Technical information
- 2011-08-13 21:31:21
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here is a link to the NPT, BSP, GHT specification tables as below.
Solenoid Valve Port Options
Pipe Thread Acronyms NPT American Standard Pipe Taper Thread (aka National Pipe Thread) FPT American Standard Female Pipe Taper Thread NPSC American Standard Straight Coupling Pipe Thread BSP British Standard Pipe (can mean either BSPP or BSPT) BSPP Brittish Standard Pipe Parallel BSPT Brittish Standard Pipe Tapered GHT Garden Hose Thread (US Standard) G Thread British Gas - Parallel (same as BSPP) R Thread British Tapered (same as BSPT) NPT - National Pipe Thread (US Standard)
Nominal Pipe Size
(inches)Threads per Inch
(TPI)Outside Diameter (inches)
1/8"
27
0.405"
1/4"
18
0.540"
3/8"
18
0.675"
1/2"
14
0.840"
3/4"
14
1.050"
1"
11-1/2
1.315"
1-1/4"
11-1/2
1.660"
1-1/2"
11-1/2
1.900"
2"
11-1/2
2.375"
2-1/2"
8
2.875"
BSP - British Straight and Tapered
Nominal Pipe Size
(inches)Threads per Inch
(TPI)Outside Diameter (inches)
1/8"
28
0.402"
1/4"
19
0.531"
3/8"
19
0.677"
1/2"
14
0.839"
3/4"
14
1.059"
1"
11
1.327"
1-1/4"
11
1.669"
1-1/2"
11
1.902"
2"
11
2.374"
2-1/2"
11
2.996"
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