Hongsen QFT Ball Valve

The Hongsen Model QFT Ball Valve is a manually operated shut-off valve designed for reliable refrigerant flow control in HVAC and refrigeration systems. Suitable for bi-directional flow, it can be installed in liquid, suction, and hot gas lines of air conditioning and refrigeration equipment. The valve features specially engineered stem and ball seals made from high-performance sealing materials, ensuring excellent leak protection, smooth operation, and long-lasting performance under demanding refrigeration operating conditions. Features Supports bi-directional refrigerant flow, allowing installation in either flow direction for greater flexibility. Manufactured with a precision-forged high-quality copper valve body for superior strength, corrosion resistance, and long service life. Designed to provide minimal pressure drop, ensuring smooth refrigerant flow and improved system efficiency. Features an explosion-proof valve stem design for enhanced operational safety and reliability. Equipped with rotary-limit sealing rings that clearly define the fully open and fully closed positions for accurate valve operation. Includes a secondary sealing structure on the valve stem to provide additional leak protection and long-term sealing performance. Designed for control panel mounting, making installation, operation, and maintenance more convenient. Suitable for use in air conditioning s