3 Grooved Coupling
Application: Quick connection for firefighting pipelines and water supply systems
Finish: Painted, Epoxy Coated, or Hot-Dip Galvanized
Origin: China
Manufacturing Process: Casting, Machining, Surface Treatment
Certification: ISO9001, CE, UL/FM
3 Grooved Coupling - Reliable Pipeline Connection Solution
Product Introduction
When you're looking for a tried and true association arrangement for your firefighting or water supply frameworks, the 3 grooved coupling conveys remarkable execution and unwavering quality. This precision-engineered component makes secure, leak-proof joints in your channeling framework. Made from premium bendable press or carbon steel, our product guarantees long-lasting toughness indeed in requesting situations. Whether you're working on commercial buildings, mechanical offices, or metropolitan water ventures, this coupling gives the fast establishment and vigorous association you require to keep your operations running easily and safely.
Our furrowed couplings speak to decades of fabricating mastery. We've refined each detail to allow you a item that surpasses industry guidelines. The progressed casting and machining forms make exact grooves that adjust superbly with your notched channels. Surface medications counting portray, epoxy coating, or hot-dip galvanizing ensure against erosion and amplify benefit life significantly.

3 Grooved Coupling Specification
| Specification | Size (inches) | L (mm) | H (mm) | φ Diameter (mm) |
|---|---|---|---|---|
| 1 | 33 | 98 | 42 | 54 |
| 1½ | 48 | 114 | 43 | 69 |
| 2 | 60 | 127 | 43 | 82 |
| 2½ | 76 | 145 | 44 | 99 |
| 3 | 89 | 159 | 44 | 112 |
| 4 | 108 | 186 | 47 | 133 |
| 4 | 114 | 192 | 47 | 140 |
| 5 | 133 | 214 | 48 | 161 |
| 5 | 140 | 221 | 48 | 167 |
| 6 | 159 | 245 | 49.5 | 189 |
| 6 | 165 | 251 | 49.5 | 195 |
| 6 | 168 | 254 | 49.5 | 198 |
| 8 | 219 | 324 | 59 | 254 |
| 10 | 273-1.6 | 416 | 61 | 316 |
| 10 | 273-2.5 | 416 | 62 | 317 |
| 12 | 325-1.6 | 467 | 61 | 370 |
| 12 | 325-2.5 | 469 | 62 | 372 |
Note: Due to continuous upgrading and optimization of product technology, there may be errors in product appearance and parameters. Please refer to the actual product. Our contact email address is sales@flaindustrial.com.
Usage Scenarios
You'll discover our notched couplings performing dependably over different applications:
Firefighting Frameworks: Fire assurance establishments require outright unwavering quality. Our couplings make secure associations that withstand tall weight amid emergencies.
Water Supply Systems: Metropolitan and mechanical water dissemination frameworks advantage from the fast establishment and maintenance-friendly design.
HVAC Frameworks: Warming and cooling channeling frameworks in commercial buildings utilize these couplings for proficient get together and future serviceability.
Industrial Handle Channeling: Fabricating offices depend on these associations for different liquid exchange applications where downtime costs money.
Building Development: Temporary workers appreciate the establishment speed amid unused development and remodel projects.
The 3 grooved coupling adjusts to your particular extend necessities. Whether you're working inside or outside, in destructive situations or standard conditions, we offer surface wrap up choices that coordinate your needs perfectly.

Product Features
Rapid Establishment: You can total associations in minutes instep of hours. No welding or threading required—just basic catapulting diminishes labor costs significantly.
Superior Fixing: Our precision-machined grooves and high-quality gaskets make leak-proof joints that keep up framework keenness for years.
Flexible Plan: The coupling obliges minor pipe misalignment and warm development, decreasing push on your channeling system.
Multiple Fabric Choices: Select between pliable press for quality or carbon steel for particular applications. Both materials convey great performance.
Protective Wraps up: Select from painted, epoxy-coated, or hot-dip galvanized surfaces based on your natural conditions and stylish preferences.
Easy Support: When repairs or adjustments are required, you can rapidly disengage and reconnect without cutting pipes.
Pressure Capability: Outlined to handle the requesting weight necessities of firefighting and mechanical applications safely.

Quality Control
Quality isn't fair a promise—it's our fabricating establishment. Each coupling experiences thorough testing some time recently coming to you.
Material Confirmation: We assess crude materials to affirm they meet details some time recently generation begins.
Dimensional Precision: Accuracy measuring gear checks each basic measurement amid manufacturing.
Pressure Testing: Each group experiences hydrostatic testing to confirm leak-proof execution beneath working conditions.
Surface Review: Visual and specialized examinations guarantee coating quality and erosion protection.
Documentation: Total traceability records go with each arrange, giving you certainty in item authenticity.
Our ISO9001-certified quality administration framework guarantees consistency over each generation run. This orderly approach disposes of surrenders and conveys the unwavering quality your ventures demand.

Why Choose Us?
Customization Mastery: Require special-shaped parts or non-standard sizes? Our center quality lies in creating customized arrangements. We quickly change your one of a kind prerequisites into reality, ordinarily inside 7-15 days for custom orders.
Immediate Accessibility: With 2,000 tons of stock, standard items dispatch quickly. You won't confront venture delays holding up for fundamental components.
Responsive Bolster: When you Contact Us for estimating, weight affirmation, or 3D plans, we react inside 24-48 hours. This speed keeps your venture arranging on track.
Technical Association: Our building group gives full-process support—from form improvement and 3D visualization to generation optimization and conveyance tracking.
Proven Compliance: ISO and CE certifications illustrate our commitment to worldwide quality and security standards.
Production Capacity: No arrange is as well huge. Our high-volume capabilities cruel you'll never listen "we can't handle that amount."
Certifications
Our commitment to quality is validated through internationally recognized certifications:
- ISO9001: Quality management system certification ensuring consistent production standards
- CE: Product safety certification meeting European requirements
- UL/FM: Compliance for firefighting applications in specific markets
These certifications aren't just paperwork—they represent our dedication to meeting and exceeding global standards in every aspect of production.
FAQ
Q: What's the difference between ductile iron and carbon steel couplings?
A: Ductile iron offers excellent strength and durability, ideal for most applications. Carbon steel provides specific advantages in certain industrial environments. We'll help you select the right material for your needs.
Q: Can you provide custom sizes beyond the standard specifications?
A: Absolutely! Custom sizing is one of our core strengths. Send us your requirements, and we'll develop a solution tailored to your project.
Q: How quickly can you deliver for urgent projects?
A: Standard Products" target="_blank" style="color:blue" >products ship from our 2,000-ton inventory immediately. Custom products typically deliver within 7-15 days depending on complexity.
Q: Which surface finish should I choose?
A: It depends on your environment. Painted finishes suit indoor applications, epoxy coating offers enhanced chemical resistance, and hot-dip galvanizing provides maximum outdoor corrosion protection.
Q: Do these couplings work with all grooved pipe systems?
A: Our couplings follow industry-standard groove dimensions. We recommend confirming compatibility, and our technical team can verify fit for your specific piping.
Q: What pressure ratings do these couplings support?
A: Pressure ratings vary by size and material. Contact us with your application details for specific pressure capability confirmation.
Contact Us
Ready to discuss your piping connection needs? Our team is here to help.
Email: sales@flaindustrial.com
Whether you need standard 3 grooved coupling products from inventory or custom solutions designed specifically for your application, we're ready to respond quickly. Send us your specifications, drawings, or questions, and we'll provide detailed feedback within 24-48 hours.
Our technical experts can assist with material selection, sizing confirmation, 3D design visualization, and project planning. We're not just a supplier—we're your manufacturing partner committed to your project success.
FLA Industrial & Trading Co., Ltd. - Your Trusted Partner for Quality Piping Solutions















