As a professional Hose Clamp Manufacturer, Xuanyuan has different types of Hose Clamps with different materials, including Metal Hose Clamp, Stainless Steel Hose Clamps(or SS Hose Clamp), T Bolt Clamp, Heavy Duty Hose Clamp, and Quick Release Hose Clamps with red rubber.  Xuanyuan Hose Clamp includes all common sizes and works mainly as the Air Hose Clamp.  Whether Small Hose Clamps or Large Hose Clamps, Xuanyuan can offer you all.

The Hose Clamp is an indispensable HVAC Ducting accessories.  The common style of Xuanyuan Hose Clamp is American Style. The stripe material and screw material of it can be in galvanized steel or stainless steel, both of which is corrosion resistant and heat resistant.  This Hose Clamp is widely used for different Flexible Ducts, so it is also called Flexible Hose Clamp.  When connecting the Flexible Duct with the blower, or exhaust pipe, the Hose Clamp can securely fix it on the connection parts.

As an expert Hose Clamp Supplier, Xuanyuan is trying our best to make your purchasing more convenient.  For an example, based on some customers’ requirement, Xuanyuan is adding two pieces of Hose Clamps for lots of our Flexible Ducts as a kit.  This makes it easier for the end customer when setting up.  As the leading Stainless Steel Hose Clamps Manufacture, Xuanyuan Stainless Steel Hose Clamp work in different ways in the HVAC ducting.

When covering the insulation around the Spiral Duct or Welded Duct, Xuanyuan Hose Clamp is a good tool to securely fix the insulation layer on the duct.  If you need to cover the SS Jacket over the insulation layer, our Duct Hose is also the right choice.  Xuanyuan also has the Quick Release Hose Clamp, which is widely used in the Spiral Ducting connection.  It is very easy to set up with a knuckle.

In addition, there is a hot temperature resistant rubber seal inside which will make the duct connection totally sealed and airtight.  This Hose Clamp ranges from 80mm to 600mm for the diameter and the galvanized steel part thickness is 1mm.

Welcome to contact us for details.

Product	Hose Clamp
Size	80-600mm
Material	Galvanized steel, stainless steel
Thickness	1mm, 1.2mm

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Hose Clamp: The Ultimate FAQ Guide

What is a Hose Clamp?

Hose clamps are accessories used to fasten hoses or flexible ducts to a duct or fitting.

You do this by placing the clamp around the flexible duct or hose, directly over the HVAC fitting.

 Hose Clamp

As you tighten the hose clamp, it fastens the inner diameter of the duct or hose to the fitting.

The design of a hose clamp enables it to fasten a hose or flexible tubing over a fitting, thus stopping the fluid moving across the hose or flexible duct from leaking at the joint.

What is Hose Clamp Used for?

Primarily, hose clamps are used to fasten hoses and flexible tubing to ducts and fittings.

They commonly find applications in securing flexible ducts and hoses in HVAC systems, fastening lines in home plumbing systems and tightening hoses in automotive systems.

Hose clamps as well function well in other circumstances where you want a tough band clamp, such as applications where a duct tape or zip tie might be utilized.

You can equally use them for a number of non-hose applications, such as attaching or joining two objects together.

How do you determine the Size of Hose Clamp?

The size of the hose clamp notes their clamping diameter range, which is denoted as maximum and minimum useable diameter, usually measured in inches.

Hose clamps provide a range from their loosest to tightest configurations.

You will need to select a clamp where the average is the diameter of your flexible duct or hose.

Hose clamp size

The first step you should take is establishing the precise diameter of the hose or flexible duct that you want to use the clamps on.

To determine the size of the hose clamp required

1. Install the hose or flexible ducting on the fitting or duct, which as a result expands the hose or flexible duct.
2. Measure the outside diameter of the flexible duct or hose, then choose a hose clamp that fits that diameter in about the medium of its range.
3. If you know the outside circumference of the installed flexible duct or hose, divide it by 3.14 (pi) to change circumference to diameter.

Manufacturers produce hose clamps meant to work over a particular diameter range.

It is crucial that the diameter of the flexible duct you need to clamp fallen within this working range.

How are Hose Clamps Tightened?

To make sure there is a tight seal and stop leakages, hose clamps must put adequate clamping force for the pressure within the duct.

It needs to apply the clamping force equally about the diameter of the hose or flexible duct and the barb should be smooth, free of scratches, nicks, or contamination.

Let’s look at the steps on how to install hose clamps.

Step 1

Enlarge the hose clamp by spinning the screw counterclockwise. Make sure it is large enough to slip over the flexible duct or hose.

Step 2

Slip the hose clamp over the flexible ducting or hose.

Step 3

Slip the hose over the duct or fitting that you require it to attach to.

Step 4

Slip the hose clamp over the connection between the hose or flexible duct and the fitting.

Rotate the screw clockwise to shrink the hose clamp about the hose to the needed tension.

Tip

When enlarging the hose clamp, if you continue rotating the screwdriver counterclockwise ultimately the clamp opens wholly.

This enables you to enclose it about flexible ducts or other fittings without the need to slip it over the end.

When ready to clamp, thrust the end of the band back into the groove it came out of and rotate the screw clockwise.

What Types of HVAC Hose Clamps are there?

There exist different types of hose clamps in the market.

Let’s explore the ones commonly used in HVAC applications and projects.

1. Band Clamps

A band clamp features a long, flexible band or straps to secure a hose or flexible tubing in place.

This type of hose clamp is appropriate for fastening irregularly shaped or large fittings since the design of the strap enable it to surround the entire workpiece.

In addition, its flexibility implies that you can use it in various shapes and sizes.

These hose clamps have a smooth inside diameter to give an even clamping surface that consequently avoid a leak path.

On most of the models, there is a uniform tightening of the band or strap from both ends, implying equal distribution of pressure around the duct or hose.

This prevents damaging of the ducts and fittings.

The strap locks itself during tightening, which gives uniform tension for a strong grip on the clamped hose or flexible duct.

2. Ear Clamps

An ear hose clamp features a circular band having single or more “ears” or fabricated closing elements.

You close the ears using a pincer tool, leading to the tightening of the ear clamp around an HVAC duct or hose.

The process of tightening permanently deforms the ears, this makes ear hose clamp a tamper-resistant clamp.

You can use ear clamps to secure HVAC flexible ducts, electrical cables, plastic tubing, air hoses and rubber hoses among other materials.

3. Wire Clamps

These types of clamp are meant for heavy-duty clamping.

Wire clamps are fabricated from bent steel that encloses around in a pre-determined size.

They have eyelets on both sides of the clamp, via which you place a screw and fasten until you attain the desired tightness.

4. Spring Hose Clamps

Spring clamps are mostly manufactured from a strip of spring steel.

They are cut in such a manner a small protrusion is centered at the end of one side, with the other side having a pair of small protrusions on both sides.

The protrusions have their ends bent outwards, and the strip-shaped to form a ring, with obtruding tabs interlocking.

To use a spring hose clamp, you press the exposed tabs towards each other, usually using pliers.

This increases the diameter of the ring, and then you slide the clamp into the duct or hose, past the section that will fix onto the duct or fitting.

You then fix the hose or flexible duct onto the fitting or ductwork.

Then, expand the clamp again, slide it onto the section of the hose or duct over the fitting, then release the clamp that eventually presses the hose onto the fitting.

5. Snap Close or Ratchet Hose Clamp

Also referred to as snap grip hose clamps, ratchet-style clamps give a tough, reliable connection for your ductwork and piping applications, including HVAC duct systems.

This type of hose clamp is unique due to its row of interlocking teeth that ensures strong grip on the fitting or hose.

Snap close hose clamps with a double row of teeth provide extra strength compared to similar clamp type with single row teeth.

To install ratchet hose clamp, simply position the clamp around the hose or duct, interlock the first few teeth, and then compress the jaws together to fasten.

When you want to remove the hose clamp, simply twist its jaws sideways which as a result disengages the teeth and unfastens the clamp.

Ratchet hose clamps can be reused without losing their performance.

6. T-bolt Band Clamps

Also called Those clamps or T-bolt hose clamps, these are a hose and ductwork clamps instrumental in sealing fluid connections on flexible ducts and hoses.

These types of hose clamp feature at-bolt tightened by a hex-nut, and give an even sealing pressure around the duct or hose for a firm seal.

T-bolt hose clamp comes in different sizes from relatively small to very large and you can use them on most types and sizes of hose or ducting, based on the application.

To match common duct and hose diameters, T-bolt band clamps are usually available in standard sizes.

Heavy-duty Those clamps commonly find use in large diameter and high vibration applications.

These may include industrial machinery, agricultural irrigation, heavy trucks, off-road equipment, and HVAC duct systems among many other applications.

Some types of T-bolt band clamps are fabricated for distinct hose, for instance, silicone hose clamps which hinder hose cover extrusion.

7. V-band Clamps

V-band clamps feature a “V” profile for bringing together two mating flanges.

These types of hose clamp come in many varying styles and configurations, and their main purpose is to connect piping, ducting and other enclosures.

V-Band Clamps provide firm fastening solutions in a broad range of applications comprising of exhaust systems, engines, filters, and HVAC duct systems among others.

Due to the ease in assembling and disassembling of V-Band Couplings, they commonly find use on equipment that needs frequent maintenance or service.

8. Worm Drive Hose Clamps

This type of hose clamp features a worm drive type device for tightening comprising of a screw and series of slits in the hose clamp.

As you tighten the screw, the threads intermesh with the slits and tighten the band, fastening it onto the hose or duct.

Worm drive hose clamps are liked since they are variable, easy to use and need no special tools.

You only require a nut driver, socket wrench or screwdriver to either install or remove them.

9. Quick Release Hose Clamp

A quick-release hose clamp normally has a hinged snap or latch for quick disassembly.

Though worm drive and other types of screw hose clamps are oftentimes termed quick release since you can easily remove them using screwdriver.

Quick-release band clamps widely find use in the home and automobile applications with modest pressures, as well as beverage, agriculture, irrigation, and marine applications, among others.

The most popular type of quick release band clamp utilizes a toggle latch to lock.

The snap-lock quick release hose clamp comprises a screw, bridge, housing, and band, and the majority use worm gear assemblies.

Certain quick release hose clamps feature gaskets and their design enables them to mount over couplings.

Although the types of hose clamps highlighted above are the most popular, many other specialty types of clamps are available.

How do You Specify Hose Clamp for HVAC Applications?

When specifying a hose clamp to your manufacturer or supplier, here is the key information that you must communicate to ensure you get the hose clamp of your choice.

What is the Difference between Hose Clamp and Hose Clip?

Like we’ve already mentioned above, a hose clamp is utilized to tighten hoses or ducts at connection joints, for example, the point where you have inserted the hose or flexible duct to the fittings.

 HVAC Hose clip

On the other hand, a hose clip is an accessory whose role is to support the overhanging parts of a hose, in order to reduce its movement.

Typically hose clips are fixed or inserted on rigid components.

Are Hose Clamps Reusable?

Of course, you can reuse hose clamps if they are in good shape.

Before reusing your hose clamps, you need to first inspect them to make sure they have no tension or rust.

Is there a Maximum Pressure Rating for HVAC Hose Clamps?

Yes, most manufacturers put maximum pressure ratings for their hose clamps.

Nonetheless, to give a maximum working pressure figure without understanding all the related variables could give a false sense of security.

This may result in premature breakdowns and easily avoidable problems.

The hose clamp is only one among the many components that make up a complete hose connection.

A number of variables influence the safe working pressure of a hose coupling, comprising of:

• Rating, diameter, and type of the hose
• system temperature and temperature fluctuation
• fluid being transmitted

When considering hose clamps for a fluid connection it is crucial to remember the issued pressure ratings are for the accessory tested individually.

Therefore, you need to get additional information to make sure they are appropriate for the specific project and compatible with one another.

How Does British Standard and American Standard for Hose Clamp Compare?

BS5315:1991isthe British Standard for the production of hose clamps (worm drive clamp type) for general purpose application (metric series).

It is the only standard that employs a pressure test and is globally considered as the strictest Standard for a hose clamp in the world.

To have the Kitemark™ the hose clamps must as well pass independent testing.

On the other hand, SAE Standard J1273 is an American standard.

It provides guidelines for selection, routing, manufacturing, installation, substitution, maintenance, and storage of duct hose and hose accessories for hydraulic fluid power systems.

Most of these SAE Recommended guidelines also may be fit for other hoses and systems.

Does Xuanyuan Provide Quick Release Hose Clamps?

Yes, Xuanyuan manufactures Quick Release Hose Clamp, which largely gets used in a spiral duct connection.

Xuanyuan quick release hose clamp has a knuckle that makes it very easy to install.

 Quick-release hose clamp

Can Xuanyuan Manufacture Custom Hose Clamps?

Yes, Xuanyuan can manufacture custom hose clamps.

We can fabricate exactly as per your hose clamp specifications and requirement.

As accomplished Hose Clamp Supplier, we at Xuanyuan are doing our best to guarantee you a convenient purchasing.

Xuanyuan Manufactures Hose Clamps from What Material?

As the leading hose clamp manufacturer, Xuanyuan mainly uses galvanized steel and stainless steel to make their hose clamps, which function in different ways in the HVAC ductwork system.

The two materials are the right choice due to their corrosion and heat resistance features.

Can You Use Xuanyuan Hose Clamps with Insulation Layer?

Yes, Xuanyuan hose clamps are suitable HVAC accessories to use when mounting the insulation around the welded duct or spiral duct.

You can use the hose clamps to firmly fasten the insulation layer on the ducting.

Additionally, our duct hose clamp is as well a suitable option in case you want to cover the SS jacket above the insulation layer.

Does Xuanyuan have Size Limitations for Hose Clamps?

No, Xuanyuan Hose Clamps consists of all common sizes and functions primarily as air hose clamps.

Xuanyuan can supply you with all sizes, be it small or large hose clamps.

How Does Xuanyuan Control Quality of Hose Clamps?

Xuanyuan’s quality control team ensures that every hose clamp produced by us is made from high-quality steel material.

We guarantee top standard through our modernized manufacturing and assembly facilities, and quality control system prior to shipment.

This results in high-quality hose clamps, which offer firm fastening force and exceptional endurance.

Are Xuanyuan Hose Clamps Lightweight?

Xuanyuan hose clamps have a simple, compact and lightweight designs that guarantees firm tightening in any type of application.

Can Xuanyuan Hose Clamp Working with all Ventilation Duct Systems?

Absolutely, Xuanyuan hose clamps are versatile duct accessories making it possible to use them in all ventilation duct systems, whether exhaust, supply or balanced ventilation system.

What are the Common Materials for Hose Clamp?

Different materials are used for the manufacture of hose clamps.

The most common hose clamp material is carbon steel.

However, if corrosion is a concern then stainless steel is the better alternative.

Other less common hose clamp materials include:

• Aluminum
• Brass
• Plastic

How to Achieve the Air Tightness for Air Duct Hose Clamp?

To ensure airtightness, duct hose clamps have a high-temperature resistant rubber seal fitted within which makes sure the duct connection is completely sealed and airtight.