Explore the precision and versatility of Gemels BD Bidirectional Needle Flow Control Valves, engineered for reliable flow control in both directions. Available in sizes ranging from DN6 (1/4) to DN40 (1.5), these valves feature BSP-NPT ends and can withstand pressures of up to PN400 (5800 psi), ensuring optimal performance even in demanding environments. With a temperature range from -20C to +100C (-4F to +212F) and enhanced with galvanized treatment for durability, they offer exceptional reliability across a broad range of operating conditions. Customize your valves with special threads and pressure class PN 350 upon request to meet your specific application requirements with precision and efficiency.