GYLDT
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Single Sphere Rubber Expansion Joint

Premium Quality Custom Lengths Available Fast Delivery

High-performance single sphere rubber expansion joint engineered with our proprietary rubber formula developed through decades of manufacturing excellence. Designed for superior shock absorption, thermal expansion compensation, and vibration isolation in demanding industrial applications.

Proprietary Rubber Formula

Advanced elastomer technology for enhanced performance

Multiple Length Options

Standard & custom lengths for any application

Ready Stock

Large inventory for immediate shipment

ISO 9001 Certified

Quality management system compliance

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Contact our technical team for specifications, pricing, and delivery information.

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✓ Free technical consultation ✓ Custom sizing available ✓ Fast global shipping

Technical Specifications

Engineered for demanding industrial applications with superior material properties and performance characteristics.

Standard Specifications

Nominal Diameter DN50 - DN3000 (2" - 120")
Working Pressure 1.0 - 2.5 MPa (10 - 25 bar)
Temperature Range -15°C to +115°C
Axial Movement ±10mm to ±50mm
Angular Movement ±15° to ±20°
Lateral Movement ±5mm to ±25mm

Material Options

Rubber Body Materials

EPDM (Standard)
Neoprene
Nitrile (NBR)
Natural Rubber

Flange Materials

Carbon Steel
SS304
SS316
Galvanized Steel

Flange Standards

ANSI/ASME
DIN/EN
JIS
AS/NZS

Manufacturing Excellence

35+ years of innovation with proprietary rubber technology and streamlined production processes.

Proprietary Formula

Unique rubber compound developed through decades of R&D for superior elastomer performance and durability.

Flexible Sizing

Standard and custom lengths available. Extensive mold inventory allows rapid tooling for special requirements.

Ready Stock

Large inventory of standard sizes ensures immediate availability and short lead times for urgent projects.

Quality Assurance

ISO 9001 certified production with standardized processes and rigorous quality control at every stage.

Streamlined Production Process

Five specialized production lines with standardized workflows and quality checkpoints ensure consistent, high-quality output.

1

Rubber Refining

Proprietary compound mixing with precise temperature and timing control

2

Sheet Making

Precision rolling to achieve uniform thickness and material consistency

3

Winding & Molding

Automated forming process using precision molds for consistent geometry

4

Vulcanization

High-temperature curing for optimal cross-linking and performance

5

Final Assembly

Flange attachment, quality inspection, and packaging for shipment

99.2%

First Pass Yield Rate

5

Production Lines

24h

Standard Lead Time

Applications & Industries

Trusted by industries worldwide for critical piping system applications requiring reliable vibration isolation and thermal expansion compensation.

Water Treatment

Municipal and industrial wastewater treatment plants, pumping stations, and distribution systems.

Power Generation

Thermal power plants, cooling tower systems, and steam distribution networks requiring high-temperature performance.

HVAC Systems

Commercial and industrial HVAC installations for vibration control and thermal movement accommodation.

Chemical Processing

Chemical plants and refineries requiring corrosion-resistant materials and reliable sealing performance.

Marine Applications

Shipbuilding, offshore platforms, and coastal infrastructure with saltwater resistance requirements.

Construction

Building services, underground utilities, and infrastructure projects requiring flexible pipe connections.

Trusted Worldwide

Serving customers across 46+ countries with long-term partnerships built on quality and reliability.

46+

Countries Served

35

Years Experience

10+

Year Partnerships

1989

Founded

Quality Certifications

ISO 9001:2015 Quality Management
CE Certification (European Conformity)
EAC Certification (Eurasian Conformity)
Product R&D Patents
Quality Certifications

Ready to Discuss Your Project?

Our technical team is ready to provide custom solutions, detailed specifications, and competitive pricing for your single sphere rubber expansion joint requirements.

Email Us

GYLDT CO., LIMITED | 176th Yong'an Road, Xicun Town, Gongyi City, Henan Province, China

Tel: +86 18703845698 | Email: Info@focalvalve.com | Web: www.focalvalve.com