China Stainless Steel Butterfly Handle Hose Clamp | German Type, 304/201, for Automotive & Marine Manufacturers, Supplier

This German-style hose clamp features a butterfly handle for quick, tool-free tightening and loosening. Its non-perforated band provides 360° even pressure, protecting soft hoses from damage while ensuring a leak-proof seal. Made from stainless steel 304 or 201 with a polished finish, it offers excellent corrosion resistance for automotive, marine, and agricultural applications. Available in 9mm and 12mm bandwidths, covering clamping diameters from 8mm to 170mm. Backed by Glorex’s quality control and flexible customization options.

Product Description

Quality Control
Our factory operates with a complete inspection system and high quality standards, with skilled workers on every production line.
Customization
We offer flexible packaging options (from standard poly bags to custom color boxes) and lettering (stencil or laser engraving).
Efficient Logistics
We have long-term partnerships with major logistics companies and ports (Xingang, Dongjiang) to ensure fast delivery.

This German-style Butterfly Handle Hose Clamp combines the reliable sealing performance of a worm-drive clamp with the convenience of a thumb-operated handle. It is engineered for applications where quick adjustments and secure fastening are essential, eliminating the need for separate tools during installation or maintenance.

The design features a non-perforated band that provides 360-degree sealing pressure. This protects soft silicone or rubber hoses from being crushed or cut, ensuring the integrity of your connection and preventing leaks under fluctuating pressure.

Key Features & Advantages
Tool-Free, Quick Installation

The integrated butterfly handle allows for rapid tightening and loosening by hand, significantly reducing assembly time in the field or on the production line.

Superior Hose Protection

The smooth, non-perforated inner surface of the band ensures uniform clamping force, protecting hoses from damage and maintaining a stable, leak-proof seal.

Durable, Corrosion-Resistant

Crafted from high-quality Stainless Steel 201 or 304 with a polished finish. This offers excellent resistance to rust and corrosion, ensuring a long service life even in demanding environments like marine or agricultural settings.

Reliable, Vibration-Proof

The precision-engineered worm drive mechanism ensures a tight, secure grip that remains locked in place, resisting loosening caused by vibration.

Dimensions & Specifications

Our clamps are available in two distinct bandwidths to suit different hose types and pressure requirements. Below are the standard size ranges. Please refer to the detailed specification table for the full list.

Dimensions (mm) Bandwidth Thickness (mm) Dimensions (mm) Bandwidth Thickness (mm)
8-12 9mm 0.6 10-16 12mm 0.6
10-16 9mm 0.6 12-20 12mm 0.6
12-20 9mm 0.6 16-25 12mm 0.6
16-27 9mm 0.6 20-32 12mm 0.6
20-32 9mm 0.6 25-40 12mm 0.6
25-40 9mm 0.6 32-50 12mm 0.6
32-50 9mm 0.6 40-60 12mm 0.6
40-60 9mm 0.6 50-70 12mm 0.6
50-70 9mm 0.6 60-80 12mm 0.6
60-80 9mm 0.6 70-90 12mm 0.6
70-90 9mm 0.6 80-100 12mm 0.6
80-100 9mm 0.6 90-110 12mm 0.6
90-110 9mm 0.6 100-120 12mm 0.6
100-120 9mm 0.6 110-130 12mm 0.6
110-130 9mm 0.6 120-140 12mm 0.6
120-140 9mm 0.6 130-150 12mm 0.6
130-150 9mm 0.6 140-160 12mm 0.6
140-160 9mm 0.6 150-170 12mm 0.6
Note: A 0.6mm thickness ensures robust strength while maintaining flexibility for a secure fit.
Material W1 W2 W4 W5
Band Zinc plated 200ss/300ss 300ss 316
Housing Zinc plated 200ss/300ss 300ss 316
Screw Zinc plated Zinc plated 300ss 316
Applications
Automotive Fuel lines, radiator hoses, coolant systems, vacuum lines.
Agricultural Irrigation equipment, sprayers, chemical transfer lines.
Marine Bilge pumps, fuel lines, water systems, deck wash hoses.
General Industry Pneumatics, dust collection systems, general hose and tube fastening.
Frequently Asked Questions (FAQ)
Q: What are the benefits of a butterfly handle hose clamp?
A: The integrated butterfly handle allows for quick, tool-free installation and adjustments. It is perfect for applications requiring frequent maintenance or rapid field assembly.
Q: How does the clamp prevent damage to soft hoses?
A: The design features a non-perforated band with a smooth inner surface. This delivers uniform 360-degree sealing pressure without crushing, cutting, or damaging soft silicone or rubber hoses.
Q: What materials are these clamps made from?
A: They are crafted using high-quality materials including Zinc Plated steel, Stainless Steel 200/300 series, W4 (300ss), and W5 (316ss) to meet various durability and corrosion resistance requirements.
Q: Can these clamps withstand vibration?
A: Yes. The precision-engineered worm drive mechanism provides a secure, vibration-proof grip that resists loosening even in high-vibration automotive or industrial environments.
Q: Do you offer customization options?
A: Yes, we provide flexible packaging (from standard poly bags to custom color boxes) and custom lettering on the clamps via stencil or laser engraving.

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