DIP TUBE: 4.7 CONNECTION: 3/4" 14 NGT RELIEF SETTINGS: 375 PSIG ACME VALVE: Type 1 ACME COMPATIBILITY: Compatible with 30# LP This Type 1 ACME valve (CGA791) is intended for DOT cylinders with 30 pounds LPG capacity. This valve has a vapor service outlet, relief valve, captive fixed liquid level gauge, and an overfill prevention device (OPD). The brass safety cage surrounds critical welds, providing additional protection to components for long-term operational performance. Please refer to the cylinder collar to confirm the correct size required for your tank. Rapid purging and filling with over one million BTU withdrawal capacity. Tri-lobular one-piece forged aluminum handwheel. Double O-ring stem seal for improved leak resistance. Pre-applied sealant. Quality O-ring check valve seat; opens only with positive seal. Cylinder capacity: 30 lbs. Container Connection: 3/4" 14 NGT. Outlet Connection: Type 1 ACME and POL. Relief Setting: 375 PSIG. Dip Tube: 4.7". Must be installed by a qualified cylinder technician due to torque specifications. Compressed gas cylinders and valves are dangerous. Please use caution.