Introduction to the safety rules of the powerful road and bridge sand washing machine
The sand washing machine equipment guides the green development of the mining industry with its high quality, high performance and high environmental protection characteristics. It is one of the representative equipments of the powerful road and bridge heavy factory.
1. Before the start of the sand washing machine, first rotate the rotor by hand to check whether there are any abnormalities in the various parts of the machine.
2. The user should operate according to the specific conditions on the site and install protective equipment on the V-belt.
3. The sand washing machine should not be repaired and cleaned during operation. It is strictly forbidden to start maintenance.
4. Do not add stones larger than the specified size.
5. The machine should rotate in a fixed direction and must not be rotated in the opposite direction.
6. When the machine is running, if abnormal vibration or noise is found, stop feeding immediately. After the material in the box is exhausted, stop the motor immediately, stop the inspection, and remove the fault before continuing operation. Stop the motor first in case of tightness. Before starting the machine, the material in the cavity must be removed and the load is started.
7. Bucket sand washing machine work site should not be stacked with debris, and must have enough light for lighting equipment.
Henan Qianglu Bridge has always adhered to the road of scientific and technological innovation, adhere to the principle of good faith, strong road and bridge sand washing machine equipment will be rising, we will continue to provide our customers with quality and safe sand washing machine equipment. (Ke)
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Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting.
The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition fromFlange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces.
These Welding Neck Flange are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. This prevents turbulence at the joint and reduces erosion. They also provide excellent stress distribution through the tapered hub and are easilyradiographedfor flaw detection.
This Welding Neck Flange will be welded to a pipe or fitting with a single full penetration, V weld (Buttweld).
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