Vertical Quick Opening Closure production is completed!
Quantity required by customer :3sets
Destination: Indonesia
Operation of Vertical Quick Opening Closure
Opening of head cover
Before opening the head cover, be sure to confirm that the equipment has been vented and blown down. And be sure to follow the safe operating procedures.
Loosen the safety bolt. If there is residual pressure in the equipment. It will leak through the safety bolt relief tank. At this time, screw back the safety bolt and lock it. And recheck whether the vent valve and blowdown valve are open. And wait for the equipment to be completely vented and blow down.
When it is determined that there is no residual pressure in the equipment. (the pointer of the pressure gauge on the equipment returns to zero and the airflow sound stops.) The opening operation can be carried out (see Figure 1.2). The specific operation steps are as follows: 1) first remove the safety bolt and lock plate assembly. 2) Turn the multi-purpose handle to the bottom according to the unlocking direction. (Shown in Figure 1.1 to make the lock ring retract in place. 3) Turn the hand wheel clockwise to lift the head cover. When the distance between the lower surface of the head cover and the upper-end face of the barrel flange is ≥ 50mm, stop the hand wheel;
Push the rotating arm to rotate ≥ 100 ° to a position that does not affect the operation of the equipment. And tighten the positioning handwheel (not marked in Figure 1.0). So far, the whole process of opening the head cover is completed.
Closing and locking of head cover
The operating procedures are as follows:
Before closing the head cover, the rust, water stains, residual paint, dirt, and dust. And other sundries affecting the sealing on the sealing surface, and sealing groove. And sealing ring surface must be thoroughly cleaned and wiped clean, and no dirt is allowed to remain;
Carefully check whether there are cracks, scratches, permanent deformation, bulging, chemical damage. And other defects on the surface of the sealing ring. If any defects are found, the sealing ring must be replaced;
Apply a layer of lubricating grease (Vaseline, glycerin, and other antirust oil) evenly on the sealing groove and sealing surface;
Carefully put the sealing ring into the sealing groove. First, put it in the 12 o’clock and 6 o’clock directions, and press it with your hand. And then put it in the 9 o’clock and 3 o’clock directions to make the sealing ring evenly distributed. The sealing ring should be placed flat to the bottom without leaving any hanging place;
Turn the hand wheel counterclockwise and close the head cover. Note: the force should be moderate and not too strong;
Install the lock plate. Note: it should be installed in place along with the force. Do not install it forcibly. If the installation is not smooth. It may be that the lock ring or sealing ring is not in place and needs to be rechecked;
Screw-in shear off bolts.
Note: it must be screwed in vertically by hand without inclination. The bolt shall be screwed with moderate force and not too hard.
Storage
If the quick opening closure needs to be stored, even if the storage time is short. It is necessary to remove the sealing ring, thoroughly clean, and wipe the sealing groove and sealing surface. And evenly apply anti-rust oil (grease, vaseline, and glycerol). Then reinstall the sealing ring into the sealing groove. Then wrap the quick opening closure with a plastic cloth and put it into the packing box for storage.
Quick opening closure must be stored indoors. If the air humidity in the storage environment is high, desiccant shall be considered moisture-proof. The storage life of the rubber seal ring is 2 years. If it is re-examined, no problems can be found, and the storage period can be extended for 1 year.
The storage conditions of rubber sealing rings are as follows:
Temperature: the storage ambient temperature shall not exceed 25 ℃, and the low temperature has little effect on the rubber
Light: avoid direct sunlight and strong ultraviolet radiation, and keep it in an opaque box.
Oxygen: the sealing ring shall be packed to avoid air circulation.
Deformation: the storage environment of the sealing ring shall be loose enough to avoid extrusion. (by external force and mutual extrusion.)
Others: other storage methods such as “hanging” can be considered. If it is hung for storage, it cannot be hung at one point. And the hanging point shall be smooth without convex and sharp points.
Withstand voltage test
Whether it is the pressure test before the equipment leaves the factory. The pressure test after installation on the construction site. Or the overhaul pressure test during equipment operation. It must be carried out in strict accordance with the following requirements:
Firstly, open the head cover according to 3.0 of this manual;
Secondly, remove the sealing ring, and clean the sealing groove, and sealing surface. And the meshing tooth surface between the head cover and the cylinder flange. Completely remove all sundries such as water stain, rust, oil dirt, and dirt, and wipe them. And evenly apply anti-rust grease (glycerin, Vaseline, and lubricating grease);
Then, wipe the sealing ring clean and check the surface for scratches. Also indentation, permanent deformation, and other damages or defects. If any damages or defects are found, they must be replaced;
Install the sealing ring, first install it at 12 o’clock and 6 o’clock, and also press and hold it. And then install it at 3 o’clock and 9 o’clock.
Close the head cover according to the 3.1 closure and locking of the head cover in this manual.
At last, other operations for voltage withstand the test
