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Shenyang Wen Sheng instrument and Equipment Co., Ltd.


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Quick opening blind plate how to correct operation and maintenance of the use of norms

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Quick opening blind plate how to correct operation and maintenance of the use of norms

Release date:2016-05-14 author: Click:

Quick opening blind plate



GD quick opening blind plate (BANDLOCK type 2) operation and maintenance manual 1 range 1.1 rules for the operation method of using pig receiver & launcher and horizontal filter separator on GD quick opening blind plate opening and closing of the Sichuan East gas transmission pipeline. 1.2 this procedure is applicable to the GD fast opening blind plate used in the pipeline of the gas transmission pipeline and the horizontal filter.

The 2 risk identification and mitigation measures hazards risk mitigation measures of mechanical injury injuries, injuries to strengthen the operation supervision, wear labor protection supplies, when the operation body cannot is blind, should stand on the side of gas poisoning and casualties to enhance the detection of the concentration of harmful gas asphyxiation, wearing a mask or respirator for fire and explosion personnel casualties and property loss to strengthen supervision of the work, to detect the concentration of natural gas, wear protective clothing, use explosion-proof tools, control all the fire, to prevent the container operation by wet self ignition, 3, operation method and precautions before: check the instrument is normal; check the container and quick opening blind plate joints should be free leakage; necessary explosion-proof tools, fire extinguishers, fire blankets and other facilities must The preparation is complete; opening and closing operation carried out by a blind person, care and other personnel; during the opening and closing operation, fast opening blind plate front to stand on; in view of the natural elasticity of the lock belt, so the expansion and contraction of the lock belt on the handle to maintain an appropriate force; otherwise, the stem will be from horseshoe assembly was launched, resulting in potential danger; do not allow the lock belt with card carry, please control lock with continued expansion and contraction。 3。1 the opening of the blind plate 3。1。1 inspection container import and export valve is completely closed。 3。1。2 open the air vent valve until the pressure is zero, the observation。 3。1。3 when there may be FeS powder or sediment time of equipment, the equipment or pipeline the pressure gauge on the bleeder valve into about 10% volume of equipment to equipment in clean water, wet, wet operation after the drying container after passing the re operation。 3。1。4 slowly loose screws, whether the pressure of 3。1。5 to ensure the sliding surface clean container check ring。 3。1。6 screw the pressure relief bolt, if there is any indication of residual pressure, please tighten the wait until the confirmation of no residual pressure when the screw bolt assembly。 3。1。7 anti clockwise 180 degrees rotation handle to start the drive chain and the horseshoe mechanical device and the lock with gradually back to the door of the groove。 3。1。8 then remove the omni-directional handle, with the door hinge handle to open the door。 3。2 closed 3。2。1 check the sealing ring is in good condition, the installation direction is correct。 3。2。2 to ensure the sealing and sealing surface, sealing groove clean

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