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Specifications & Stuff
Standards to live by
Below are some of the specifications and standards that are used in our products. Click for more details.
SAE J514C 4-Bolt Flange SpecificationMale O-Ring Boss (ORB) SpecificationFemale O-Ring Boss (ORB) SpecificationNational Pipe Thread SpecificationJoint Industry Council (JIC) SpecificationBritish Standard Pipe Parallel (BSPP) SpecificationA.S.A. Pipe Schedules
National Pipe Thread Specification
| Nominal Pipe Size | TPI | OD | S | L | Wall** Sch.40 | Wall** Sch.80 | Wall** Sch.160 | Wall** XXS |
|---|---|---|---|---|---|---|---|---|
| 1/8 | 27 | .405 | 11/32 | 3/16 | .068 | 0.95 | —– | —– |
| 1/4 | 18 | .540 | 7.16 | 9/32 | 0.88 | .119 | —– | —– |
| 3/8 | 18 | .675 | 37/64 | 19/64 | 0.91 | .126 | —– | —– |
| 1/2 | 14 | .840 | 23.32 | 3/8 | .109 | .147 | .187 | .294 |
| 3/4 | 14 | 1.050 | 59.64 | 13/32 | .113 | .154 | .218 | .308 |
| 1.00 | 11.50 | 1.315 | 1-5/32 | 1/2 | .133 | .179 | .250 | .358 |
| 1.25 | 11.50 | 1.660 | 1-1/2 | 35/64 | .140 | .191 | .250 | .382 |
| 1.50 | 11.50 | 1.900 | 1-47/64 | 9/16 | .145 | .200 | .281 | .400 |
| 2.00 | 11.50 | 2.375 | 2-7/32 | 37/64 | .154 | .218 | .343 | .436 |
| 2.50 | 8 | 2.875 | 2-5/8 | 7/8 | .203 | .276 | .375 | .552 |
| 3.00 | 8 | 3.50 | 3-1/4 | 15/16 | .216 | .300 | .437 | .600 |
| 3.50 | 8 | 4.00 | 3-3/4 | 1 | .226 | .318 | —– | —– |
| 4.00 | 8 | 4.50 | 4-1/4 | 1-1/16 | .237 | .337 | .531 | .674 |
**Pipe size may be designated by giving a nominal pipe size and wall thickness or schedule. See A.S.A. Pipe Schedules specification for schedules and physical dimensions.