2-150-THREADED-RF-FLANGE
Technical Specifications
2-150-THREADED-RF FLANGE flange drawing featuring professional technical specifications. This comprehensive drawing package includes Size 2, Class 150, RF Face type, THREADED configuration with Schedule - piping per B16.5 specification standards.
Technical specifications for: 2-150-THREADED-RF FLANGE
| Part Identification | Size | Class | Face | Type | Schedule | Specification |
|---|---|---|---|---|---|---|
| 2-150-THREADED-RF | 2 | 150 | RF | THREADED | — | B16.5 |
Dimensions
2" Class 150 RF Threaded Flange
Sheet ID TF-B165-THD-RF-150-02 · Printable PDF
| Dimension | Value | Tolerance |
|---|---|---|
| Outside diameter | 6.00 | — |
| Thickness at OD, tf, excl. RF | 0.69 | +0.12/−0.00 |
| Length thru hub, excl. RF | 0.94 | — |
| Overall length incl. RF | 1.00 | — |
| Raised face diameter | 3.62 | ±0.04 |
| Raised face height | 0.06 | — |
| Hub diameter at back | 3.06 | — |
| Thread, taper pipe (NPT) | NPS 2 | — |
| Thread length, min. | 1.00 | — |
| Bolt circle diameter | 4.75 | ±0.06 |
| Number of bolt holes | 4 | — |
| Bolt hole diameter | 0.75 (3/4) | — |
| Bolt diameter | 5/8 | — |
| Stud bolt length | 3.25 calc. | — |
- Thickness tf: at the OD to the flange edge plane, excl. the 0.06" (1/16") RF (B16.5 paras. 6.4.2.1, 6.4.2.2, Fig. 6); para. 7.4 tolerance. Length thru hub also excludes the RF.
- Hub may be straight or tapered (taper ≤ 7°).
- Taper pipe thread per ASME B1.20.1 (para. 6.9); dashed lines show thread length (schematic). Class 150: no counterbore (para. 6.9.2).
- Section A-A: bolt holes rotated into cutting plane.
- Stud bolts: 4 × 5/8" × 3.25" long calc., B16.5 Table 7C, raised face column. Length excludes points (para. 6.10.2).
- Tolerances per B16.5 section 7 (paras. 7.3–7.8); “—” = none listed. Adjacent bolt holes ±0.03; bolt circle to facing conc. 0.03; face perp. to bore 1°.
Dimensions per ASME B16.5 (current edition). Checked by Texas Flange against our catalog by script, with two independent AI reviews and an in-house spot check. Methods: https://texasflange.com/spec-sheet-methods/
Related sizes and classes
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About This Technical Drawing
File Formats Included
This comprehensive technical drawing package includes multiple industry-standard formats to ensure compatibility with your preferred CAD software. From 2D technical drawings to 3D solid models, each format is professionally prepared and quality-checked for dimensional accuracy.
Technical Standards
All drawings conform to ASME B16.5 and ASME B16.47 standards where applicable. Dimensions are provided in both imperial and metric units for international compatibility. Our technical drawings meet or exceed industry requirements for precision manufacturing.
Quality Assurance
Each technical drawing undergoes rigorous quality control processes to ensure dimensional accuracy and completeness. Files are regularly updated to reflect the latest industry standards and manufacturing best practices.

