Nakajima Type Fire Hose Coupling Brass JIS Standard | Guangmin

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Nakajima Type Fire Hose Couplings (JIS Standard Brass/Gunmetal)

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Nakajima Type Fire Hose Coupling Brass JIS Standard Guangmin

Whatsapp：+86 18798746115

Email：jackbradd@guangminfire.cn

JIS Standard | Corrosion-Resistant Brass | Quick Quarter-Turn Connection

Specialized Marine and Industrial Firefighting Fittings Since 1995.

Product Overview

The Nakajima Type Fire Hose Coupling is a highly efficient Japanese standard (JIS) connector used extensively in the shipping industry and municipal firefighting. These couplings utilize a hermaphroditic (genderless) design, featuring two identical interlocking lugs that provide an instantaneous, leak-proof seal with a simple 90-degree turn. Crafted from high-grade brass or gunmetal, these fittings offer exceptional resistance to seawater corrosion, making them the industry standard for marine vessels, offshore rigs, and coastal infrastructure.

Key Features

JIS Standard Compliance: Fully compatible with Japanese industrial standard fire hoses, nozzles, and valves.
Marine-Grade Durability: Solid brass/bronze construction provides superior protection against salt spray and chemical corrosion.
Instantaneous Connection: Genderless design eliminates the need for male/female pairing, ensuring fast deployment in emergencies.
Robust Precision Machining: Ensures a perfect fit and high pressure retention up to 16 Bar.
Multi-Ribbed Tail: Designed for secure attachment to fire hoses via galvanized steel wire binding.

Technical Specifications

Parameter	Details
Standard	JIS (Japanese Industrial Standards)
Connection Type	Nakajima (Quarter-Turn Quick Connection)
Material	High-Quality Brass / Gunmetal / Bronze
Available Sizes	40A (1.5"), 50A (2"), 65A (2.5")
Working Pressure	16 Bar (1.6 MPa)
Lining Options	Suitable for Rubber, PVC, and TPU Hoses

Applications

Marine Firefighting: Essential equipment for cargo ships, tankers, and coastal vessels following JIS standards.
Offshore Platforms: Reliable, salt-water resistant connectors for oil and gas rigs.
Southeast Asian Markets: Widely used in firefighting systems in Japan, Vietnam, and the Philippines.
Industrial Facilities: High-performance water delivery for chemical plants and manufacturing zones.

Custom Service: We offer various JIS-compliant sizes, specialized gunmetal options for extreme marine environments, and private branding (OEM) with laser etching.

GuangMin Fire Celebrates Anniversary: A Day of Gratitude, Teamwork, and Future Goals

(March 15, 2025, GangMin)—held a lively anniversary celebration on March 15. Over 50 team members—including factory leaders, international sales staff, and long-time employees—gathered to reflect on achievements and enjoy time together.

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Morning Ceremony: Stories and Cake
The event began at 9:30 AM with speeches from managers. "Despite the severe global challenges last year,

we stood united and grew stronger," said Mr. Li, Manager of AH FA. He highlighted the hard work of our foreign trade team in securing a major client in Arabia.

"Our clients trust us because we care about safety and about each other," he added.

After cutting a cake, team members enjoyed snacks and casual conversations. Sales representative joy wu joked, "It's rare to see everyone relaxed—usually we're all rushing to catch orders.

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Creative Afternoon: Crafts and Games
In the afternoon, the atmosphere turned playful. The international team led a craft activity: plaster painting.

"What we want to show is that work is part of life, and we also live well," said organizer Jack Bradd. Some colleagues' plaster pieces were perfect, while others were full of creativity.

Looking Ahead: Small Steps, Big Dreams
While the day was filled with fun, leaders also shared simple goals for the next year:

Customer First: Continuously improve customer procurement and after-sales services.
One-Stop Service: Enhance our one-stop purchasing solutions for clients.
Team Growth: Launch a new "Buddy Program" to help new employees learn from senior staff.

Founder Mr. Zhang said, "Thirty years isn’t just about the past—it’s about the people here today." "Every employee, every customer, every ‘thank you’—that’s what drives us forward."

About Guangmin
Since 1995, we have supplied fire hoses, hydrants, valves, and more to homes, offices, and schools worldwide. Our 500+ team members work out of our Quanzhou factory, serving over 20 countries.

What People Are Saying

"Anniversary events showcase our family spirit—like Teacher Li helping serve cake and clean up!"* – Angla Xiao, Supervisor
"I joined last year, and today I’m proud to be part of protecting lives."* – Lucas Lin, New Sales Trainee