Chemar Rurociągi Sp. z o. o. manufactures ZST-83 constant supports, catalogue sheet C01 in three varieties:
Constant support assemblies are equipped with locking mechanisms for erection and hydrostatic tests or to limit the vertical movement of pipelines. Additionally, they are equipped with reflexive rulers.
ZST-83 assemblies are regulated at the control and measuring post and locked for transportation. According to a customer's wish each constant support certificate can be accompanied by the product characteristics.