Chứng chỉ LPCB cho Ống mềm nối đầu phun Sprinkler

Chứng chỉ LPCB 

Ống mềm nối đầu phun sprinkler đạt chứng chỉ LPCB với áp lực hoạt động 16bar

 

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