[China Instrument Network Industry Focus] In order to further strengthen the supervision and management of measurement, many areas in China have carried out the measurement and supervision of the civilian three-form meter to ensure the accurate measurement of the civil three-meter and the development of a harmonious society.
Weifang City, Shandong Province to carry out special metering inspection of water meters to further strengthen the supervision and management of water metering special measurement verification agencies to ensure the effectiveness of the transfer of authorized organizations work, recently, Weifang City Quality Supervision Bureau focused on water meter authorized units to carry out special supervision and inspection work.
It is understood that the focus of this supervision and inspection is to check the conformity and effectiveness of the organizational structure and management system of the authorized metrology verification agency, and to supervise and verify the traceability and accuracy of the measurement standards responsible for the establishment, maintenance, operation, and use of the metrological verification agency. Check the implementation of staff assessment training, qualification registration, review and replacement, and other management; assume the authorization of work carried out to verify or calibrate measuring instruments, through blind comparison or re-examination and other methods of quality inspection.
Ganzhou City, Jiangxi Province to carry out "three civilian watch" supervision Ganzhou City Quality Supervision Bureau to increase work, pay close attention to the "three civilian" (electric meters, water meters, gas meters) measurement supervision and management. , Ganzhou City Bureau of Quality Supervision organized the provincial and county-level power supply companies authorized by the Bureau of Quality Supervision of Jiangxi Province to perform the first verification of the energy meter used for trade settlement before installation and use, and the verification rate must reach 100%; the water meter measurement standard has been established. And by measuring the authorized statutory metrological verification agencies at the county level, they shall assume the task of water meter verification within their jurisdiction.
For the power meter for trade settlement, starting from the sixth year of installation, the Municipal Bureau of Quality Supervision and Administration of Ganzhou City will carry out batch sampling inspection on the spot every year, and sample the same manufacturer's and the same type of electric energy meter according to relevant regulations. At the same time, the Bureau will conduct irregular inspections of the work performed by the counties (cities, districts) within the area under its jurisdiction, and conduct inspections on water meters without installation of the first inspection, exceeding the scope of inspections, and not strictly following the verification procedures to verify the water meter. The relevant provisions of metrology laws and regulations will be severely investigated and dealt with; the supervision and management of gas companies will be strengthened, and the behavior of installing and using gas meters that have not been firstly inspected will be severely investigated and dealt with. The first inspection and expiration of the gas meters will be completed in time to ensure the use of gas. The table is within the validity period of the verification.
In Susong County, Anqing City, to carry out measurement and supervision of cold water meters in order to strengthen the measurement and supervision of trade settlement cold water meter measuring instruments to ensure accurate and reliable value, to protect the legitimate rights and interests of the people, on October 15, Anhui Province, Ansong City Susong County The supervisory bureau carried out special activities for the county water supply company to carry out cold water metering, supervision, spot checks and product quality supervision and spot checks.
The Bureau strictly complies with the Measures for Measures of Measurement Authorization Management and the Measures for the Administration of Product Quality Supervision and Inspection of Spots, and focuses on civilian cold water meters that have not been installed or used after they have been installed and tested, and that are purchased and sold by water companies. The civilian cold water meter was supervised and spot checked. A total of 100 water meter samples were sampled, of which 20 were installed in water meters and 60 water meters had been installed first, and then civilian cold water meters with different specifications were installed. Groups (5 per group). At present, the extracted samples have been sealed and sealed, and sent to the provincial metrology institute for verification and inspection.
Weifang City, Shandong Province to carry out special metering inspection of water meters to further strengthen the supervision and management of water metering special measurement verification agencies to ensure the effectiveness of the transfer of authorized organizations work, recently, Weifang City Quality Supervision Bureau focused on water meter authorized units to carry out special supervision and inspection work.
It is understood that the focus of this supervision and inspection is to check the conformity and effectiveness of the organizational structure and management system of the authorized metrology verification agency, and to supervise and verify the traceability and accuracy of the measurement standards responsible for the establishment, maintenance, operation, and use of the metrological verification agency. Check the implementation of staff assessment training, qualification registration, review and replacement, and other management; assume the authorization of work carried out to verify or calibrate measuring instruments, through blind comparison or re-examination and other methods of quality inspection.
Ganzhou City, Jiangxi Province to carry out "three civilian watch" supervision Ganzhou City Quality Supervision Bureau to increase work, pay close attention to the "three civilian" (electric meters, water meters, gas meters) measurement supervision and management. , Ganzhou City Bureau of Quality Supervision organized the provincial and county-level power supply companies authorized by the Bureau of Quality Supervision of Jiangxi Province to perform the first verification of the energy meter used for trade settlement before installation and use, and the verification rate must reach 100%; the water meter measurement standard has been established. And by measuring the authorized statutory metrological verification agencies at the county level, they shall assume the task of water meter verification within their jurisdiction.
For the power meter for trade settlement, starting from the sixth year of installation, the Municipal Bureau of Quality Supervision and Administration of Ganzhou City will carry out batch sampling inspection on the spot every year, and sample the same manufacturer's and the same type of electric energy meter according to relevant regulations. At the same time, the Bureau will conduct irregular inspections of the work performed by the counties (cities, districts) within the area under its jurisdiction, and conduct inspections on water meters without installation of the first inspection, exceeding the scope of inspections, and not strictly following the verification procedures to verify the water meter. The relevant provisions of metrology laws and regulations will be severely investigated and dealt with; the supervision and management of gas companies will be strengthened, and the behavior of installing and using gas meters that have not been firstly inspected will be severely investigated and dealt with. The first inspection and expiration of the gas meters will be completed in time to ensure the use of gas. The table is within the validity period of the verification.
In Susong County, Anqing City, to carry out measurement and supervision of cold water meters in order to strengthen the measurement and supervision of trade settlement cold water meter measuring instruments to ensure accurate and reliable value, to protect the legitimate rights and interests of the people, on October 15, Anhui Province, Ansong City Susong County The supervisory bureau carried out special activities for the county water supply company to carry out cold water metering, supervision, spot checks and product quality supervision and spot checks.
The Bureau strictly complies with the Measures for Measures of Measurement Authorization Management and the Measures for the Administration of Product Quality Supervision and Inspection of Spots, and focuses on civilian cold water meters that have not been installed or used after they have been installed and tested, and that are purchased and sold by water companies. The civilian cold water meter was supervised and spot checked. A total of 100 water meter samples were sampled, of which 20 were installed in water meters and 60 water meters had been installed first, and then civilian cold water meters with different specifications were installed. Groups (5 per group). At present, the extracted samples have been sealed and sealed, and sent to the provincial metrology institute for verification and inspection.
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 from flange 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 flanges 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 easily radiographed for flaw detection.
This flange type will be welded to a pipe or fitting with a single full penetration, V weld (Buttweld).
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