Rubber Expansion Joint

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Rubber Expansion Joint

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44.68 USD - 8.68 USD

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HONGZE rubber expansion joints are designed to absorb vibration, reduce noise, and compensate for axial, lateral, and angular movements in industrial piping systems. They are available in EPDM, NBR, NR, FKM, and PTFE-lined constructions, with flanges manufactured according to ASME/ANSI, DIN/EN, BS, JIS, and GB standards. Sizes, pressure ratings, face-to-face lengths, and flange materials can be customized according to project requirements.

Prices are quoted individually according to product size, rubber material, flange standard, pressure rating, face-to-face length, flange material, order quantity, and delivery terms.

Please provide your detailed specifications or drawings for an accurate quotation. Competitive prices are available for bulk orders.

Products are packed in export-standard plywood cases, wooden pallets, or cartons according to product size and shipment requirements. EXW, FOB, CIF, CFR, and DDP quotations are available.

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ZHENGZHOU HONGZE VALVE PIPELINE EQUIPMENT CO., LTD.

Henan, China

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<h2>Rubber Expansion Joint Manufacturer and Supplier</h2>

<p>HONGZE manufactures and supplies rubber expansion joints for industrial, commercial, and municipal piping systems. Also known as flexible rubber joints, rubber bellows, or rubber compensators, these products absorb vibration, reduce noise, compensate for pipeline movement, and protect pumps, valves, pipes, and connected equipment.</p>

<p>Standard and customized rubber expansion joints are available with different rubber materials, flange standards, pressure ratings, face-to-face lengths, and movement capabilities. Large-diameter rubber expansion joints can also be manufactured according to project specifications and approved drawings.</p>

<h2>Product Functions</h2>

<ul>

<li>Absorb axial compression and extension</li>

<li>Accommodate lateral and angular movement</li>

<li>Reduce vibration and pipeline-borne noise</li>

<li>Minimize the effects of water hammer and mechanical shock</li>

<li>Compensate for thermal expansion and contraction</li>

<li>Accommodate minor installation misalignment</li>

<li>Protect pumps, valves, compressors, and other equipment</li>

</ul>

<h2>Available Rubber Materials</h2>

<table>

<thead>

<tr>

<th>Material</th>

<th>Typical Properties and Applications</th>

</tr>

</thead>

<tbody>

<tr>

<td>Suitable for water, hot water, air, weather exposure, and many mild chemical services.</td>

</tr>

<tr>

<td>Suitable for compatible oils, fuels, and industrial media requiring oil resistance.</td>

</tr>

<tr>

<td>Natural Rubber (NR)</td>

<td>Provides excellent flexibility, vibration absorption, and abrasion resistance.</td>

</tr>

<tr>

<td>Neoprene (CR)</td>

<td>Offers good resistance to weathering, aging, oils, and general industrial conditions.</td>

</tr>

<tr>

<td>FKM / Viton</td>

<td>Suitable for higher temperatures, oils, and selected chemical applications.</td>

</tr>

<tr>

<td>PTFE-Lined</td>

<td>Available for selected corrosive or high-purity media where standard rubber is unsuitable.</td>

</tr>

</tbody>

</table>

<p>Final material selection must be confirmed according to the medium, concentration, temperature, pressure, and operating conditions.</p>

<h2>Product Types</h2>

<ul>

<li>Single-sphere rubber expansion joint</li>

<li>Twin-sphere rubber expansion joint</li>

<li>Threaded union rubber expansion joint</li>

<li>Spool-type rubber expansion joint</li>

<li>Concentric and eccentric reducing rubber joint</li>

<li>PTFE-lined rubber expansion joint</li>

<li>Large-diameter customized rubber expansion joint</li>

</ul>

<h2>Flange Materials and Standards</h2>

<p>Flanges can be supplied in galvanized carbon steel, coated carbon steel, stainless steel 304, stainless steel 316, ductile iron, or other specified materials.</p>

<p>Available flange drilling standards include:</p>

<ul>

<li>ASME/ANSI Class 150 and Class 300</li>

<li>BS and GB flange standards</li>

<li>Customized drilling according to customer drawings</li>

</ul>

<p>Available pressure ratings depend on nominal diameter, rubber material, product structure, operating temperature, and project requirements.</p>

<h2>Typical Applications</h2>

<ul>

<li>Water supply and drainage systems</li>

<li>HVAC, heating, and chilled-water systems</li>

<li>Municipal water and wastewater projects</li>

<li>Pump stations and water-treatment plants</li>

<li>Power plants and cooling-water systems</li>

<li>Petrochemical and general industrial pipelines</li>

<li>Marine and seawater systems</li>

<li>Mining, pulp and paper, and process industries</li>

<li>Fire-protection and building-service pipelines</li>

</ul>

<h2>Customization Options</h2>

<p>HONGZE can manufacture rubber expansion joints according to project specifications, drawings, or installation conditions. Customization options include nominal diameter, face-to-face length, rubber material, flange material, flange drilling, pressure rating, reinforcing structure, movement capacity, and surface treatment.</p>

<p>For large-diameter or non-standard products, detailed drawings can be prepared for customer confirmation before production.</p>

<h2>Information Required for Selection</h2>

<p>For an accurate quotation and technical selection, please provide:</p>

<ul>

<li>Nominal diameter or pipe size</li>

<li>Required quantity</li>

<li>Face-to-face length</li>

<li>Flange standard and pressure rating</li>

<li>Operating and design pressure</li>

<li>Operating and design temperature</li>

<li>Pipeline medium and concentration</li>

<li>Required axial, lateral, and angular movement</li>

<li>Flange and rubber material requirements</li>

<li>Drawings or project specifications, if available</li>

</ul>

<h2>Quality and Export Service</h2>

<p>HONGZE provides support throughout product selection, drawing confirmation, production, inspection, packaging, and export documentation. Products are packed according to their size and transportation requirements using export-standard plywood cases, wooden pallets, or reinforced cartons.</p>

<p>EXW, FOB, CFR, CIF, and DDP quotations are available. Contact HONGZE with your specifications or drawings for a customized rubber expansion joint quotation.</p>

                                                            Product Type
                                                            Rubber Expansion Joint
                                                        
                                                            Nominal Size
                                                            DN25–DN3600 (Custom Sizes Available)
                                                        
                                                            Rubber Material
                                                            EPDM, NBR, NR, FKM/Viton, PTFE-Lined
                                                        
                                                            Structure
                                                            Single Sphere, Twin Sphere, Spool Type
                                                        
                                                            Pressure Rating
                                                            PN10, PN16, PN25, PN40, Class 150/300, JIS 10K/16K
                                                        
                                                            Flange Standard
                                                            ASME/ANSI, DIN/EN, BS, JIS, GB
                                                        
                                                            Flange Material
                                                            Galvanized Carbon Steel, SS304, SS316
                                                        
                                                            Face-to-Face Length
                                                            Standard or Customized
                                                        
                                                            Movement
                                                            Axial, Lateral and Angular
                                                        
                                                            Application
                                                            Water, Air, HVAC and Industrial Pipelines
                                                        
                                                            Country of Origin
                                                            China
                                                        
                                                            Warranty
                                                            12 Months

宏泽橡胶膨胀节广泛应用于给排水、暖通空调系统、市政管道、发电厂、石油化工设施、海洋系统、矿业和一般工业管道系统。

它们通常安装在泵、阀门、压缩机、冷却器和其他机械设备附近，以吸收振动、降低噪音、补偿热膨胀、适应轻微的安装错位，并保护管道和连接的设备。

针对不同的介质和操作条件，可以使用不同的橡胶材料，包括水、空气、海水、油、弱酸、弱碱和其他相容性流体。

• Absorbs axial, lateral, and angular movements in piping systems
• Reduces vibration, noise, water hammer, and mechanical shock
• Flexible and compact design for easy installation and maintenance
• Reinforced multi-layer rubber construction for reliable pressure resistance
• Available in EPDM, NBR, NR, FKM, and PTFE-lined constructions
• Carbon steel, galvanized steel, and stainless steel flanges are available
• Compatible with ASME/ANSI, DIN/EN, BS, JIS, and GB flange standards
• Custom sizes, face-to-face lengths, pressure ratings, and materials are available
• Suitable for water, air, seawater, oil, weak chemicals, and other compatible media
• Provides reliable pipeline protection and a long service life under suitable operating conditions