Hand-Operated Sirens
RK National: Hand-Operated Sirens Manufacturer
R.K National is a leading Hand Operated Siren manufacturer known for delivering powerful, durable, and reliable manual sirens for emergency and industrial alert systems. Based in Kolkata, we proudly supply high-performance hand operated sirens across Bihar, Odisha, Jharkhand, Chhattisgarh, and Assam, catering to civil defense units, factories, schools, construction sites, disaster management authorities, and industrial facilities.
Our hand operated sirens are engineered to produce clear, long-range sound output without electricity, making them ideal for emergency warnings, safety drills, and outdoor alert applications. With a strong focus on quality manufacturing, robust materials, and consistent performance, R.K National has earned a reputation as a trusted hand operated siren manufacturer for clients seeking reliability, affordability, and long service life.
Whether you require sirens for industrial safety, emergency preparedness, or public alert systems, we ensure dependable solutions backed by timely supply and competitive pricing across Eastern and Central India.
Important Characteristics of Our Manual Sirens
- High Sound Output: Provides clear, strong sound signals that may be heard far away, guaranteeing prompt emergency notice.
- Manual Operation: It runs on a hand crank and doesn’t require a power source, which makes it ideal for places without electricity.
- Robust Construction: Constructed from cast iron or aluminum that resists corrosion for longevity.
- Lightweight and portable: Ideal for both temporary and permanent installations, it is simple to carry and mount.
Applications:
These sirens are frequently used in civil defense to warn possible threats.
- Civil Defense: Signaling in when power is not available.
- Emergency Situations: Providing notifications or time signals in industrial environments.
- Institutes: Notifying people about emergencies or events.
- Outdoor activities: Notifying people in isolated areas, such mountain rescue or campgrounds.
- Marine & Offshore Applications: Serves as an effective signal device on ships and coastal areas.
Why Pick Us to Make Your Hand-Operated Siren?
- Years of experience in manufacturing
- Options for customization are available.
- Strict criteria for quality control
- Affordable prices and worldwide delivery
- Excellent post-purchase assistance
Get in Touch
Our dedication lies in providing sturdy, high-decibel sirens that satisfy the safety and warning requirements of industries across the globe. Our technical staff guarantees accuracy, robustness, and steady output whether you need standard models or specially made manual sirens made for particular sound ranges and applications.
Phone Number – +91 8043890806
Email Id – info@rknationalengineering.com
We also offer bulk supply, OEM manufacturing, and private labeling options for distributors and government agencies.