Chứng chỉ LPCB
Ống mềm nối đầu phun sprinkler đạt chứng chỉ LPCB với áp lực hoạt động 16bar
- So sánh phương pháp nối đầu phun sprinkler bằng ống mềm và phương pháp truyền thống
- Ống dẻo Inox nối đầu phun chữa cháy
- Ống dẻo inox nối đầu phun sprinkler
- Ong mem noi dau phun sprinkler – hãng daejin
- ống mềm Daejin
- Hướng dẫn lắp đặt ống mềm Daejin
- Áp lực hoạt động tối đa của ống mềm nối đầu phun sprinkler
- Các bộ phận của ống mềm nối đầu phun sprinkler
- Cách lắp ống mềm nối đầu phun với đầu phun Sprinkler 3/4” hay D20
SPECIFICATIONS:
Lengths Available |
700mm, 1000mm,1200mm, 1500mm, 1800mm |
Hose |
Stainless Steel 304 |
||
Outlet |
1/2” or 3/4” |
Nut & Nipple |
Zinc-Plated Steel |
||
Hose Type |
Unbraided |
Sealing Gasket / Isolation Ring |
EPDM / NYLON |
||
Max. Ambient Temperature Rating |
225F |
Minimum Bend Raius | |||
Max. Working Pressure Rating |
16 BAR( LPCB ) |
Connection |
Inlet |
1”NPT or BSP |
|
* Required torque to assemble reducer and nipple with the flexible hose : 300 kgf.cm |
Outlet |
1/2” or 3/4”NPT or BSP |
FRICTION LOSS DATA
Table 1 | ||||
Summary of pressure loss & equivalent length for 700 mm flexible hose with one 90° bend and terminated in a Y” outlet reducer | ||||
Flow rate (l/min) |
Pressure upstream(bar) |
Pressure downstream(bar) |
Corrected pressure loss (bar) |
Eqivalent Length |
40 |
0.31 |
0.2 |
0.005 |
0.4 |
60 |
0.75 |
0.49 |
0.077 |
3 |
80 |
1.43 |
0.93 |
0.199 |
4.56 |
100 |
2.22 |
1.44 |
0.321 |
4.89 |
120 |
3.22 |
2.08 |
0.483 |
5.23 |
150 |
5.01 |
3.23 |
0.751 |
5.38 |
Average equivalent length – 3.90 | ||||
Table 2 | ||||
Summary of pressure loss & equivalent length for 1000 mm flexible hose with two 90° bends and terminated in a straight V” outlet reducer | ||||
Flow rate (l/min) |
Pressure upstream(bar) |
Pressure downstream(bar) |
Corrected pressure loss (bar) |
Eqivalent Length |
40 |
0.34 |
0.2 |
0.035 |
2.88 |
60 |
0.93 |
0.52 |
0.227 |
8.86 |
80 |
1.66 |
0.92 |
0.439 |
10.06 |
100 |
2.62 |
1.43 |
0.731 |
11.09 |
120 |
3.79 |
2.05 |
1.083 |
11.73 |
150 |
6.05 |
3.24 |
1.781 |
12.76 |
Average equivalent length – 9.56 | ||||
Table 3 | ||||
Summary of pressure loss & equivalent length for 1200 mm flexible hose with two 90° bends and terminated in a straight V` outlet reducer | ||||
Flow rate (l/min) |
Pressure upstream(bar) |
Pressure downstream(bar) |
Corrected pressure loss (bar) |
Eqivalent Length |
40 |
0.36 |
0.2 |
0.055 |
4.53 |
60 |
0.97 |
0.52 |
0.267 |
10.42 |
80 |
1.73 |
0.92 |
0.509 |
11.67 |
100 |
2.75 |
1.43 |
0.861 |
13.06 |
120 |
4.02 |
2.07 |
1.293 |
14 |
150 |
6.32 |
3.21 |
2.081 |
14.91 |
Average equivalent length – 11.43 | ||||
Table 4 | ||||
Summary of pressure loss & equivalent length for 1500 mm flexible hose with two 90° bends and terminated in a straight V` outlet reducer | ||||
Flow rate (l/min) |
Pressure upstream(bar) |
Pressure downstream(bar) |
Corrected pressure loss (bar) |
Eqivalent Length |
40 |
0.37 |
0.2 |
0.065 |
5.36 |
60 |
0.98 |
0.52 |
0.277 |
10.81 |
80 |
1.76 |
0.93 |
0.529 |
12.13 |
100 |
2.77 |
1.43 |
0.881 |
13.37 |
120 |
4.03 |
2.08 |
1.313 |
14.22 |
150 |
6.35 |
3.22 |
2.101 |
15.06 |
Average equivalent length – 11.82 | ||||
Table 5 | ||||
Summary of pressure loss & equivalent length for 1800 mm flexible hose with three 90° bends and terminated in a straight V` outlet reducer | ||||
Flow rate (l/min) |
Pressure upstream(bar) |
Pressure downstream(bar) |
Corrected pressure loss (bar) |
Eqivalent Length |
40 |
0.4 |
0.19 |
0.105 |
8.66 |
60 |
1.05 |
0.51 |
0.357 |
13.93 |
80 |
1.93 |
0.92 |
0.709 |
16.25 |
100 |
3.05 |
1.44 |
1.151 |
17.46 |
120 |
4.38 |
2.05 |
1.673 |
18.12 |
150 |
7.04 |
3.25 |
2.761 |
19.79 |
Average equivalent length – 15.70 |