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Standard Seals Seal Of Common Sense
Hxseals Industry Co.,Limited | Updated: Oct 11, 2017

standard seals Seal of common sense

Common sense and wash

1. Standard seal work principle

Standard seal is to rely on a pair or several relative sliding standard of perpendicular to the axis seals the end of rock wool board face in standard seal of fluid pressure and the filling mechanism of elastic (or magnetic force) under the action of keep posted combined with auxiliary seal and resistance to leakage of shaft seal device.

2. Selection of common materials for standard sealing

Clear water; The normal temperature; (dynamic) 9CR18, 1CR13 stacking cobalt chromium tungsten, cast iron; Graphite, bronze, phenolic plastic.

River water (containing sediment); The normal temperature; Tungsten carbide, (static) tungsten carbide

The sea; The normal temperature; (moving) tungsten carbide, 1CR13 stacking cobalt chromium tungsten, rock wool slab cast iron; (static) graphite, tungsten carbide, metal ceramics;

100 degrees of hot water; (moving) tungsten carbide, 1CR13 stacking cobalt chromium tungsten, cast iron; (static) graphite, tungsten carbide, metal ceramics;

Gasoline, lubricating oil, liquid hydrocarbon; The normal temperature; (moving) tungsten carbide, 1CR13 stacking cobalt chromium tungsten, cast iron; (static) impregnated resin or tin antimony alloy graphite, phenolic plastic.

Gasoline, lubricating oil, liquid hydrocarbon; 100 degrees; (moving) tungsten carbide, 1CR13 surfacing; (static) a bronze or resin graphite.

Gasoline, lubricating oil, liquid hydrocarbon; Contain grain; (moving) tungsten carbide; (static) tungsten carbide.

The purpose of rinsing is to prevent the accumulation of impurities, to prevent the formation of airbags, to maintain and improve lubrication, and when the washing liquid is low, the rock wool board has a cooling effect. The washing methods are mainly as follows:

1. Internal flush

1. Flush

(1) characteristics: using the working host's sealed medium, the rock wool insulation board is imported from the outlet of the pump through the pipe to the sealed chamber.

(2) application: for cleaning fluid, P1 is slightly larger than P. When the temperature is high or impurities, the cooler and filter can be set on the pipeline

2. Backwash

(1) features: the sealing medium of the working host is used, the outlet of the pump is introduced into the sealed cavity, and the pipe is flushed back to the pump inlet.

(2) application: for cleaning fluid, and P to 3. Rinse all.


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  • Hxseals Industry Co.,Limited

  • ADD:Floor 4th, Building A1, No.8 Mingguang Road, Jiangshan Town,Yinzhou district, Ningbo, China 315191

  • Contact: Amy

  • Tel: +86-574-87276596

  • Fax: +86-574-56704218

  • Phone: +8618069208948

  • Email:amy@hxseals.com

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