Non-return Valve
Non-return valve manufactured from brass. BSP thread on all screw threads.
Made in Italy
1/2 inch Male & 1/2 inch Male BSP thread
The British Standard Pipe (BSP) is a family of standard screw thread types that has been adopted internationally for interconnecting and sealing pipe ends by mating an external (male) with an internal (female) thread and has been adopted as a standard scale used in plumbing fittings.
More information on BSP Thread sizing
_x000D_BSP = British Standard Pipe measured in inches
_x000D_Nom _x000D_ size | _x000D_
Dash _x000D_ size | _x000D_
TPI _x000D_ Threads Per Inch | _x000D_
Thread _x000D_ pitch | _x000D_
Major _x000D_ diameter | _x000D_
Minor _x000D_ diameter | _x000D_
Gauge _x000D_ length | _x000D_
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(in) | _x000D_(in) | _x000D__x000D_ (in– 1) | _x000D_(mm) | _x000D_(in) | _x000D_(mm) | _x000D_(in) | _x000D_(mm) | _x000D_(in) | _x000D_(mm) | _x000D_
1/8 | _x000D_– 2 | _x000D_28 | _x000D_0.907 | _x000D_0.0357 | _x000D_9.728 | _x000D_0.383 | _x000D_8.565 | _x000D_0.3372 | _x000D_4± 0.9 | _x000D_
1/4 | _x000D_– 4 | _x000D_19 | _x000D_1.337 | _x000D_0.0526 | _x000D_13.157 | _x000D_0.518 | _x000D_11.445 | _x000D_0.4506 | _x000D_6± 1.3 | _x000D_
3/8 | _x000D_– 6 | _x000D_19 | _x000D_1.337 | _x000D_0.0526 | _x000D_16.662 | _x000D_0.656 | _x000D_14.950 | _x000D_0.5886 | _x000D_6.4± 1.3 | _x000D_
1/2 | _x000D_– 8 | _x000D_14 | _x000D_1.814 | _x000D_0.0714 | _x000D_20.955 | _x000D_0.825 | _x000D_18.633 | _x000D_0.7336 | _x000D_8.2± 1.8 | _x000D_
3/4 | _x000D_– 12 | _x000D_14 | _x000D_1.814 | _x000D_0.0714 | _x000D_26.441 | _x000D_1.041 | _x000D_24.120 | _x000D_0.9496 | _x000D_9.5± 1.8 | _x000D_
1 | _x000D_– 16 | _x000D_11 | _x000D_2.309 | _x000D_0.0909 | _x000D_33.249 | _x000D_1.309 | _x000D_30.292 | _x000D_1.1926 | _x000D_10.4± 2.3 | _x000D_
Cat No. | _x000D_F1 | _x000D_F2 | _x000D_A | _x000D_Opening _x000D_ Ø | _x000D_
Operating _x000D_ Pressure | _x000D_
COM4050-2M | _x000D_1â„2 inch BSP | _x000D_1â„2 inch BSP | _x000D_1â„8 in BSP | _x000D_11 mm | _x000D_16 Bar | _x000D_
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