How to choose the splay blind plate

Splay blind plate used normally in the blind pipe system in isolation. One end of the utility model is a blind plate, and the other end is composed of a throttling ring.

In the delivery of fluid, the use of throttle, cut off when the use of blind plate, a bit like the role of cut-off valve. The sealing performance is good. Before and after the splay blind plate should have 2 cut-off valve, all in a closed state, the replacement of 8 word blind plate status.

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Rust removing function of sand blast elbow

Sand blast elbow has good elasticity, low steel value, corrosion resistance, high pressure and other characteristics.

Seamless elbow blasting has two advantages. First remove the inner wall of the elbow of the lead, pay attention to environmental protection, to avoid harmful substances into the pipeline, especially medium water is more strict requirements. Second, you can repair a lot of seamless elbow defects, make it more beautiful.

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Features and use of carbon steel bend

Carbon steel bend is to change the direction of the pipeline on the carbon steel pipe fittings. Connection: thread and welding.

Carbon steel bend is two large diameter pipe connection device, usually is the two elbow plate and a plurality of fastening bolts. When the right amount of carbon is added, it becomes hard and the plasticity decreases.

Carbon steel bend may be required to withstand high tensile, compression, torsion, shear strength, carbon steel bend is a better choice.

Carbon steel bend is widely used in thermal power, iron and steel, machinery and other industries.

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Stainless steel seamless bend’s advantages

Stainless steel seamless bend is a kind of pipe fitting used for pipe turning. The largest proportion of all pipe fittings used in piping systems.

Stainless steel seamless bend is suitable for oil, natural gas, chemical, water and electricity, construction and boiler industry pipeline system. The utility model can be used as raw material, and the cost of the equipment and the mould can be saved.

Seamless elbow has the following advantages: light weight, good heat resistance, good corrosion resistance, good thermal insulation, good impact resistance, long life characteristics.

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A brief introduction to antirot flange

Antirot flange can be used in harsh environments, and avoid prolonged corrosion.

Flange is a kind of disc parts, the most common in the pipeline engineering, flanges are used in pairs.

Antirot flange mainly adopts oiled, galvanized anti-corrosion measures etc.. The flange can be divided into container flange and pipe flange. Antirot flange is mainly used in anticorrosion technology of radiation crosslinked polyethylene heat shrinkable tape.

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Maintenance of threaded plug

Threaded plug is a tool to measure the size of the internal thread.

1, threaded plug after use, should be measured in time to clean up parts attachments, stored in the measuring box within the prescribed.

2, the production site in the dosage should be placed in the process of setting out position, to prevent knock and measuring surface damage. It is strictly prohibited to measure the tool as a cutting tool forced into the thread, to avoid early wear.

3, adjustable threaded plug non metering staff adjusted, to ensure the accuracy of measuring.

4, threaded plug is not used for long time, should be referred to the management department for safekeeping.

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Calibration method of threaded plug

Threaded plug is a tool for measuring internal screw thread size standard.

1, the appearance of inspection: with a magnifying glass or tool microscope, check whether there is a broken tooth or tooth deformation damage.

2, to be a school micrometer measuring GP and IP (or WP) diameter, read and record the measured value.

3, screw gauge of GP and IP (or WP) outside diameter specifications.

4, the difference between the measured value and the measured value as the basis for the judgment.

5, check unqualified, shall make correction to this gauge instrument, according to the check procedures.

6, if it can not be amended, it is necessary to limit the use or scrap.

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The use of carbon steel cap

Carbon steel cap used for sealing pipe, and the same pipe plug. But the cap can be directly screwed on the pipe, do not need other pipe fitting.

Carbon steel cap is an important component in petrochemical industry, atomic energy to food and pharmaceutical industry pressure vessel equipment.

1, Carbon steel cap is the pressure vessel on the end cover, is a pressure vessel of the main pressure parts.

2, Quality of carbon steel cap is directly related to the long-term safe and reliable operation of the pressure vessel.

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Selection skills of compensator

The compensator is composed of a corrugated pipe, bracket, flange, conduit, etc., which are the main body of the compensator. Belong to a kind of compensation element.

Selection skills of compensator:

1, the user according to the thermal displacement of the pipe system to select the appropriate compensator.

2, the maximum allowable amount of each wave expansion: full height △α=±24mm; half height△α=±12mm。

3, the ash board: the air duct or less dust can not be used on the pipeline, the flue dust should be used for gray board.

4, as the number of nodes reduce the bellows, should consider drawing 50%.

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The function of compensator

The compensator is also called expansion joint, or expansion joint. Belong to a kind of compensation element. It consists of corrugated pipe, end pipe, bracket, flanges, pipe and so on.

1, the axial, transverse and angular cold and hot deformation.

2, the expansion of the bellows compensator to facilitate the installation and removal of the valve pipe.

3, absorb the vibration of the equipment and reduce the influence of the vibration of the equipment on the pipeline.

4, deformation of pipeline, absorb seismic subsidence.

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Applicable range of alloy steel bend

Alloy steel bend is the role of the connection, is connected to the nominal diameter of the same pipe, so that the pipe to do 90 degrees or other angle of turn.

With the continuous improvement of industrial level, people pay more and more attention to the use of alloy steel bend.

Alloy steel bend has the excellent function of impact, extrusion and material abrasion. It is often used in concrete pipes, slurry pipelines, and so on.

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