China Single Sphere Rubber Expansion Joint manufacturer
Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
JINGNING Specialized In Rubber Expansion Joints
8
Home > Products > Single Sphere Rubber Expansion Joint >

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector

Browse Categories

Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

City: zhengzhou

Province/State:shandong

Country/Region:china

Tel:86-150-93112546

Contact Person:
Mr.Wu
View Contact Details

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector

Product name Rubber Expansion Joint Standard High Pressure Resistant In Piping Customized
Resistance Corrosion and abrasion resistant
Head Code Round
Applicable Media Air, Water, Oil, Weak Acid and Alkali
Model Number RLJS
Rubber Joint Material EPDM,NBR,CR,PTFE,etc.
Color Black
Warranty Time 12 months
Flange Material Carbon steel, SS304, SS316
Customized Support OEM, ODM
Payment Terms Western Union,T/T,L/C,D/A,D/P,MoneyGram
Flange Standard PN10/16, Class150#, Class300#, JIS5K, JIS10K
In Stock 20000
Price US$11.16~51.22/pc
Shape Round
Nominal Diameter 32mm - 1800mm
Temperature Rating 200°F
Supply Ability 10000 sets per week
Size DN50
Material Of Flange Q235, SS304, SS316, SS316L
Main Frame Nylon Cord Fabric
Product Drawings Offer
Standard DIN/ANSI/JIS/BS
Minimum Order Quantity 1
Delivery Time 5--15 working days
Businese Type Rubber expansion joints manufacturer
Connection Type Flanged
Installation Manual offer
Feature Small Volume
Power Manual
Surface Treatment Cold Galvanized
Application Pipeline systems
Packaging Details carton or wooden
Axial Displacement 6-18 mm
Company Type Factory
Keyword Rubber Expansion Joint Standard
Oem Yes
Certification CE,ISO
OEM/ODM for 20 Year's Experience
Working Temperature -20℃~150℃
Brand Name JINGNING
Standard Of Flange ANSI, DIN, JIS, EN, etc
Deflection Angle 10° - 15°
Operating Medium Water, Oil, Air, Chemicals
Material EPDM,NBR,NR, CR, FKM
Warranty 12 months
Place of Origin China
Detailed Product Description

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector

Product Description

The Food Grade PTFE Lined Expansion Joint is an ultra-pure fluid transfer solution custom-engineered for industries where contamination control and absolute purity are critical. Designed specifically for food processing, dairy networks, beverage production, and cosmetics manufacturing, this non-stick flexible bellows connector integrates a high-density, pure PTFE (Polytetrafluoroethylene) liner into a resilient elastomeric body.

The virgin PTFE liner provides a completely non-reactive, non-toxic, and taste-neutral interior surface that meets stringent hygienic compliance standards. This internal fluoropolymer barrier isolates the flowing medium from the structural outer rubber shell, preventing any chemical extraction or leaching. Equipped with precision-engineered backing flanges, this flexible piping connector effortlessly absorbs thermal piping movements, dampens mechanical vibrations from sanitary transfer pumps, and ensures a sterile, leak-proof flow path in high-purity processing environments.

Performance characteristics

  • Ultra-Pure Sanitary Design: Fabricated using 100% virgin, unpigmented PTFE that is completely inert, non-toxic, and free from plasticizers or fillers, ensuring it will not leach taste, odor, or color into sensitive consumables.

  • Non-Stick & Easy to Clean: The mirror-smooth, low-friction fluoropolymer interior actively prevents biological scaling, proteins, and sticky sediments from adhering to the bore, making it perfectly suited for CIP (Clean-in-Place) high-temperature washdowns.

  • Universal Chemical & Flavor Resistance: Resists aggressive cleaning sanitizers, strong caustic washes, and organic fruit acids, allowing operators to run different product batches sequentially without flavor carryover or material degradation.

  • Hygienic Fluid Sealing: Features a flared, turned-over PTFE face that extends across the entire flange sealing surface, creating an integrated gasket barrier that seals out bacteria, moisture, and potential contaminants at connection points.

  • Dynamic Stress Relief: Combines the structural elastic damping of a rubber joint with the purity of a fluoropolymer, absorbing concurrent axial, lateral, and angular misalignments while isolating high-frequency pump vibrations.

Product Specification

SizeLengthAllowable Movements in Operation
mminchmmAxial Compression mmAxial Extension
mm

Transverse Movement

mm

Angular Deflection mm
251130/15220121415°
321 1/495/130/15220121415°
401 1/295/130/15220121415°
502105/130/15220121415°
652 1/2115/130/15220121415°
803130/135/15220121415°
1004130/15220121415°
1255130/152/16520121415°
1506130/152/18520121415°
2008130/152/21020121415°
25010130/203/23020121415°
30012130/203/24525162215°
35014200/25525162215°
40016200/25525162215°
45018200/25525162215°
50020200/25525162215°
6002426025162215°
7002826025162215°
8003226025162215°
9003626025162215°
100040260/30025162415°
11004430025162415°
12004830025162415°

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

Production Flow


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


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


Rubber Expansion Joint Standard 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


Certificate

FAQ

Q1: Is this PTFE-lined expansion joint fully compliant with global food and sanitary standards?

Yes. The inner lining is made from pure, virgin PTFE resin, which naturally complies with international hygienic and sanitary standards for food contact surfaces and beverage production, including FDA (Food and Pharma Administration) regulations for public health safety.

Q2: Does the smooth interior lining handle sticky or high-viscosity products like syrups, creams, or pastes?

Absolutely. One of the core benefits of the pure PTFE fluoropolymer liner is its excellent non-stick property. High-viscosity fluids, sticky sugars, honey, and cosmetic creams slide smoothly through the bore without sticking, which minimizes product waste and drastically simplifies batch cleaning.

Q3: Do I need to remove the joint from the piping network for cleaning between product batches?

No, it is specifically optimized for automated process cleaning. The smooth, non-porous PTFE surface stands up effortlessly to standard CIP (Clean-in-Place) chemical flushes and high-temperature hot water cycles, allowing you to sanitize the entire pipeline without dismantling the connection.

Product Tags: PTFE lined expansion joint   Non-stick fluoropolymer piping connector   Food grade flexible bellows  
Related Products
Email to this supplier
 
From:
Enter your Email please.
To: Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
Subject:
Message:
Characters Remaining: (80/3000)