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Installation Instruction for Flange or Flange Adaptor

Flange adaptor (Flange adaptor, threaded flange, flange) can be used for the transitional connection between the grooved pipe and the equipment & valves with flanges. The diameter, location and measurement of the bolt hole on Flange adaptor are matching the bolts of international standards (GB9114. 9115. 9116. 9119. 9123-88)

1. Before installation, whether the groove meet the standard should be checked and then wipe away the pickles, iron rust, greasy dirt on gasket ring and pipe.

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2. Assemble one part of flange on the pipe, and keep it in the groove of pipe.

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3. Put another part of flange in the groove, screw the bolts and nuts averagely on the two parts.

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4. Check the gasket to keep the availability in any situation, spread lubricant on surface of gasket.

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5. Assemble gasket in the pipe OD and flange groove, to keep the gasket in right orientation.

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6. Secure the bolts and refer to Table 5 for Bolt-Torque.

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7. Insert standard bolts in bolt holes.

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8. Insert standard bolts in the mated flange holes and screw nuts on them.

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9. Secure the nuts and refer to Table 5 for Bolt-Torque.

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Post time: Jul-21-2021