2016年10月20日 · The compression packing manual provides a breakdown of the performance properties of different classes of materials and fits into the STAMPS selection process. 2. Preparation Once the correct packing material has been selected, make sure the pump and accessories are properly prepared for installation of the packing.

2011年12月17日 · For most braided pump packing, liquid leakage is absolutely necessary to provide lubrication and cooling of the sealing surface and ensure the seal's long life. When adjusting pump packing, the goal is to arrive at the lowest acceptable leak rate while maintaining thermal equilibrium. Overtightening is the most common cause of packing failure.

2025年2月11日 · The reliable operation of pump systems depends heavily on effective sealing solutions, which maintain efficiency, safety and longevity. While mechanical seals have been widely adopted for their advanced leak-prevention capabilities, compression packing continues to play a vital role in demanding applications involving aggressive media and slurries. …

2022年2月16日 · Packing is ideal for many process applications. This article will help users install, operate and maintain packing like a professional. Precision Installation. After removing the spent packing and examining the stuffing box, technicians then cut the packing rings. Measure the shaft of the equipment, whether it is a pump, mixer or agitator.

2024年6月26日 · The consequences of a downed pump due to failing or condemned packing can have a significant impact on both a facility’s production and the asset itself. Damaged pump shafts and improper installation are common causes of seal and packing failure that can lead to hazardous leakage, a lack of compliance with standard regulations, as well as ...

2021年2月16日 · Over the last 100 years, there have been some technological advancements in pump packing—new fibers, lubrication, construction and more. But, even the best designed packing can have poor performance if not properly installed. One of the most important steps that is often overlooked in pump packing installation is inserting the rings into the stuffing box. Poor …

2021年10月18日 · From a mechanical packing manufacturer’s point of view, there has always been an application where the braided mechanical packing has failed. Whether the application was in a pump, mixer, valve or another specialty piece of equipment. It is always a quick decision to look toward the braided packing as the primary cause of the failure or problem. People …

2013年8月29日 · Proper packing performance in slurry applications depends on maintained pressures—not flow rates. Packing Flush Water Usage Rate. A common misconception is that packing uses excessively large volumes of water. Braided packing does, as a general rule, use more water than mechanical seals.

2011年12月17日 · The frequent replacement of packing adds the burden of additional packing purchases, labor hours to repack and lost production due to downtime. Each pump handling abrasive fluids uses 4 gpm to flush destructive abrasives from the packing. This equates to 2,100,000 gallons/year/pump of wasted water into the pumped fluid.

2011年12月17日 · When selecting packing, keep in mind the pressure and shaft speed. Repacking a Pump. When repacking a pump, ensure that the driver and pump have been safely isolated and that all safety precautions are followed. New packing should never be added on top of old packing. Start by removing all packing and the lantern ring.