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.