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Compensator, expansion joint, the slip joint procurement guidelines

2015/11/17 16:29:26      Click£º
Compensator, expansion joint, the slip joint procurement guidelines:
A. Compensator, expansion joint, expansion joints of pressure piping components belong to the category of special equipment, so should be paid attention to when purchasing the following:
1. Screening of manufacturers to choose qualified and have the production certificate (license) of the manufacturers.The manufacturer shall have factory to condition, equipment, testing equipment to meet the requirements, and have experience in the production of special equipment for many years.
2. When purchasing needs to provide manufacturers with the required compensator, expansion joint, expansion joints, complete data and requirements, such as: compensator, expansion joint, expansion joints, size, pressure, medium temperature compensation amount (also called pipe expansion amount) and connection mode and data.
3. Need to require producers receive customer data shall be provided to the user at the same time compensator, expansion joint, expansion joints complete product data (such as product calculation, design) for user reference and design department approval.That should be paid attention to and guide customers installation problems, make products to get the correct installation and use, can buy.