Single sphere flanged rubber flexible joint

Product Features (Specifications – Plain English List)

Standard: ASTM, DIN, EN

Type: Single sphere rubber expansion joint

Connection: Flanged type

Rubber material: EPDM, NBR, CR

Flange material: Ductile iron

Pressure class: PN10 / PN16

Temperature range: -20℃ ~ 120℃

Function: Vibration damping, noise reduction, movement compensation

Applicable medium: Water, waste water, industrial circulating fluid

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Product details

Rubber expansion joint single sphere is a single-sphere rubber expansion joint, mainly used in pipeline systems to absorb the thermal expansion, vibration and displacement of pipelines, thereby reducing the stress and vibration impact on the pipelines. It can be used in petroleum and chemical industries.

Product Overview

This single sphere rubber expansion joint is widely used to absorb axial, lateral and angular displacement in piping systems. It effectively reduces vibration, lowers operating noise and relieves pipeline stress. Integrated flanged design ensures easy installation and stable sealing. Made of high-performance rubber materials, it features excellent aging resistance, flexibility and long service life, protecting pumps, valves and pipeline equipment from structural damage.

Specifications Table (Dimensions & Parameters)

Size		Working Pressure
Inch	DN	PN4-PN16
2”	50
2-1/2”	65
3”	80
4”	100
5”	125
6”	150
8”	200
10”	250
12”	300
14”	350
16”	400
18”	450
20”	500
24”	600
28”	700
32”	800
36”	900
40”	1000
48”	1200

Product Applications

Water supply and drainage pipeline networks
HVAC circulating water systems
Pump and fan vibration isolation connections
Industrial water treatment and delivery lines
Municipal construction and general fluid piping

Installation and Maintenance

Inspect rubber body and flanges for damage before installation
Keep pipes well aligned to prevent forced assembly
Fasten flange bolts diagonally and evenly
Avoid sharp scratches, high heat and corrosive contact
Conduct regular inspection for aging, cracking and leakage
Replace the component timely once sealing failure occurs

Related Products

Double sphere rubber expansion joint

Threaded union rubber expansion joint

Grooved flexible connector

Flanged dismantling joint

Pipeline vibration isolation fittings

Full series rubber compensation joints

FAQ

Can you supply OEM?

OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.

What’s the MOQ?

The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.

How about the order processing and lead time?

After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.

What quality will be ensured?

All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.

Can you guide the installation?

Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.

Contact Information

Sales Inquiry:
Provide contact information for sales inquiries.

Email: [email protected]

Phone: +86 13012223295

Technical Support：

If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:

Email: [email protected]