The Stuffing Box for the Polished Rod consists of a cross shell, seal gate valves, sealing pin, sealing cap, and rubber packing. The bottom of the stuffing box can be connected using threads, flanges, or clamps. This device reduces wear on the polished rod and improves oil recovery.
Key characteristics of the stuffing box are that it has a unique misaligning feature that reduces the need for precise alignment with the Pumping Unit, it is equipped with cone packing, and it has a lubricated upper gland (LUG) with a grease zerk for rod lubrication. Optional components include an oil reservoir gland (ORG) and an anti-pollution adapter (APA). The stuffing box has a simple structure, making it easy to install, and it is widely used in the industry.
specification
The stuffing box cone packing is available in sizes for polished rods measuring 1-1/8", 1-1/4", and 1-1/2". It comes in a set of four (three top cones and one bottom cone) and also includes one bottom cone.
During installation and usage, it is important to inspect and clean the device thoroughly before installation. Pay attention to the size of the polished rod to ensure compatibility with the valve specifications. When installing, adjust the seal compression force until there is no leakage. It is recommended to make adjustments in small increments to prevent a decrease in service life.
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