DN25-DN3000 100mm 150mm 200mm Rubber Expansion Joint Concentric Equal Nominal Diameter Range
DN25-DN3000 Concentric Rubber Expansion Joint with Equal Nominal
Diameter Range Options
Good Elasticity Vibration And Noise Reduction Ss304 Flange Connection Flexible Joint Single
Sphere Rubber Expansion Bellows
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1.24 hours online service-- anytime, anywhere can provide what you want.
2.100% quality inspection before shippment.
3.Strong production capability and strict quality control.
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Product Description
Rubber expansion joints consist of inner and outer rubber, cord layer and steel wire strand, which are vulcanized and then
combined with metal flanges or loose sleeves of parallel joints. It is widely used in various pipeline systems.
| No | Name | Material |
| 1 | Outer/inner rubber | NR, EPDM, NBR, Neoprene etc. |
| 2 | Frame | Nylon cord fabric |
| 3 | Pressurized ring | Steel wire strand |
| 4 | Flange | Carbon steel galvanized, paint ductile iron, stainless steel etc. |
| Operation condition | |
| Working temperature | -15℃~80℃(-30℃~150℃) |
| Working pressure | 6-40bars(PN6-PN40) |
| Test pressure | 1.5 times of working pressure |
| Explosion pressure | 2 times of working pressure |
| Applicable media | Air, water, sewage, sea water, acid, alkali, oil etc. |
| Main connection dimension | |||||||
| Nominal diameter | Length | Axial displacement | Horizontal movement | Deflection angle | Special length | ||
| mm | inch | Compression | Extension | ||||
| 32 | 1 1/4 | 95 | 9 | 6 | 9 | 15° | 130/150/200 |
| 40 | 1 1/2 | 95 | 10 | 6 | 9 | 15° | 130/150/200 |
| 50 | 2 | 105 | 10 | 7 | 10 | 15° | 130/150/200 |
| 65 | 2 1/2 | 115 | 13 | 7 | 11 | 15° | 130/150/200 |
| 80 | 3 | 135 | 15 | 8 | 12 | 15° | 130/150/200 |
| 100 | 4 | 150 | 19 | 10 | 13 | 15° | 130/200 |
| 125 | 5 | 165 | 19 | 12 | 13 | 15° | 130/150/200 |
| 150 | 6 | 180 | 20 | 12 | 14 | 15° | 130/150/200 |
| 200 | 8 | 210 | 25 | 16 | 22 | 15° | 130/150/200 |
| 250 | 10 | 230 | 25 | 16 | 22 | 15° | 130/150/200 |
| 300 | 12 | 245 | 25 | 16 | 22 | 15° | 130/150/200 |
| 350 | 14 | 255 | 25 | 16 | 22 | 15° | 130/150/200 |
| 400 | 16 | 255 | 25 | 16 | 22 | 15° | 130/150/200 |
| 450 | 18 | 255 | 25 | 16 | 22 | 15° | 200 |
| 500 | 20 | 255 | 25 | 16 | 22 | 15° | 200 |
| 600 | 24 | 260 | 25 | 16 | 22 | 15° | 300 |
( Note: Size range from DN25-3000 are all available, special size and length can also be customizedplease contact us
for exact data.
The rubber expansion joints allow for four way movements, and they are molded from synthetic rubber and nylon cord,
and this can reduce vibration and noise, and compensate thermal expansion and contraction caused by temperature change.
Production
ZHICHENG has a strict quality control system, the standard production process, standardized factory testing means to
ensure that every product to meet the customer requirements, and provide customers with high-quality products.
Packaging & Shipping
| Packaging | 1.Inner package: plastic film with carton cases. |
Product installation
When the customer installs, we will provide installation instructions, installation notes and maintenance instructions. and this is the installation picture of the DN1800 rubber expansion joint.
Company Information
Pls click here to contact us for more details about the products.
we will try our best to provide you with quality service and products.
Q: Are you a trading company or a manufacturer?
A: We are manufacturers of rubber expansion joints, metal expansion joints, flexible hoses, dismantling joints,
trimmer joints, flange adapters and flanges with over 30 years experience.
Q: Do you have a catalogue?
A: Yes, we do. Please let me know your email or instant messenger and we will send you our catalogue.
Q: Can you provide drawings and technical information?
A: Yes, our specialist technical department will design and supply drawings and technical data.
Q: Do you provide samples? Are they free of charge or do you charge for them?
A: Yes, we can provide samples free of charge, but transport costs are borne by the customer.
Q: Can the products be manufactured to the customer's requirements?
A: Yes, the above specifications are standard specifications and we can design and manufacture as required.
Contact us for more details about price and packing, shipping and discount now!
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.