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By Model Type

KST-Double Sphere
KXT-Single Sphere
WCR-Hand Built

By Rubber Material

EPDM
NR (Natural)

By Flange Material

Carbon Steel

By Pressure Rating

PN25

By Size Range (DN)

DN15-100
DN100–300
DN300–600
DN600–1200

By Special Features

Control Rods
PTFE Lined

Complete Series: High-Performance Rubber Expansion Joints & Flexible Joints

KXT · KST · KYT · KDT · WCR | Size DN15–DN4000 | EPDM / NBR / CR / FKM / CSM | PN6–PN100 / High Pressure Designs | Engineered for Mining, Chemical Processing, Oil & Gas, Power Generation, Marine, Water Treatment & Nuclear Power Systems

Showing all 10 results

DN100 PN25 FPSO marine rubber expansion joint, high-pressure rubber bellow with white powder coated flanges, heavy-duty rubber flexible joint for shipboard oil and gas.

White powder coated flange rubber compensator, DN100 PN25 EPDM high-pressure expansion joint for FPSO marine oil and gas

DN100 PN25 FPSO Marine Rubber Compensator – High-Pressure EPDM with White Powder Coated Corrosion-Proof Flanges (L=150mm)

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Hand-built rubber compensator with EPDM and PTFE lining, DN125 PN25 high-integrity expansion joint for corrosive pure water.

300mm rubber compensator single arch design, DN125 PN25 EPDM PTFE lined flexible joint for hydrogen electrolyzer.

DN125 PN25 Custom 300mm PTFE Lined Rubber Compensator – SS316 Flange Hand-Built Flexible Joint for Hydrogen Electrolyzer Pure Water Systems

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DN125 PN25 hand-built rubber expansion joint, EPDM single-arch bellows with SS304 floating flanges, one side RF (Ring Face) and one side Full-Face sealing for marine ballast systems.

DN125 PN25 hand-built rubber expansion joint, EPDM single-arch bellows with SS304 floating flanges, one side RF (Ring Face) and one side Full-Face sealing for marine ballast systems.

DN125 PN25 High-Pressure Rubber Compensator – Hand-Built Single-Arch EPDM with SS304 Floating Flanges (RF to Full-Face Sealing)

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DN350 PN25 heavy-duty single-sphere rubber expansion joint, full-bore molded rubber bellow with 16-hole EN 1092-1 segmented flanges and integrated 6 control rod holes.

DN350 PN25 heavy-duty single-sphere rubber expansion joint, full-bore molded rubber bellow with 16-hole EN 1092-1 segmented flanges and integrated 6 control rod holes - 2.

DN350 PN25 Heavy-Duty Single-Sphere Rubber Expansion Joint with Segmented Flanges and Integrated Tie-Rod Holes

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DN40 PN25 double arch rubber expansion joint, 150mm hand-built EPDM construction, full face sealing SS304 flanges for marine and shipboard piping systems.

DN40 PN25 double arch rubber expansion joint, 150mm hand-built EPDM construction, full face sealing SS304 flanges for marine and shipboard piping systems.

DN40 PN25 Double Arch Custom Flexible Joint – 150mm Hand-Built EPDM Bellows with Full Face SS304 Flanges for Marine Piping

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DN400 PN25 heavy-duty rubber expansion joint featuring hand-built wear-resistant natural rubber, carbon steel flanges with control units, and 100% vulcanized full face sealing for abrasive slurry.

DN400 PN25 heavy-duty rubber expansion joint featuring hand-built wear-resistant natural rubber, carbon steel flanges with control units, and 100% vulcanized full face sealing for abrasive slurry.

DN400 PN25 Hand-Built Wear-Resistant Natural Rubber Compensator – 300mm Face-to-Face with Integrated Vulcanized Full Face Sealing & Control Units

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DN65 PN25 marine rubber expansion joint, PTFE lined ship rubber compensator with milled SS316 flanges for space-saving chemical piping on vessels.

DN65 PN25 marine rubber expansion joint, PTFE lined ship rubber compensator with milled SS316 flanges for space-saving chemical piping on vessels.

DN65 PN25 Marine Rubber Compensator – PTFE Lined EPDM with Milled SS316 Flanges for Ship Chemical Piping

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DN700 double arch rubber flexible joint 350mm length, hand-built EPDM rubber expansion joint with control rods, integrated vulcanized carbon steel flanges for cooling water systems.

DN700 double arch rubber flexible joint 350mm length, hand-built EPDM rubber expansion joint with control rods, integrated vulcanized carbon steel flanges for cooling water systems

DN700 Double Arch Custom Rubber Flexible Joint – 350mm Length Hand-Built EPDM with Integrated Vulcanized Flanges

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DN80 PN25 marine rubber expansion joint with EPDM single arch and SS304 flanges, dacromet coated for superior salt spray resistance in shipboard HVAC systems.

DN80 PN25 marine rubber expansion joint with EPDM single arch and SS304 flanges, dacromet coated for superior salt spray resistance in shipboard HVAC systems.

DN80 PN25 EPDM Single Arch Rubber Compensator for Marine HVAC – SS304 Dacromet Flanges

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DN80 DN25 natural rubber compensators with SS304 flanges and control rods, high-performance vibration isolation for secondary water supply pump stations.

DN80 DN25 natural rubber compensators with SS304 flanges and control rods, high-performance vibration isolation for secondary water supply pump stations.

DN80 PN25 NR Rubber Compensator for Secondary Water Supply – SS304 Flange & Safety Control Rods

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Professional rubber expansion joint Manufacturer in China with 30+ years experience.
We provide comprehensive solutions for pump pipeline engineering, energy,
chemical, marine, data center and industrial applications worldwide.

Key Industries We Serve:

Pump & Pipeline Engineering

Chemical Processing

Marine & Shipbuilding

Water Treatment

Key Industries We Serve:

↕️ Movement Compensation
🔥 Thermal Expansion

🔇 Vibration & Noise Reduction
🧪 Chemical Resistance

Product Series

KXT Single Sphere Rubber Expansion Joint
KST Double Sphere Rubber Expansion Joint
KYT Concentric Rubber Expansion Joint
KDT Full Face Rubber Expansion Joint
WCR Hand-Built Rubber Expansion Joint
EPDM Rubber Expansion Joint
NBR Rubber Expansion Joints
FKM (Viton) Rubber Expansion Joints
PTFE Lined Rubber Expansion Joints
Oversized Rubber Expansion Joints

KXT Single Sphere Rubber Expansion Joint
KST Double Sphere Rubber Expansion Joint
KYT Concentric Rubber Expansion Joint
KDT Full Face Rubber Expansion Joint
WCR Hand-Built Rubber Expansion Joint
EPDM Rubber Expansion Joint
NBR Rubber Expansion Joints
FKM (Viton) Rubber Expansion Joints
PTFE Lined Rubber Expansion Joints
Oversized Rubber Expansion Joints

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Shanghai Office:

3rd Floor, Building 1, No. 255 Yuankang Road, Baoshan District, Shanghai, China Postal Code: 200444

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Factory Address:

Shuangdian Town Industrial Park, Nantong City, Jiangsu 226404, China

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Email:

sales@rubberflexjoint.com

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Email:

chen@songjiangflex.com

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Phone / WhatsApp:

+86 183 6962 0097

© 1990-2026 Songjiangflex. All rights reserved.
Professional manufacturer of custom industrial rubber expansion joints for pumps, pipelines, and demanding industrial applications worldwide. Our solutions support critical industries including power generation, chemical processing, marine, water treatment, and heavy industry.

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