7.4 尺寸特征 Dimensional characteristics

Connecting thread and outlet pipe dimensions shall comply with the values specified in Table 18 and Table 19.

Table 18 — Threads and outlet pipe

Table 19 — Permitted thread lengths

Side-entry WC flushing valves shall comply with the dimensions specified in Figure 18.

Top-entry flushing valves shall comply with the dimensions specified in Figure 19.

Figure 18 — Side-entry WC flushing valves

Figure 19 — Top-entry WC flushing valves