Multi-Standard Pressure Rating (PN16 / ANSI 150) Flexible Joint: Burst-Resistant Fluoropolymer Lined Pipeline Compensator
The Cross-Compatible Chemical Shield for Global Industrial Piping.
The Multi-Standard Pressure Rating (PN16 / ANSI 150) Flexible Joint is a dual-certified, heavy-duty pipeline compensator engineered for seamless integration across global chemical, petrochemical, and severe-service process networks. International engineering projects and facility upgrades frequently face flange compatibility conflicts when bridging European metric (PN16 / 16 bar) and American standard (ANSI Class 150 / 150 lb) piping infrastructure. This advanced flexible joint solves this challenge with a multi-slotted, dual-standard flange architecture coupled with an impenetrable internal fluoropolymer (PTFE) liner.
The high-density PTFE lining provides complete, non-reactive chemical isolation, protecting the outer composite rubber shell against blistering, swelling, and chemical degradation from aggressive acids, strong oxidizers, and toxic solvents. Reinforced with multi-ply synthetic cord fabrics and embedded steel wire rings, the burst-resistant housing provides high safety margins under continuous pressure cycles. By absorbing multi-axial thermal growth, dampening destructive pump vibrations, and eliminating flange conversion headaches, this universal compensator guarantees zero-leakage safety and high operational flexibility across global fluid transfer systems.
Performance characteristics
Multi-Standard Flange Compatibility: Features a dual-drilled flange design that fits both PN16 (EN 1092-1) and ANSI Class 150 (ASME B16.5) bolt circle patterns, simplifying cross-border equipment integration and reducing spare parts inventory.
Severe-Service Chemical Shield: The pure fluoropolymer (PTFE) inner liner remains completely inert against concentrated mineral acids, harsh alkalis, reactive solvents, and volatile hydrocarbons, ensuring total fluid isolation.
Burst-Resistant Composite Body: Built with high-tenacity synthetic tire-cord plies and internal steel wire reinforcement, providing exceptional burst resistance and structural stability under continuous 16 bar working pressure.
Omni-Directional Movement Relief: The engineered single-sphere arch profile yields smoothly to dynamic piping stress, absorbing concurrent axial compression, axial expansion, lateral shear, and angular misalignments.
Integrated Flared Full-Face Seal: The internal PTFE liner extends completely through the throat and wraps over the face of the multi-standard backing flanges, creating an integrated, blowout-proof chemical gasket surface that prevents flange-face corrosion and joint seepage.
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
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: What is the main advantage of a Multi-Standard (PN16 / ANSI 150) flange drilling?
In international processing facilities, equipment imported from Europe (following PN16 standards) often connects to piping designed to American standards (ANSI Class 150). The multi-standard flange hole configuration allows maintenance teams and EPC contractors to mount the exact same expansion joint onto either standard without using expensive custom adapters or modifying pipe flanges.
Q2: How does the fluoropolymer (PTFE) lining protect the expansion joint?
Unlined rubber compounds like EPDM or NBR degrade, swell, or soften when exposed to aggressive industrial chemicals or organic solvents. The continuous PTFE inner liner acts as an impenetrable chemical barrier, ensuring process fluids only contact inert fluoroplastic while leaving the outer elastomeric body protected to perform its mechanical shock and vibration absorption duties.
Q3: Are separate full-face chemical gaskets required for installation?
No separate gaskets are needed. The internal PTFE liner extends completely through the throat and flares across the entire sealing face of the multi-standard backing flanges. This turned-over PTFE surface serves as its own full-coverage, chemical-resistant gasket, creating an immediate, leak-proof seal when torqued against mating flanges.
Q4: What are the pressure and temperature limits for this flexible joint?
The composite unit is rated for continuous working pressures up to 16 bar (232 PSI / 1.6 MPa) with a robust anti-burst safety ratio. Controlled by the high-grade elastomeric backing, the continuous operating process temperature rating extends up to 115°C, accommodating the vast majority of hot chemical synthesis and transfer lines.
Q5: Should control units (limit rods) be installed with this compensator?
Control units (tie/limit rods) are strongly recommended for unanchored piping systems or high-pressure severe-service applications. Limit rods physically restrain the flexible bellows from over-extending beyond its engineered movement thresholds during sudden pressure surges or water hammer events, preventing pipe joint separation.
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