The Tech Master GPD414 Series two stage twin cylinder control panels are designed for primary pressure gas control of technical grade Acetylene gas up to 4.5 purity (99.995%), on applications where constant delivery pressure is required as the cylinder pressure decreases.

■ GPD414P Series | Two Stage Twin Cylinder Differential Autochange Control Panel for Acetylene – Pipeline Pressure Relief Valve

■ GPD414S Series | Two Stage Twin Cylinder Differential Autochange Control Panel for Acetylene – Slam Shut-Off Valve