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Case Studies

HDPV2 Gate Handling Calcium Carbide

February 25, 2019
Case Studies

HDPV2 Gate Handling Calcium Carbide

February 25, 2019
Acetylene gas manufacturer/supplier
Discharge batches of dry calcium carbide from one pressurized holding vessel into another. The batch is then fed into a reactor, where it is mixed with water to produce acetylene gas.


Calcium carbide and acetylene gas react with one another to create oxyacetylene gas. Especially in the fabrication industry, oxyacetylene gas is used to fuel a very high temperature flame, which allows them to weld and cut metal.


Previously, the client used a ball valve in this process. It became a source of frustration, as calcium carbide would build up inside the ball valve – to the point that the valve was difficult to actuate. Two operators and a breaker bar were required to manually open and close the ball valve. This process was time-consuming and a safety hazard.

The replacement to the ball valve would require:

  • The ability to close on dry solid materials.
  • Sealing gas in a pressurized system (12 psi | 0.8 bar)

In most valve designs, closing on dry solid materials would cause seal wear – to the point that the acetylene gas could no longer be contained.

The Vortex HDPV2 Gate is specifically designed for use in pressurized conveying systems. Its sealed body and O-ring sealing design prevents leakage of air and materials across the gate and to atmosphere.

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