Town gas indoor project
The gas project within the system of urban residents, commercial and industrial enterprise users, including users and gas into the pipeline gas equipment between the gas pipeline (including indoor and outdoor gas pipeline gas pipeline), gas appliance, equipment and facilities for.
2.0.4 pipe components
An element used to connect or install a pipe. It includes: pipe, pipe fittings, flange, gasket, fastener, valve, flexible joint, pressure resisting hose, voltage regulator and filter etc..
3.2.1 state license production license, measuring instruments or special product certification, production units must provide the relevant documents, the construction unit must examine the relevant documents before installation and use, the product does not meet the requirements shall not be installed.
Parts, equipment and related materials specifications and performance should be consistent with current national standards and design file name composed of pipes for 3.2.2 indoor gas engineering, and should have qualified documents; gas appliances, gas equipment and metering device must be selected by the agency approved by the competent department of the state detection detection of qualified products and unqualified do not use.
When the materials, equipment and piping components used in the 3.2.3 gas house project come into play, the construction unit shall organize the inspection and acceptance according to the current national standards and design documents, and fill in the corresponding records. Acceptance shall be based on visual inspection and inspection of quality documents. When there is any doubt about the quality of the product or the qualified document of the product, the relevant units shall be classified and sampled according to the product inspection standards under the supervision of the personnel of the supervision (construction) unit.
"Town gas indoor engineering construction and quality acceptance specification CJJ 94 - 2009" excerpt contact: Tan Zheng, 180-0338-3735 can add WeChat, quote at any time QQ:289424295