Storz Coupling

Suzhou Fuyikang Metal Industrial Co., Ltd. ：Your Professional Storz Coupling Supplier!

Suzhou Fuyikang Metal Industrial Co., Ltd. is a manufacturing factory specializing in the precision casting and machining of stainless steel products. Our primary casting method is full-silica sol investment casting.

Professional Manufacturing Experience

Over 20 years of experience in designing and producing high-quality couplings and transmission components, ensuring reliable performance under demanding conditions.

Advanced Production Equipment

Equipped with CNC machining centers, precision grinding machines, and automated assembly lines, enabling consistent product quality and tight tolerances.

Custom & OEM Solutions

We provide tailored designs, custom materials, and specialized sizes to meet unique operational requirements.

Global Certifications & Compliance

Our products comply with ISO, DIN, ANSI, and other international standards, giving customers confidence in performance and safety.

Introduction

Storz couplings are quick-connect pipe fittings widely used in firefighting, industrial piping, and liquid transfer systems. Available in various sizes and models, Storz couplings suit diverse applications including fire water supply, industrial pipelines, and marine systems.

Specification

Male threads

Storz size	Lug distance (mm)	Connection size (inch)
25-D	44	G 3/4
25-D	31	G 1
32	44	G 1
32	44	G 1-1/4
65	51	G 1-1/4
65	51	G 1-1/2
52-C	66	G 1
52-C	66	G 1-1/4
52-C	66	G 1-1/2
52-C	66	G 2
65	81	G 2
65	81	G 2-1/2
65	81	G 3
75-B	89	G 2-1/2
75-B	89	G 3
90	105	G 3
100	115	G 4
110-A	133	G 4

Female threads

Storz size	Lug distance (mm)	Connection size (inch)
25-D	31	G 1/2
25-D	31	G 3/4
25-D	31	G 1
32	44	G 1
32	44	G 1-1/4
65	51	G 1-1/4
65	51	G 1-1/2
52-C	66	G 1
52-C	66	G 1-1/4
52-C	66	G 1-1/2
52-C	66	G 2
52-C	66	G 2-1/2
65	81	G 2
65	81	G 2-1/2
65	81	G 3
75-B	89	G 2
75-B	89	G 2-1/2
75-B	89	G 3
90	105	G 3
100	115	G 4
110-A	133	G 4
110-A	133	G 4-1/2

Features

Quick Connection:

Tool-free installation saves time and increases operational efficiency.

Superior Sealing:

Leak-proof design withstands high pressure and temperature.

Manufacturing

Precision Machining

All Storz couplings are produced using advanced CNC and casting techniques. This ensures tight tolerances, consistent thread quality, and smooth surfaces for reliable connections.

Material Processing

High-quality aluminum, stainless steel, or brass undergo strict processing to maintain hardness, strength, and corrosion resistance, meeting demanding industrial standards.

Surface Treatment

Optional treatments such as anodizing, electroplating, or powder coating enhance corrosion resistance, improve appearance, and extend product lifespan.

Quality Control in Manufacturing

Each step of machining is monitored for accuracy and consistency.

Quality Inspection Process

Raw Material Inspection:

Checks hardness, composition, and surface treatment.

Dimensional Accuracy:

Critical interface tolerances are verified.

Pressure Testing:

Water and air pressure tests confirm performance.

Corrosion & Durability Tests:

Salt spray and wear tests assess long-term use.

Final Inspection:

Comprehensive factory inspection ensures defect-free delivery.

Certifications

ISO9001 Quality Management System certified

CE / UL / SGS international certifications

Compliance with industrial and firefighting standards (e.g., EN 14420)

Safe and eco-friendly materials approved

Customization Services

01.

Size Customization:

Non-standard diameters or lengths tailored to requirements.

02.

Material Selection:

Aluminum, stainless steel, or brass for specific environments.

03.

Surface Treatment:

Options include anodizing, electroplating, or coating.

04.

OEM/ODM:

Private labeling and customized branding available.

FAQ

Q: What pipe diameters do Storz couplings support?

A: They fit a wide range of standard and non-standard diameters.

Q: What is the maximum working pressure?

A: Varies by material and model, typically up to high industrial standards.

Q: Can I order small quantities or customized products?

A: Yes, we support small batch and custom orders.

Q: How long is the delivery time?

A: Standard orders are shipped promptly; customized products depend on specifications.

Q: How do you ensure product quality?

A: Every coupling undergoes strict inspection from raw material to final packaging.

Suzhou Fuyikang Metal Industrial Co., Ltd is well-known as one of the leading storz coupling manufacturers and suppliers in China. Welcome to wholesale high quality storz coupling for sale here and get pricelist from our factory. Customized orders are welcome.

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