KST-L SS Union EPDM Rubber Expansion Joint
- [Name]: Thread rubber expansion bellows joint
- [PN]: 0.6-2.5mpa
- [Medium]: Air, water, seawater, oil, slurry, weak acid, alkali, etc.
- [Material]: NR, NBR, CR, EPDM, PTFE etc.
- [Certification]: ISO9001:2008
- [Products]:Rubber Bellows Joints, Rubber expansion bellows, Thread Rubber Bellows
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Working pressure Mpa (kgf/cm2) |
1.0 (10) |
Angular deflection |
45° |
Explosion pressure Mpa (kgf/cm2) |
3.0 (30) |
Vacuum Kpa (mm/Hg) |
53.3 (400) |
Applicable Temperature |
-15℃-115℃(-30℃-250℃ under special conditions) |
||
Applicable media |
water, sea water, hot water, air, compressed air, oil, acid, alkali and so on |
Technical parameters of rubber bellows joints
No. | Part | Material |
1 | Body | NR, CR, IIR, NBR, FKM, EPDM |
2 | Inner & Outer Rubber | NR CR IIR NR FKM EPDM PTFE |
3 | Body Carcass | Nylon cord fabric |
4 | Reinforcing Ring | Multi-strand coppering steel wire |
5 | threaded union rubber joint | Cast and forged carbon steel(Q235), Stainless steel(201, 304, 316, 321), Plastic(CPVC, PVDF, PPH, UPVC, RPP) |
Technical parameters
Item |Medol | KST-L-10 | KST-L-16 | If media is oil, acid or alkali, please inform us special requirements for working temperature and OEM orders with drawings or samples when ordering. |
|
MpaWoring pressure | 1.0(10) | 1.6(16) | ||
Mpa Burst Pressure | 2.0(20) | 3.0(30)) | ||
Kpa Vacuum | 53.3(400) | 86.7(650) | ||
Applicable Temperature | -20℃~+115℃(-30℃~+250℃ under special conditions) | |||
Applicable Medium | Air, compressed air, water, sea water, oil, acid, alkali, etc. | |||
Note: the materials of main parts are the same with those of KXT type |
Main date
Nominal Diameter (mm) |
LengthLmm | Axial displacement mm | Haorizontal isplacement mm | Angular deflection(a1+a2)° | |||
mm |
inch |
A型 | B型 | Extension | Compression | ||
15 | 0.5 | 180 | 200 | 5 | 10 | 20 | 45 |
20 | 0.75 | 200 | 200 | 5 | 10 | 20 | 45 |
25 | 1 | 210 | 200 | 5 | 10 | 20 | 45 |
32 | 1.25 | 210 | 200 | 5 | 10 | 20 | 45 |
40 | 1.5 | 220 | 200 | 5 | 10 | 20 | 45 |
50 | 2 | 220 | 220 | 5 | 10 | 20 | 45 |
65 | 2.5 | 240 | 240 | 5 | 10 | 20 | 45 |
80 | 3 | 285 | 285 | 5 | 10 | 20 | 45 |
Notes:1. For OEM orders with special requirement, threaded rubber expansion bellows should be made according to customers' drawings. Thread standard can be ISO, ASME, BS, JIS, etc. Material of rubber body can be NR natural rubber, EPDM, Neoprene, IIR butyl rubber, NBR Buna-N, FKM, etc. |
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For more accurate quotation pls send us more details about the products you need:
1. What's the DN and PN?
2. What's the material?
3. What's the connection(flange or thread)?
4. What's the standard(ANSI, DIN, BS, JIS)?
5. What's the medium working with?

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