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

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

PTFE lined expansion joint

Non-stick fluoropolymer piping connector

Food grade flexible bellows

Place of Origin:

China

Brand Name:

JINGNING

Certification:

CE,ISO

Model Number:

RLJS

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Product Details
OEM/ODM:
For 20 Year's Experience
Product Name:
Rubber Expansion Joint Standard High Pressure Resistant In Piping Customized
Keyword:
Rubber Expansion Joint Standard
Material:
EPDM,NBR,NR, CR, FKM
Size:
DN50
Flange Standard:
PN10/16, Class150#, Class300#, JIS5K, JIS10K
Color:
Black
Shape:
Round
Material Of Flange:
Q235, SS304, SS316, SS316L
Surface Treatment:
Cold Galvanized
Nominal Diameter:
32mm - 1800mm
Warranty Time:
12 Months
In Stock:
20000
Businese Type:
Rubber Expansion Joints Manufacturer
Flange Material:
Carbon Steel, SS304, SS316
Main Frame:
Nylon Cord Fabric
Resistance:
Corrosion And Abrasion Resistant
Working Temperature:
-20℃~150℃
Feature:
Small Volume
Warranty:
12 Months
Deflection Angle:
10° - 15°
Axial Displacement:
6-18 Mm
Company Type:
Factory
Head Code:
Round
Product Drawings:
Offer
Connection Type:
Flanged
Oem:
Yes
Power:
Manual
Rubber Joint Material:
EPDM,NBR,CR,PTFE,etc.
Customized Support:
OEM, ODM
Operating Medium:
Water, Oil, Air, Chemicals
Applicable Media:
Air, Water, Oil, Weak Acid And Alkali
Standard:
DIN/ANSI/JIS/BS
Installation Manual:
Offer
Application:
Pipeline Systems
Temperature Rating:
200°F
Standard Of Flange:
ANSI, DIN, JIS, EN, Etc
Payment & Shipping Terms
Minimum Order Quantity
1
Price
US$11.16~51.22/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
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.

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector 0

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

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

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector 1

Production Flow


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


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


Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector 4

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

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector 5


Certificate

Food & Pharma Grade PTFE Lined Expansion Joint: Non-Stick Ultra-Pure Fluoropolymer Flexible Bellows Piping Connector 6

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.

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