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By Working Medium

Chemical Product Transfer
Oil & Petroleum Transfer
Water Applications

By Model Type

KWT-Elbow
WCR-Hand Built

By Rubber Material

EPDM
FKM (Viton)
NBR (Nitrile)
NR (Natural)

By Flange Material

Carbon Steel
Non-Metallic
Stainless Steel

By Pressure Rating

PN10

By Size Range (DN)

DN15-100
DN100–300
DN300–600
Oversize (1200+)

By Special Features

Control Rods
Pressure Ring

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

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DN1400 seawater rubber expansion joint, 350mm face-to-face wide-arch hand-built rubber bellow with full-face vulcanized sealing, carbon steel PN10 flanges, and 6 welded gusset control rods.

DN1400 Hand-Built Wide-Arch Seawater Rubber Expansion Joint with Full-Face Flanges and 6-Rod Control Units (350mm)

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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 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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DN450 anti-settling rubber expansion joint, 900mm face-to-face 5-arch hand-built rubber bellow with central reinforcing rings and SS304 PN10 swivel flanges - 02.

DN450 Hand-Built 5-Arch Anti-Settling Rubber Expansion Joint with SS304 Flanges (900mm)

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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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DN150 oil-resistant NBR rubber expansion joint, 650mm face-to-face multi-arch hand-built rubber bellow with ring face sealing and carbon steel swivel flanges.

DN150 oil-resistant NBR rubber expansion joint, 651mm face-to-face multi-arch hand-built rubber bellow with ring face sealing and carbon steel swivel flanges - 02.

Hand-Built DN150 NBR Rubber Expansion Joint with 5-Arch Multi-Bellow Design for Hydraulic Oil Systems

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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

📧

Email:

sales@rubberflexjoint.com

📧

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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