logo
vr
Home
Products
Single Sphere Rubber Expansion Joint
Threaded Expansion Joint
EPDM Rubber Expansion Joint
Double Sphere Rubber Expansion Joint
Duckbill Check Valve
Metal Braided Hose
Reduced Rubber Expansion Joint
PTFE Expansion Joints
Pipe Dismantling Joint
Metal Expansion Joint
Rubber Expansion Joint
Rubber Metal Pipe Connector
Ductile Iron Flange
VR Show
About Us
Company Profile
Factory Tour
Quality Control
Contact Us
events
news
english
english
français
Deutsch
Italiano
Русский
Español
português
Nederlandse
ελληνικά
日本語
한국
العربية
Türkçe
indonesia
tiếng Việt
ไทย
polski
Home > Products > Single Sphere Rubber Expansion Joint >
EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants

EPDM flanged rubber joint

corrosion-resistant piping bellows

wastewater treatment rubber expansion joint

Place of Origin:

China

Brand Name:

JINGNING

Certification:

CE，ISO

Model Number:

RLJS

Document:

REJ Manual - CHNFLEX.pdf

Contact Us

Request A Quote
EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants
EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants
Product Details
Product Name:
Rubber Expansion Flexible Pipe Fittings Manufacturer Of Expansion Joint Flanged Type
Working Pressure:
-0.2~4.5Mpa
Keyword:
Rubber Expansion
Flange Standard:
DIN/ANSI/JIS/BS
MOQ:
1PC
Rubber Material:
EPDM, NBR, NR
Color:
Black
Flange Material:
Carbon Steel, Ss304, Ss316
Working Temperature:
-30~110℃
Connectivity:
Flange,clamp,union
Medium:
Air, Water, Sewage, Acid, Oil, Etc.
Designstandard:
ANSI, DIN, JIS, GB
Port:
Shanghai,Tianjin Or Qingdao In China
Warranty Time:
12 Months
Test Pressure:
1.5 Times Of Working Pressure
Lifespan:
5-10 Years Depending On Conditions
Pressure Rating:
150 PSI
Working Pressure:
PN10/PN16/PN25
Drawing Service:
Free Offer
Control Rod:
With
Productname:
Single Sphere Rubber Expansion Joint
Reinforcement Layer:
Steel Wire Ring
Vacuum Working Conditions:
Applicable To Vacuum Conditions
Payment & Shipping Terms
Minimum Order Quantity
1
Price
US$10.5~52.6/pc
Packaging Details
carton or wooden
Delivery Time
5--15 working days
Payment Terms
Western Union,T/T,L/C,D/A,D/P,MoneyGram
Supply Ability
10000 sets per week
RELATED PRODUCTS
Good price HVAC Pump Vibration Isolator Bellows: Flexible Flange Rubber Joint for Commercial Building Piping Noise Reduction online Video

HVAC Pump Vibration Isolator Bellows: Flexible Flange Rubber Joint for Commercial Building Piping Noise Reduction

Get Best Price
Good price EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants online Video

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants

Get Best Price
Good price Floating Flange Rubber Expansion Loop: Easy-Install Flexible Pipe Coupler for Rapid Maintenance & Alignment online Video

Floating Flange Rubber Expansion Loop: Easy-Install Flexible Pipe Coupler for Rapid Maintenance & Alignment

Get Best Price
Good price Weatherproof Outdoor Pipeline Expansion Joint: UV-Resistant Neoprene Flanged Rubber Bellows for Exposed Systems online Video

Weatherproof Outdoor Pipeline Expansion Joint: UV-Resistant Neoprene Flanged Rubber Bellows for Exposed Systems

Get Best Price
Contact Us
86-150-93112546
joints@chnflex.com
Contact Now
Product Description

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants

Product Description

Navigating the volatile chemical environments of modern municipal water treatment and industrial wastewater management demands infrastructure that refuses to degrade. Tailored precisely for these high-stakes utilities, this premium flanged rubber flexible joint features a specialized, 100% pure EPDM internal liner. This dense, chemically inert core aggressively resists the punishing effects of constant oxidation, heavy ozone dosing, and mild chemical treatments like chlorination and pH-neutralizing acids, preventing the blistering or compounding chemical erosion that ruins standard elastomeric connectors.

Crucially, the joint is engineered with a continuous, ultra-smooth bore that flows seamlessly across the internal arch profile. By eliminating the dead zones and internal pockets found in conventional designs, it effectively prevents turbulent media from dropping sediment, debris, or mineral scaling inside the bellows, maintaining an uninterrupted, low-friction fluid velocity that optimizes pump efficiency. Acting as a secure, long-term chemical isolation barrier, it links rigid plastic, lined-steel, or metallic piping configurations without transferring concentrated stress. It delivers an unyielding, leak-proof transition zone for facilities focused on strict compliance, continuous runtime, and chemical processing safety.

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 0

Performance characteristics

  • High-Purity EPDM Chemical Immunity : Utilizes a specialized, non-blistering EPDM inner liner that offers superior resistance to active ozone, harsh oxidation processes, industrial runoffs, and standard water treatment chemicals without structural degradation.

  • Anti-Scaling Smooth-Bore Hydrodynamics : Engineered with a continuous, uniform internal bore that eliminates the deep arch cavity. This prevents the trapping of suspended solids, abrasive silt, or biological slime, maintaining maximum flow velocity and minimum head loss.

  • Multi-Material Pipe Interface Balancing : Serves as an ideal flexible mediator between rigid metallic pipelines and brittle thermoplastic networks (such as PVC, CPVC, or HDPE), absorbing localized thermal expansion before it cracks fragile plastic flange adapters.


Product Specification

Size Length Allowable Movements in Operation
mm inch mm Axial Compression mm Axial Extension
mm

Transverse Movement

mm

 Angular Deflection mm
25 1 130/152 20 12 14 15°
32 1 1/4 95/130/152 20 12 14 15°
40 1 1/2 95/130/152 20 12 14 15°
50 2 105/130/152 20 12 14 15°
65 2 1/2 115/130/152 20 12 14 15°
80 3 130/135/152 20 12 14 15°
100 4 130/152 20 12 14 15°
125 5 130/152/165 20 12 14 15°
150 6 130/152/185 20 12 14 15°
200 8 130/152/210 20 12 14 15°
250 10 130/203/230 20 12 14 15°
300 12 130/203/245 25 16 22 15°
350 14 200/255 25 16 22 15°
400 16 200/255 25 16 22 15°
450 18 200/255 25 16 22 15°
500 20 200/255 25 16 22 15°
600 24 260 25 16 22 15°
700 28 260 25 16 22 15°
800 32 260 25 16 22 15°
900 36 260 25 16 22 15°
1000 40 260/300 25 16 24 15°
1100 44 300 25 16 24 15°
1200 48 300 25 16 24 15°

Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering


Product Details

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 1

Production Flow

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 2

1.Raw material

Top level CR/EPDM/NBR

rubber raw materials,

No recycled rubber

2.Plasticating and mixing

Special Formulation for better Bending with Nylon,For Better Strength,Sealing

3.Workblanks wraping

Cooper plated steel wire reinforcement prevent pull off


EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 3

4.Vulcanizing

Automatic vulcanization machine ensure vulcanization time and pressure

5.Inspecting
100% strict inspection is to be responsible for consumers

6. Packaging
Protective Packaging for No
Rust and Breakage


Application

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 4

Rubber Expansion are widely used in various fields, including construction, chemical industry, shipbuilding, tap water, gas, chemical pipelines, petroleum pipelines, food pipelines, air conditioning pipelines, and sewage treatment.


Our Services

1.24-hour online

2.Free samples provided

3.Support customization

4.Provide drawings

5.Multiple payment styles to choose from

6.Factory inspection (material, specifications, quantity, pressure, packaging)

7.Long warranty period

8.Suitable packaging for transportation


Our Customer

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 5


Certificate

EPDM Flanged Rubber Flexible Joint: Corrosion-Resistant Piping Bellows for Wastewater and Water Treatment Plants 6

FAQ

  • Q: Is this rubber joint safe for drinking water applications?

  • A: Yes, we offer certified food-grade EPDM variants that meet strict drinking water safety standards for public utilities.

  • Q: Can it handle highly concentrated sulfuric acid?

  • A: For strong acids, standard EPDM is not recommended; please contact us for custom Viton or PTFE-lined expansion joints.

Tags：

rubber bellows expansion joints

epdm expansion joint

flanged rubber expansion joint

Send your inquiry directly to us

Tel：86-150-93112546
Email：joints@chnflex.com
ABOUT US
Company Profile
Factory Tour
Quality Control
Sitemap
Events
news
Cases
Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
JINGNING specialized in expansion joints for pipes since 2004.We have the entire production process and strict inspection.Hope to cooperate with you.
We'll get back to you as soon as possible.
Privacy Policy China Good Quality Single Sphere Rubber Expansion Joint Supplier. Copyright © 2019-2026 rubberexpansion-joint.com . All Rights Reserved.