2-Way Ball Valve - 100/A/LD | IVR Valves Ball Valve - 100/A/LD | IVR Valves The Ball Valve - 100/A/LD from IVR Valves is part of the "Elite Gas" series, designed for medium and low pressure gas distribution systems and hydrocarbon applications. This valve ensures reliable performance and safety in managing gas flow within these systems. View ISO 331 PN 20 DIN Brass CW 617N PTFE