AQF65 105 safety valve

AQF65-105 Safety Valve - Ultra-High Pressure Hydraulic-Driven Petroleum Machinery for Wellhead Safety Control Product Overview The AQF65-105 Safety Valve is an ultra-high-reliability hydraulic-driven safety valve, a flagship product in Yancheng Kaifa Petroleum Machinery Co., Ltd.'s petroleum machinery portfolio, serving as a critical executing component of ultra-high-pressure oilfield well safety systems. Engineered for 105MPa ultra-high-pressure wellhead applications with a 65mm nominal diameter, this valve consists of two core parts: the safety valve preparation valve and hydraulic driver. It opens by compressing the heavy-duty lower spring via high-pressure oil entering the driver's upper cavity, and automatically closes when dangerous ultra-high pressure is detected – releasing hydraulic cylinder pressure to trigger the spring-driven valve stem closure, safeguarding ultra-high-pressure wellhead equipment and personnel. Fully compliant with API 6A Grade IX standards, it outperforms…

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