Storz Self Locking Internal Thread Coupling

Storz couplings, also known as Storz connections, are a type of hose coupling that allows for rapid and tool-free connection and disconnection. These are widely used in firefighting and water supply applications due to their ease of use, reliability, and the quick connection they provide. They are also used in other industries where transferring large amounts of water or other fluids through hoses is required, such as in agriculture, industrial, and marine contexts.

Key features of a Storz Self-locking Internal Thread Coupling include:

1. Storz Design:

   • Storz couplings have a symmetrical design, allowing for connection without concern for the orientation of the halves.
   • They consist of two identical ends that are connected by inserting and twisting them together.
   • Each end has interlocking hooks and flanges.

2. Self-locking Mechanism:

   • A self-locking Storz coupling includes an integrated locking device.
   • The locking mechanism prevents accidental disconnection of the coupling during use. Once connected, the lock engages and holds the halves together until manually released.

3. Internal Thread:

   • These couplings have an internal (female) thread that allows them to be screwed onto a matching external thread (male thread) found on pipes, adapters, or other fixtures.
   • The internal threading offers additional security and ensures a leak-free connection when properly tightened.

4. Standardized Sizes:

   • Storz couplings are standardized and come in various sizes. The sizes are often denoted by the distance in millimeters between the lugs (the small protrusions used to align and secure the coupling halves).

5. Materials:

   • Storz couplings can be made of lightweight and durable materials like aluminum or brass, sometimes with stainless steel parts for the locking mechanism, to offer corrosion resistance and mechanical robustness.

6. Applications:

   • Beyond the fire service, Storz couplings are also used for industrial applications, in the transfer of chemicals, oil and gas, potable water, and other fluids that require quick and reliable connections.

7. No Gendered Ends:

   • Unlike traditional hose couplings that have distinct male and female parts, Storz connections are genderless, allowing any two Storz ends to connect.

When installing or using a Storz self-locking internal thread coupling, it is important to ensure that the threads and the Storz connection match in size with the corresponding pieces of equipment to create a proper seal and maintain the integrity of the connection.

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Pictures	Size					Main Material
	D1	D	L	d	Specs	Material
	Φ220	Φ280	60	M215*3	8″	Aluminium Alloy
	Φ278	Φ339	64	M285*4	10″	Aluminium Alloy
	Φ316	Φ386	68	M310*4	12″	Aluminium Alloy
	Φ366	Φ450	78	M380*4	14″	Aluminium Alloy