Apr. 24, 2026
UL focuses on product safety testing
FM emphasizes system reliability and loss prevention
Many projects require both certifications
Non-certified products pose legal and safety risks
UL certification ensures:
Products withstand extreme pressure
Leak-proof performance
Consistent manufacturing quality
FM approval focuses on:
Real-world fire scenarios
Long-term reliability
Insurance compliance
| Feature | UL | FM |
|---|---|---|
| Focus | Safety testing | Risk prevention |
| Requirement | Common | Often mandatory |
| Testing | Lab-based | Real-world oriented |
Using non-certified couplings can lead to:
System failure
Insurance rejection
Legal liability
Learn how to select certified couplings: Flexible Coupling Selection Guide.
Choose UL/FM approved couplings from JIANZHI to ensure compliance and safety.
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ABOUT JIANZHI
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Contact Us
E-mail: sales1@jianzhi-fitting.com
Tel: +86 15822792427
Office In Tianjin:
Heping District, Tianjin, China.
Production Base 1:
Chifeng, Inner Mongolia, China.
Production Base 2:
Tangshan City, Hebei Province, China.
Production Base 3:
Schelei Street,Baicoi City,Prahova County,Romania
