Hot sale 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

We’ve got a really efficient group to deal with inquiries from prospects. Our purpose is “100% customer fulfillment by our product excellent, price & our group service” and enjoy a superb track record amid clientele. With many factories, we can easily deliver a wide selection of Hot sale China Hand-Made Spool Type Flanged Rubber Flexible Expansion Bellows, Together with our efforts, our goods have won the trust of buyers and been very salable equally here and abroad.
We’ve got a really efficient group to deal with inquiries from prospects. Our purpose is “100% customer fulfillment by our product excellent, price & our group service” and enjoy a superb track record amid clientele. With many factories, we can easily deliver a wide selection of China Expansion Bellows, Rubber Bellows, As an experienced group we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of our company is to build up a satisfactory memory to all customers, and establish a long term win-win business relationship. Choose us, we always wait for your appearance!

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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