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Can be Customized Pipe Expansion Joint Flange Type PTFE Bellows

Categories Single Sphere Rubber Expansion Joint
Brand Name: JINGNING
Model Number: RLJS
Certification: CE,ISO
Place of Origin: China
MOQ: 1
Payment Terms: Western Union, T/T, L/C, D/A, D/P, MoneyGram
Supply Ability: 10000 sets per week
Delivery Time: 5--15 working days
Packaging Details: carton or wooden
Product name: Can be Customized Pipe Expansion Joint Flange Type PTFE Bellows
Working pressure: -0.2~4.5Mpa
Keyword: PTFE Bellows
Material: EPDM,NBR,NR, PTFE
Size: DN25~DN1200
Flange Standard: DIN/ANSI/JIS/BS
Sample: Freely
Linning: PTFE
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Can be Customized Pipe Expansion Joint Flange Type PTFE Bellows

Can be Customized Pipe Expansion Joint Flange Type PTFE Bellows


Product Description

Addressing complex piping geometries and thermal transients, the PTFE bellows incorporates advanced kinematic design principles. Its three-dimensional flexibility—permitting axial compression/extension, lateral offset, and torsional rotation—mitigates stress concentrations caused by building settlement, thermal cycling, or seismic activity. PTFE bellows core's low friction coefficient (μ < 0.1) facilitates smooth bending without energy loss, while the metallic reinforcement layer prevents over-extension and kink resistance. Tested to exceed 10,000 cycle durability in fatigue testing, this component minimizes maintenance requirements in marine exhaust systems, geothermal power plants, and nuclear reactor coolant loops. Optional FDA-compliant silicone-free liners are available for food-grade applications.


Performance characteristics

1. Flexibility: Accommodates axial, lateral, and angular movements.
2. Durability: Reinforced Rubber Joint provides long-lasting performance.
3. Corrosion Resistance: Resists aggressive environments and chemicals.
4. Noise & Vibration Reduction: Dampens vibrations and shock waves.
5. Ease of Installation & Maintenance: Compact design and standard flange connections facilitate installation and upkeep.


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


PTFE bellows 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:What’s the material of PTFE bellows?

A1:The material can be EPDM,NBR,CR,SBR..It depends on the working condition.


Q2:What’s the warranty period of PTFE bellows?

A2:We provide 18 months’ warranty.


Q3:What’s the working temperature of PTFE bellows?

A3:The working temperature is -20℃~100℃.


Q4:What’s the package?

A4:The package is carton box and strong plywooden case.

Quality Can be Customized Pipe Expansion Joint Flange Type PTFE Bellows for sale
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