replica rolex Umbrella coverage to prolong your liability. fake watches fake watches Some actions you'll be able to choose to save lots of with your 2nd household insurance policy. Set up an alarm technique, in the event you can, also get 1 that detects fireplace or strength failure. Set up a fence. Trying to keep factors away from the property while in the very first area is usually an excellent protection. Is your property in the gated group replica breitling replica breitling ? replica cartier replica cartier replica cartier watches replica cartier watches This can be excellent for an insurance policy lower price. Would be the 2nd residence a condominium? Condos have their particular distinctive issues replica watch replica watch . One example is the affiliation typically carries insurance policy to deal with the constructing but most periods won't protect your contents. Holiday properties are only that, family vacation properties, meaning that for a long time for the duration of the entire year replica rolexfake omega

Drilling mud agitator shaft seal

Drilling mud agitator reliable seal is an important thing. The oil leak caused by mud agitator seal, not only waste oil largely, but also pollute drilling fluid. Because of mixer shaft is the rotary motion, so its seal belong to dynamic seal.

The basic requirements to dynamic seal:

1 Seal should be reliable;

2 The structure of seal should be simple, easy to loading and unloading;

3 Seal service life should be long.

In the actual use, the most common dynamic seal have two kinds: packing seal and mechanical seal. Drilling mud agitator shaft belongs to low speed, low pressure, applicable is packing seal, the packing seal has the advantage of simple structure, easy to maintain and high reliability.

The following picture is the drilling mud agitator packing seal structure, it is composed of 1-bushing, 2-packing box, 3-O ring, 4-water leg, 5-packing ring, 6-gland, 7-holding down bolt, etc.

The principle of packing seal

About packing seal principle can do such description: the padding filled into  annular gap between mixer shaft and stuffing box, under the effect of gland force, produce radial compression force to the mixer shaft surface. Because of the packing contains lubricant, so there will produce a layer of thin liquid film when produce radial compression force to the mixer shaft surface. The layer of liquid film on the one hand make mixing shaft get lubrication, on the other hand avoid to leak liquid or exterior liquid permeate. This is the principle of the packing seal.

Although added some lubricant when manufacture padding, but the quantity is limited, because the lubricant still be consumed constantly, so only rely on the padding itself lubricant is not enough, so we should also add a lubricant device on the gland box, to meet the need of continuous lubrication.

Welcome to my blog if you want to know more.


Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

quality replica watchesreplica rolex copy breitling watches copy breitling watches swiss replica breitling swiss replica breitling