| Customization: | Available |
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| After-sales Service: | Installation Guide |
| Warranty: | 2 Years After Leaving The Factory |
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Description of pot bridge bearing:
Components of pot bridge bearing:
Steel top plates - capable to accommodate longitudinal or transverse sliding movements of the superstructure.Stainless steel panels & PTFE - reduce the friction resistance as well as horizontal force.Steel piston & internal brass sealing ring - protect the elastomer pad from extrusion.Elastomeric pad - behaves like a fluid under high pressure and allows higher working pressure with reduced dimensions.As your request, external rings can be supplied to make sure that the gap between piston and steel pot is free of moisture and debris.There is an elastomeric pad in the pot of the pot bearing, it has fluid properties when it in the state of three-phase stressed, making use of this feature can achieve large rotation of the bearing. In addition, when a relative motion occurs between the PTFE plate which placed on the piston and the stainless steel plate, horizontal displacement can be achieved. Pot bearing can meet the requirements of large end reaction, large horizontal displacement and large rotation, it is suitable for the bridge with large span and large end reaction.
| End Reaction/Type | Maximum Displacementthe longitudinal direction of bridge (mm) | Maximum Displacementthe transverse direction of bridge (mm) | ||||
| GD | SX | DX | GD | SX | DX | |
| 1000-3000 kN | 0 | ±50, ±100 | ±50, ±100 | 0 | ±5, ±10 | 0 |
| 3500-9000 kN | 0 | ±100, ±150 | ±100, ±150 | 0 | ±10, ±15 | 0 |
| 10000-30000 kN | 0 | ±150, ±200 | ±150, ±200 | 0 | ±15, ±20 | 0 |
| 32500-50000 kN | 0 | ±200, ±250 | ±200, ±250 | 0 | ±20, ±25 | 0 |
Physical Properties of Rubber Materials of Bearing
| Item/Rubber Type | Neoprene | Natural Rubber | EPDM | |
| Hardness (shore A) | 60 ± 5 | 60 ± 5 | 60 ± 5 | |
| Tensile Strength | ≥17.0 | ≥17.5 | ≥15.2 | |
| Elongation at Break | ≥400% | ≥400% | ≥350% | |
| Brittleness Temperature | ≤-40 °C | ≤-50 °C | ≤-60 °C | |
| Constant EN Compression Set(70 °C, 22 h) | ≤20% | ≤25% | ≤25% | |
| Resistance of Ozone Aging(Test Condition: 25-50 pphm, 20% Elongation, 40 °C, 96 h) | no cracking | no cracking | no cracking | |
| Air Oven Aging Test | Test Condition(°C × h) | 100 × 70 | 70 × 168 | 100 × 70 |
| Reduction Rate of Tensile Strength | <15% | <15% | <15% | |
| Reduction Rate of Elongation at Break | <40% | <20% | <40% | |
| Change of Hardness | <+15 | <+10 | <+10 | |
| Specification/Type | Maximum Displacement the longitudinal direction of bridge (mm) | Maximum Displacement the transverse direction of bridge (mm) | ||||
| GD | SX | DX | GD | SX | DX | |
| 0.8-3 | 0 | ±50, ±100, ±150 | ±50, ±100, ±150 | 0 | ±40 | ±3 |
| 3.5-9 | 0 | ±100, ±150, ±200 | ±100, ±150, ±200 | 0 | ±40 | ±3 |
| 10-30 | 0 | ±150, ±200, ±250 | ±150, ±200, ±250 | 0 | ±40 | ±3 |
| 32.5-60 | 0 | ±200, ±250, ±300 | ±200, ±250, ±300 | 0 | ±50 | ±3 |
Hengshui Jingtong Rubber Co., Ltd., located in Hebei Province's Hengshui City, is a professional manufacturer of engineering rubber products. Our product range includes bridge bearings, expansion joints, water stop strips, water stop belts, inflatable cores, building deformation joint device and water plugs, which are widely used in bridge, tunnel, water conservancy, and power engineering projects. The company boasts advanced technology and mature processes to ensure reliable product quality.
We have a professional technical team and a comprehensive after-sales service system to ensure customers receive high-cost-performance products and attentive service. Hengshui Jingtong Rubber Co., Ltd. is committed to continuous innovation to meet market demands and looks forward to establishing long-term cooperative relationships with customers from both domestic and international markets.
1. who are we?
We are based in Hebei, China, start from 2013,sell to Domestic Market(40.00%),Southeast Asia(23.00%),Africa(16.00%),North America(7.00%),South America(7.00%),Western Europe(7.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Bridge Expansion Joint,Rubber Waterstop,Swelling Waterstop Strip,Seismic Isolation Bearing,Rubber Bearing Pad
4. why should you buy from us not from other suppliers?
1.More than 20 professional senior technical personnel.
2.There are 10 series,over 200 species and more than 2,000 specifications.
3.All products have been authenticated by the Ministry of Communications.
4.Self-research and development,professional.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
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