LPG - CNG Cylinders

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LPG - CNG Cylinders

GLP and GNC Cylinder Shot Blasting Machine

Cym Materiales SA presents GAR its complete line of continuous shot blasting machine for new or used LPG and CNG cylinders, removing liquid or powder paints, rust, scale and other contaminants, leaving the surfaces ready to apply all type of coating.

GAR machine meets the highest demands of work being the same robust, reliable and compact and thanks to an exclusive design and applied know-how, ensure high productivity at a low cost operating and investment working with a non-polluting process of the environment.

Depending on the production process of each client, our machines can be complemented with a series of additional equipment that favors the automation and optimization of the same by attaching external horizontal or vertical passage conveyors with automatic loading and unloading systems and dosing of cylinder entry into the machine.


Features Construction

Blast Cabinet

  • External structure with robust and compact design made of SAE1010 steel.
  • Internal lining made of high chrome cast steel (≥64Rc) and MN Steel (11-14)
  • Screw conveyor - Spiral 15b30 boron-steel
  • Access door blast cabinet
  • Inlet and outlet chambers with sealing curtains to minimize abrasive escape from the blast compartment


External Chain Conveyor

  • For continuous loading cylinders


Internal Cylinder Conveyor

  • Internal RI and RD conveyors with simultaneous advance and rotation system exposing the entire surface of the cylinders to shot blasting
    • RI- Non-parallel rollers, with low maintenance cost.
    • RD – Diablo rollers, recommended for use on machines with high cylinder production
  • Rollers made of high chrome cast steel (≥64Rc)
  • Variable cylinder advance speed for the different sizes and blasting qualities required


Blast Wheel Unit

  • Located strategically with a correct distribution of shot on the cylinders to be treated resulting in a better coverage and better performance of the machine
  • Direct Drive from 10 HP up to 60 HP
  • Housing manufacture in MN (11-14%) steel Forming together with the internal liners and double resistant wear wall
  • High chrome steel Internal liners (≥64Rc). Liners attached by screw with hardened cast steel head cover for abrasion protection
  • Positioning and fixing system for control cage, eliminates the risk of incorrect adjustment of the hot spot.
  • Labyrinth seal of abrasive between engine coupling and housing with possibility to mount the turbines in any position


Abrasive Recovery System

  • Bucket elevator
    • Cast bucket – SAE 1035 steel
  • High efficiency Air flow abrasive cleaning
  • Upper Screw - Spiral 15b30 boron-steel
  • Storage hopper for good abrasive
  • Maintenance platform
  • Pneumatic Valves flow
  • Optional
    • Automatic Abrasive Regeneration


Dust Collector

  • Steel construction: 3.2 mm thick
  • Cartridge media cleaning: reverse Pulse jet
  • Easy replacement of cartridges
  • Efficiency ≥ 0.5 micron / 99.9%
  • Emission < 1 mg/m3
  • 200L dust accumulation drum with lid transition to drum with sleeve filter
  • Intermediate gravitational separator located between blast cabinet and dust collector allows for increasing the air flow inside the cabinet without risk of carrying good abrasive to the dust collector drum
  • Optional
    • Silencer and Mineral wool cover kit to reduce noise ≤ 85dBA a 1.52m
    • Maintenance platform


Electric Component

  • Control panel for operation control
  • Components and motors: according to customer requirement IEC, Nema, UL, etc.
  • PLC control: Siemens
  • Emergency stop button: included
  • Wire cables to connect control panel and motors
  • Optional
    • Movement sensor motors
    • Cooling
    • Soft Start motors
    • Ewon comunication for remote control


Technical Data –Cylinder Shot Blasting Machine - GAR


Advantages in the use of Cym Shot Blasting Machines

  • High production volume, with minimal operating cost.
  • Enhanced finish consistency of processed parts.
  • Automatic shot blasting process which does not require skilled labor • With proper equipment operation, there are no health problems for the staff, or damage to the facilities and not pollute the environment


Alternative Shot Blasting Equipment

Batch Shot Blasting Machine

  • Recommended for processing low productions of LPG, CNG, fire extinguishers and air gases cylinders.
  • ECO with parallel rollers to process cylinders in horizontal position. It allows to process the whole range of cylinders being more focused on oxygen and CNG tubes
  • CAB and SAT Cylinders are processed in a vertical position hanging on devices on hooks. Depending on the size of the cylinder to be shot, one or more can be loaded simultaneously.


Continuous Hook Blasting Machine

  • Two lines of continuous hook conveyor
    • TUN for shot blasting small and medium size cylinders
    • EST equipped with 8 or 12 turbines allows to process small, medium and large cylinders size.
  • They can work autonomously or be coupled to the same hook conveyor that occupies the paint line, thus avoiding cylinder manipulation between both processes.



  • Flexible blasting process allows to process all kinds of pieces that, due to their size or complexity, cannot be processed in automatic shot blasting machines
  • One or more operators are inside the blastroom during the blasting process using pressure blast pot to project the abrasive.
  •  A protective suit and a helmet protect the operator from abrasive impact,
  • In combination with nozzle manipulators installed in the blastroom, surfaces can be automatically processed


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+54 341 490 1100


+54 11 3979-4111 / +54 9 11 3345-8578


TÜV Rheinland Argentina,S.A.