
Bevel-prepared Branch Outlet Fitting
BT-PT
- Product name
- BT Outlet · Female Thread
- Category
- BT Series (Bevel-prepared Branch Outlet Fitting)
- Connection
- Female Threaded (P.T)
- Material
- CARBON STEEL PIPE S/80
- Applicable standard
- KFIS 020 — Pipe fittings for fire-protection systems
Download KFI certificates
※ Click an approval number to download that certificate as a PDF.
SPECIFICATION
Standard specification
| Nominal size (A) | Nominal size (inch) | Overall length L (mm) | Overall length (inch) | Outside diameter D1 (mm) | Outside diameter (inch) |
|---|---|---|---|---|---|
| 25 | 1" | 30.7 | 1.21" | 39.5 | 1.56" |
| 32 | 1-1/4" | 36.7 | 1.44" | 48.3 | 1.90" |
| 40 | 1-1/2" | 40.7 | 1.60" | 54 | 2.13" |
| 50 | 2" | 46.7 | 1.84" | 67 | 2.64" |
| 65 | 2-1/2" | 46.7 | 1.84" | 82 | 3.23" |
※ Items outside the sizes listed above are made to order as non-approved products. These sizes may change in part as our techniques and quality improve.
SIZE
Available sizes
BT-PT-CSG-25ABT-PT-CSG-32ABT-PT-CSG-40ABT-PT-CSG-50ABT-PT-CSG-65A
PERFORMANCE
Performance test results
| Test | Criterion | Result |
|---|---|---|
| Hydrostatic pressure test | No cracking, permanent deformation or damage shall occur under 1.5 times the maximum working pressure. | 3.0 MPa |
| Body strength test | No cracking, permanent deformation or damage shall occur under 5 times the maximum working pressure (1.4 MPa or more). | 10 MPa |
※ To KFIS 020, pipe fittings for fire-protection systems. Results of the Korea Fire Institute (KFI) approval testing.
SAME SERIES
More in BT Series

BT-SPPT
BT Outlet · Male Thread
Male Threaded (SPPT)
5 sizes1 KFI approval

BT-SPPF
BT Outlet · Pendent
Pendent Type (SPPF)
1 size1 KFI approval

BT-RNW
BT Reducing Nipple · Head Fitting
Integrated reducing nipple (RNW · PT-15A)
12 sizes2 KFI approvals

BT-BW
BT Outlet · Butt Weld
Butt Weld (B.W)
30 sizes1 KFI approval

BT-GR
BT Outlet · Grooved
Grooved
30 sizes1 KFI approval