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What rating sub-items should be used for grooved connected pipes and fittings?
Release time:
2024-04-28
The straight pipes connected by grooves shall apply the supplementary quotas 6B-310~6-323 DN20~DN350; the pipe fittings connected by grooves refer to elbows, tees and reducers, excluding clamps for straight pipe connections, and shall apply to No. 6 Volume pipe fittings connection 6-690～6-700 DN15～DN150.
The straight pipes connected by grooves shall apply the supplementary quotas 6B-310~6-323 DN20~DN350; the pipe fittings connected by grooves refer to elbows, tees and reducers, excluding clamps for straight pipe connections, and shall apply to No. 6 Volume pipe fittings connection 6-690～6-700 DN15～DN150.
The design specifications for automatic sprinkler fire extinguishing systems stipulate that the connection of system pipes should use grooved connectors or threaded or flange connections; pipes with a diameter equal to or greater than 100mm in the system should use flange or grooved connectors in sections connect.
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