PriceList for China Hand-Made Spool Type Flanged Rubber Flexible Expansion Bellows

Short Description:

The spool type rubber joint is molded type, with a metal collar reinforced at the neck of the body. The ST stype uses a light reaining ring to support the integral flange. STF is filled arch, with 50% of the ST allowed movements, but it has 4 times spring rates than hollow arch.


Product Detail

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We can easily usually fulfill our respected customers with our very good top quality, very good price tag and excellent support due to we have been more expert and much more hard-working and do it in cost-effective way for China Expansion Bellows, Rubber Bellows, After years’ creating and developing, with the advantages of trained qualified talents and rich marketing experience, outstanding achievements were gradually made. We get good reputation from the customers due to our good goods quality and fine after-sale service. We sincerely wish to create a more prosperous and flourishing future together with all the friends home and abroad!

Details

The spool type rubber joint is molded type, with a metal collar reinforced at the neck of the body. The ST stype uses a light reaining ring to support the integral flange. STF is filled arch, with 50% of the ST allowed movements, but it has 4 times spring rates than hollow arch.

Specifications I II III
Working Pressure Mpa (Kgf/Cm2) 1Mpa (10) 1.6 (16) 2.5 (25)
Test Pressure 1.5Mpa 2.4Mpa 3.75Mpa
Burst Pressure Mpa (Kgf/Cm2) 3 (30) 4.8 (48) 5.5 (55)
Vacuum Kpa (Kgf/Cm2) 53 (400) 86(660) 100 (750)
Materials EPDM/NBR/SBR/NR 
Diameter Range DN15-DN600 (1/2″-24″)
Connection Method FLANGETHREADCLAMP 
Flanges Dimensions DIN, EN,ANSI, BS, JIS and other standards 
Applicable Medium Air, compressed air, water, seawater, hot water, oil, acid, alkali etc.
Loading Port: Qingdao, China 
Shipment Terms: FOB, CFR, CIF
Production Capacity: 50000 set
Payment Terms: L/C, T/T, D/P
Connection: Flange, Thread
Flange Material: Carbon Steel, Stainless Steel
Period of Delivery about 21 working days

SPOOL TYPE (ST) -American Standard ST

Dimensions

Movement Distance

Operating Condition

Pipe Size

O’all Length

Flange OD

Retaining Ring Thickness

Axial Compression

Axial Extension

Lateral Deflection

Angular Deflection

Max w.p. (psi)-3,-4

Max Vacuum (in. of Hg)-5

Inch

mm

Inch

Inch

Inch

Inch

Inch

Inch

     

2″

50

6″

6″

3/8″

7/16″

1/4″

±1/2″

19°

150

26

2 1/2″

65

6″

7″

3/8″

7/16″

1/4″

±1/2″

15°

150

26

3″

80

6″

7 1/2″

3/8″

7/16″

1/4″

±1/2″

13°

150

26

4″

100

6″

9″

3/8″

7/16″

1/4″

±1/2″

10°

150

26

5″

125

6″

10″

3/8″

7/16″

1/4″

±1/2″

150

26

6″

150

6″

11″

3/8″

7/16″

1/4″

±1/2″

150

26

8″

200

6″

13 1/2″

3/8″

11/16″

3/8″

±1/2″

150

26

10″

250

8″

16″

3/8″

11/16″

3/8″

±1/2″

150

26

12″

300

8″

19″

3/8″

11/16″

3/8″

±1/2″

150

26

14″

350

8″

21″

3/8″

11/16″

3/8″

±1/2″

150

15

16″

400

8″

23 1/2″

3/8″

11/16″

3/8″

±1/2″

150

15

18″

450

8″

25″

3/8″

11/16″

3/8″

±1/2″

150

15

20″

500

8″

27 1/2″

3/8″

13/16″

7/16″

±1/2″

150

15

24″

600

10″

32″

3/8″

13/16″

7/16″

±1/2″

150

15

SPOOL TYPE: FILLED ARCH (STF) -American Standard STF

Dimensions

Movement Distance

Operating Condition

Pipe Size

O’all Length

Flange OD

Retaining Ring Thickness

Axial Compression

Axial Extension

Lateral Deflection

Angular Deflection

Max w.p. (psi)-3,-4

Max Vacuum (in. of Hg)-5

Inch

mm

Inch

Inch

Inch

Inch

Inch

Inch

     

2″

50

6″

6″

3/8″

7/32″

1/8″

±1/4″

9.5°

150

26

2 1/2″

65

6″

7″

3/8″

7/32″

1/8″

±1/4″

7.5°

150

26

3″

80

6″

7 1/2″

3/8″

7/32″

1/8″

±1/4″

6.5°

150

26

4″

100

6″

9″

3/8″

7/32″

1/8″

±1/4″

150

26

5″

125

6″

10″

3/8″

7/32″

1/8″

±1/4″

150

26

6″

150

6″

11″

3/8″

7/32″

1/8″

±1/4″

150

26

8″

200

6″

13 1/2″

3/8″

11/32″

3/16″

±1/4″

150

26

10″

250

8″

16″

3/8″

11/32″

3/16″

±1/4″

2.5°

150

26

12″

300

8″

19″

3/8″

11/32″

3/16″

±1/4″

2.5°

150

26

14″

350

8″

21″

3/8″

11/32″

3/16″

±1/4″

150

15

16″

400

8″

23 1/2″

3/8″

11/32″

3/16″

±1/4″

150

15

18″

450

8″

25″

3/8″

11/32″

3/16″

±1/4″

1.5°

150

15

20″

500

8″

27 1/2″

3/8″

13/32″

7/32″

±1/4″

1.5°

150

15

24″

600

10″

32″

3/8″

13/32″

7/32″

±1/4″

1.5°

150

15


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