ANSI 150 Class Pressure Rating Flexible Pipe Connector: Heavy-Duty Reinforced Bellows Coupler for High-Stress Piping
ANSI 150 Class Pressure Rating Flexible Pipe Connector: Heavy-Duty Reinforced Bellows Coupler for High-Stress Piping
The American Standard Workhorse for High-Stress Piping Applications.
The ANSI 150 Class Pressure Rating Flexible Pipe Connector is a heavy-duty, engineered bellows coupler built to meet the rigorous demands of industrial piping systems designed to ASME/ANSI B16.5 Class 150 standards. High-stress piping networks—such as those found in power generation, petrochemical processing, HVAC, and industrial fluid transfer—frequently suffer from extreme thermal expansion, structural vibration, and mechanical misalignment.
This heavy-duty flexible connector features a multi-layered, reinforced elastomeric matrix vulcanized with high-tenacity synthetic fiber cord plies, providing exceptional pressure retention and dynamic fatigue resistance. Outfitted with precision-drilled ANSI Class 150 carbon steel or stainless steel backing flanges, it serves as a robust, flexible bridge that isolates pump vibration, relieves pipe wall stress, and maintains zero-leakage security under continuous 150 Class working pressure profiles.
Performance characteristics
Full ANSI Class 150 Compliance: Engineered and tested to integrate seamlessly into ASME/ANSI B16.5 Class 150 piping systems, handling working pressures up to 225 PSI (1.55 MPa) depending on operating temperature.
Heavy-Duty Multi-Ply Reinforcement: Built with embedded layers of high-tensile fabric cord and internal steel wire rings to prevent ballooning, structural deformation, and pressure surges in high-stress lines.
Superior Vibration & Acoustic Attenuation: The elastomeric bellows matrix absorbs solid-borne mechanical vibration and acoustic noise generated by high-output pumps, compressors, and chillers.
High-Capacity Movement Relief: Multi-directional flexibility smoothly compensates for simultaneous axial compression, axial extension, lateral shearing, and angular misalignments caused by equipment settling or thermal growth.
Durable Corrosion-Resistant Shell: Formulated with weather-, ozone-, and abrasion-resistant outer cover compounds, ensuring long service life in both indoor equipment rooms and harsh outdoor exposure.
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° |
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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
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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 |
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4.Vulcanizing Automatic vulcanization machine ensure vulcanization time and pressure |
5.Inspecting |
6. Packaging |
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 working pressure does an "ANSI 150 Class Pressure Rating" specify for this connector?
An ANSI Class 150 rating corresponds to a nominal working pressure of 150 to 225 PSI (approx. 10 to 15.5 bar) for ambient temperature service, matching the pressure-temperature ratings of standard ASME B16.5 Class 150 pipe flanges.
Q2: What is the main benefit of using a heavy-duty reinforced bellows coupler in high-stress piping?
In high-stress piping networks, rigid connections transfer equipment vibration and thermal growth directly into pipe anchors, pump nozzles, and valve bodies, leading to fatigue cracks and leaks. This flexible connector acts as a stress-relief buffer, absorbing those dynamic mechanical loads before they can damage critical machinery.
Q3: Are the flanges compatible with standard US pipe layouts?
Yes. The attached backing flanges feature standard ANSI Class 150 bolt circle dimensions, hole diameters, and hole counts, making them directly compatible with standard US ANSI B16.5 mating flanges for fast, bolt-on installation.
Q4: Are control units (tie rods) required for installing this ANSI 150 flexible connector?
Control units (limit rods) are strongly recommended when installing this connector on unanchored piping lines or near pumps operating near the upper limits of the 150 Class pressure rating. The tie rods restrict over-extension and compression, preventing the bellows from exceeding its design limits during sudden pressure surges.
Q5: Can this flexible pipe connector be customized with different inner liner materials?
Yes. Depending on your process fluid (e.g., raw water, oils, chemicals, or slurries), the inner tube can be customized with specific elastomeric linings like EPDM, NBR (Nitrile), Neoprene, or a PTFE liner for aggressive chemical service.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.