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By Model Type

KWT-Elbow
WCR-Hand Built

By Rubber Material

EPDM
FKM (Viton)
NR (Natural)

By Flange Material

Non-Metallic

By Pressure Rating

PN10

By Size Range (DN)

DN15-100
DN300–600

By Special Features

Pressure Ring

Complete Series: High-Performance Rubber expansion joints & flexible Joints

KXT · KST · KYT · KDT · WCR | EPDM / NBR / PTFE / FKM | PN6 – Class300 | Engineered for nuclear, chemical, marine & desalination

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DN350 multi-arch rubber expansion joint, 600mm face-to-face length, hand-built NR construction with thick zinc coated flanges for pipeline settlement compensation.

DN350 PN10 Multi-Arch Custom Flexible Joint – 600mm Long-Reach Hand-Built NR with Thick Zinc Coated Flanges

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DN45 113mm custom flexible joint, hand-built double sphere FKM rubber expansion joint with stainless steel clamps, customized to engineering drawings for chemical resistance.

DN45 113mm custom flexible joint, hand-built double sphere FKM rubber expansion joint with stainless steel clamps, tailored to engineering drawings for aggressive chemical resistance.

DN45 PN10 Custom Flexible Joint – Hand-Built Double Sphere FKM Rubber Compensator with SS Clamp Ends (Custom-to-Drawing)

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DN50 90-degree EPDM rubber expansion joint elbow, molded rubber bellow with chemical-resistant white polypropylene flanges, 1Mpa working pressure rating.

DN50 90-Degree EPDM Rubber Expansion Joint Elbow with Molded Bellow and Polypropylene Flanges (1Mpa)

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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

Energy & Power

Chemical Processing

Marine & Shipbuilding

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

📧

Email:

chen@songjiangflex.com

📧

Email:

sales@rubberflexjoint.com

📞

Phone / WhatsApp:

+86 183 6962 0097

© 1990-2026 Songjiangflex. All rights reserved.
Professional manufacturer of industrial rubber expansion joint and expansion joints for pumps, pipelines & HVAC systems worldwide. Our solutions serve critical industries including pump pipeline engineering, energy, chemical processing, marine, and data center applications.

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