure the operator standing upright while walking.
  Over-turning moment of the stair keeps balance by spring cylinder consisting of several sets of inbuilt spring, saving labor during folding and unfolding operation. Folding stair mainly consists of tread, handrail, spring cylinder balance system and locking mechanism, featuring novel structure, easy operation (by one person), reliable and safe operation.
  The whole body is galvanized with nice appearance, anti-corrosion and durability. The tread is made up of steel grating molded by Sinosteel Corporation with good non-skid performance. Contact area employs oil-resistant rubber part to prevent from spark caused by collision.
  Model
Model Passageway Width Extend Length Weight(KG)
PS-3 600 1100~1300 110
PS-4 600 1300~1600 120
PS-5 600 1600~1900 135
Office address:20/F, Lake View Building, No.676 Xianjiahu Road, Yuelu District, Changsha, Hunan, China P.C:410205
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