Description
John Guest ASV8 1/2″ Bsp female thread to 1/2″ Bsp male thread adaptor with a side shut of tap with 3/8″ OD push in tube fitting.
The ASV8 adaptors are the easiest way to connect into 1/2″ Bsp water lines to branch off to a water filter.
The female end has a swivel thread with a rubber sealing washer which allows you to tighten the fitting without having to turn the complete adaptor, which is great for those hard to get to areas.
Thread Type and Size Chart
BSP size (British Standard Pipe)
Actual Diameter Imperial Actual Diameter Metric
1/8” BSP 0.35 inch 9 mm
1/4” BSP 1/2 inch 12 mm
3/8” BSP 6/10 inch 15 mm
1/2” BSP 3/4 inch 19 mm
3/4″ BSP 1 inch 25 mm
1” BSP 1 & 1/4 inch 31 mm
1 & 1/4″ BSP 1 & 2/3 inch 40 mm
1 & 1/2″ BSP 1 & 3/4 inch 45 mm
2” BSP 2 & 1/4 inch 57 mm
UNS size (Unified National Special)
Actual Diameter Imperial Actual Diameter Metric
7/16” UNS 0.4375” 11 mm
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