Plastic & Brass Fittings
When ordering a part please be aware that the BSP size is different from the actual measurement of the thread. For example 1” BSP would actually measure from one side of the thread to the other as 1.3 inches or 32mm. If you are unsure which is the correct part please call or email for assistance or refer to out BSP sizing reference chart.
Metric Name |
BSP Name |
Actual Major Diameter in mm |
Actual Major Diameter in inches |
15mm | ½” | 20.995mm | 0.825 |
20mm | ¾” | 26.441mm | 1.041 |
25mm | 1″ | 33.249mm | 1.309 |
32mm | 1 ¼” | 41.91mm | 1.65 |
40mm | 1 ½” | 47.803mm | 1.882 |
50mm | 2” | 59.614mm | 2.347 |
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