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Galvanized spiral gas drainage tube
 

Overview:
Galvanized spiral gas drainage tube is my company adopts the international advanced production equipment, the two-sided galvanized steel is made by mechanical spiral seams, it contains no welding, there are two kinds of welding seams, spiral type. The product is smooth wall, low resistance, light weight, corrosion resistance, long life, low cost, mine gas drainage is the ideal replacement product.
There welded galvanized spiral gas drainage tube with steel flanges, pipe flange connection with the use of automatic welding technology.
This technology, compared with the riveting, caulking avoid secondary damage caused by the tube, a more excellent airtightness.
For technical reasons riveting, riveting points uneven distribution of force during the installation process is too large, easily lead to crack the wall against this point, I plant with the world, with the overall welding, riveting presence effectively avoided issue.

Uses :
This product can be widely used in mine ventilation , mine gas drainage , bridge building , building structure , exhaust fumes , sewage , and basic installation industry .
Advantages :
( A ) mine galvanized spiral gas drainage tube with traditional fiberglass gas drainage pipe , steel gas drainage tube , compared with the following advantages :
1 . Pipes , light weight, easy handling installation ;
2 . The material with high-quality double-sided galvanized steel, without regard to the problem retardant and antistatic .
3 . Wide range diameter , 80mm to 1600mm;
4 . Spiral seams ribs from the role of anti- suction pipe strength ;
5 . Pipe wall is smooth , small resistance , good adhesion circulation ;
6 . Zinc coating from the antiseptic effect , long life ;
7 . Using steel flange connection, you can achieve rapid assembly and disassembly , has good interchangeability ;
( Two ) air conditioner galvanized spiral pipe advantages:
1. Product support is good, high degree of standardization : straight tube spiral pipe machine speed seams made ​​according to the standard production with a variety of related fittings ;
2 . Confined strong: continuous seams, mechanical tube , high temperature resistant continuous unit using two continuous rubber seal plug-in , reducing the amount of air leakage ;
3 . Ventilation loss : Spiral duct ventilation resistance relative to the rectangular duct cross-section equal to the resistance is much smaller ;
4. Engineering Test Convenience: general aerodynamic performance testing standard mostly used for the detection of tube ;
5 . Anti- balanced external pressure ( negative pressure ) higher strength than ordinary round duct and rectangular duct ;
6 . Material Province : As the spiral duct , high strength, so according to national norms ventilation materials can be used for more than ordinary round duct to fall 10-15%.
7. Low installation costs : Spiral duct and matching accessories are used factory standard production, mostly 4-6 m straight pipe / support , installation efficiency is greatly improved , while also reducing installation costs hanger making a few ;
8. Install the overall layout and beautiful : the abolition of the flange , the more obvious integrity , making the entire piping system layout and beautiful ;
9 . Routine maintenance Easy to clean: Due to the internal wall is very smooth, so cleaning is very easy , there is no health corners .

Specification Data Sheet:


Table 1: Table spiral withstand the maximum pressure

0.5

0.6

0.8

1.0

1.25

1.5

150

1150

1370

1830

2280

3400

4500

200

860

1030

1370

1710

2560

3400

250

690

830

1100

1370

2050

2560

300

580

690

920

1150

1710

2280

350

490

580

780

970

1450

1930

400

430

520

690

860

1290

1710

450

380

460

610

770

1150

1530

500

350

410

550

690

1030

1370

550

310

370

490

620

920

1230

600

290

350

460

580

860

1150

650

270

330

440

550

820

1090

700

240

290

390

490

730

970

800

220

260

350

430

650

860

900

190

230

310

380

580

770

1000

170

210

280

350

520

690

1150

150

190

250

310

460

620

1250

140

170

220

280

410

550

1500

120

140

180

230

350

460

1600

110

130

170

220

320

430

Note: The data in the table that can withstand the maximum pressure spiral without expansion or rupture, in actual use should be less than the maximum pressure, and any abnormal factor of concern. (Data in the table are for reference only)


Table 2: Spiral withstand the maximum vacuum table

0.5

0.6

0.8

1.0

1.25

1.5

150

56.0

 

 

 

 

 

200

17.6

80.8

 

 

 

 

250

8.8

28.1

175.7

 

 

 

300

5.6

14.0

63.3

281.2

 

 

350

3.9

9.8

28.1

116.0

703.0

 

400

2.8

7.0

26.7

60.0

351.5

1335.7

500

2.0

4.2

9.8

25.3

84.4

316.4

550

1.8

3.6

7.7

18.3

56.2

175.8

600

1.4

3.0

6.3

14.1

39.4

98.4

650

1.3

2.5

5.3

11.2

28.1

73.8

700

1.2

2.2

4.6

9.1

22.5

61.9

750

1.1

2.1

3.9

7.7

17.6

42.2

800

 

1.7

3.5

6.7

14.8

32.7

850

 

 

 

5.6

12.3

26.4

900

 

1.4

2.8

5.2

10.9

21.8

950

 

 

 

4.5

9.5

18.3

1000

 

1.1

2.5

4.2

8.4

15.8

1050

 

 

 

3.9

7.4

13.7

1100

 

 

 

3.5

6.7

12.0

1150

 

 

 

3.2

6.0

10.5

1200

 

 

 

3.0

5.6

9.5

1250

 

 

 

2.8

4.9

8.8

1500

 

 

 

 

3.8

6.3

Note: The data in the table represent the maximum negative spiral can withstand without collapse or concave flat, in actual use, should be less than the maximum pressure, and keep up abnormal factors. Negative pressure is very sensitive, if the material tube with blocking race, so that the pressure becomes flat spiral only a small portion of the normal pressure. (Data in the table are for reference only)

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