??Packing installation prone to problems

??Packing in the installation prone to the following questions, mainly due to the operator's lack of awareness of the importance of packing, and fast, trouble, caused by mishandling.

??1, the cleaning work is not complete,, careless operation, abuse tool, stem, gland, stuffing and no oil clean, debris and even within the letter; the operation is not in the order filler hole without special tools, just use the chisel cutting filler, filler installation with a screwdriver.

??2, packing improper selection, low generation of high, narrow-generation wide; the general low pressure filler used in high temperature and highly corrosive media.

??3, fillers take the angle is wrong, of varying lengths; installed in the stuffing box is not flat, not tight.

??4, multi-fill release, multilayer wound filler, once pressed, so that the stuffing box packing uneven, there is a gap, after pressing within the tight loose outside, increasing the leakage packing.

??5, packing installation too, so the packing gland in the stuffing box above displacement, abrasions stem.

??6, tightening the packing gland and stuffing the gap is too small, in case of leakage in the use of fillers, it can not tighten the packing gland.

??7, packing gland on the packing too tight, increasing the stem wear, the valve opening and closing force increases.

??8, packing gland crooked, uneven tightness.

??9, stem and packing gland gap is too small, rubbing wear stem.

??10, O-rings distorting, scratches, pull deformation and other defects. .