About Constrc
For 43 years, one rule remains unbroken: We only produce high quality oil seals.
Every day, we test materials, measure tolerances, verify pressure limits, and refine processes—
so your equipment runs longer, and you sleep better.
Aug 21, 2014
The correct selection of the solid-liquid two-phase flow pump mechanical seal
Due to the presence of solid-liquid two-phase flow of abrasive granular media, the use of mechanical seals often consisting of the following hazards: The ① media side of the particles clogging. Because the accumulation of particles, bridges, hindered the ...
Due to the presence of solid-liquid two-phase flow of abrasive granular media, the use of mechanical seals often consisting of the following hazards: The ① media side of the particles clogging. Because the accumulation of particles, bridges, hindered the ...
Aug 14, 2014
Labyrinth seal works
Labyrinth seals sealing principle, we must first analyze the gas flow in a sealed state. When the gas flow through a gap seal teeth and the shaft surface, the air flow by a throttle, the airflow pressure and temperature drop, while the flow rate increased. The ...
Labyrinth seals sealing principle, we must first analyze the gas flow in a sealed state. When the gas flow through a gap seal teeth and the shaft surface, the air flow by a throttle, the airflow pressure and temperature drop, while the flow rate increased. The ...
Aug 13, 2014
Mechanical seal precautions to check the hard ring surface
(1) thermal cracking ; (2) ceramic ring rupture ; (3) notch; (4) the coating off . Ceramic ring assembly is too tight is the main reason for the breakdown of improper assembly is a more common reason . Due to the expansion rate of the coating material and subs ...
(1) thermal cracking ; (2) ceramic ring rupture ; (3) notch; (4) the coating off . Ceramic ring assembly is too tight is the main reason for the breakdown of improper assembly is a more common reason . Due to the expansion rate of the coating material and subs ...
Aug 11, 2014
The vacuum vessel sealing materials
① a sufficiently low saturation vapor pressure . Generally low vacuum , the saturated vapor pressure at room temperature should be less than 1.3 × 10-1 ~ 1.3 × 10- 2Pa . High vacuum , should be less than 1.3 × 10-3 ~ 1.3 × 10 - 5Pa . ...
① a sufficiently low saturation vapor pressure . Generally low vacuum , the saturated vapor pressure at room temperature should be less than 1.3 × 10-1 ~ 1.3 × 10- 2Pa . High vacuum , should be less than 1.3 × 10-3 ~ 1.3 × 10 - 5Pa . ...
Aug 7, 2014
The nature and presentation of room temperature vulcanized silicone rubber
Room temperature vulcanized silicone rubber (RTV) yes the the the the advent of by the the sixties the one kinds of's new type of organic silicon elastomer, the this kind of rubber the most significantly the characteristics of yes under the at room temperature ...
Room temperature vulcanized silicone rubber (RTV) yes the the the the advent of by the the sixties the one kinds of's new type of organic silicon elastomer, the this kind of rubber the most significantly the characteristics of yes under the at room temperature ...
Aug 2, 2014
Chemical mechanical seal technology introduced
Regardless of seals, the seals have a common requirement, namely: tight, leak less; reliable, long life; simple and compact structure; easy maintenance; low cost; cheap; interchangeability. For chemical mechanical seal leakage can generally be controlled in th ...
Regardless of seals, the seals have a common requirement, namely: tight, leak less; reliable, long life; simple and compact structure; easy maintenance; low cost; cheap; interchangeability. For chemical mechanical seal leakage can generally be controlled in th ...
RTL Version
- RTL Version
- LTR Version
