What Is The Difference Between BW and CW Cable Glands - Yueqing Jixiang Connector Co. , Ltd.
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What Is The Difference Between BW and CW Cable Glands

Aug 7, 2023

Selection of the right cable gland, a small decision as it may seem, can have a far-reaching impact on the entire project.
Do you have such a question: Should I choose BW or CW Cable Glands?

 

There have many common point between BW and CW Cable Glands:
Both the BW and CW Cable Glands are used to provide clamping of the armored wire to ensure electrical continuity and mechanical retention of the cable.
Both the BW and CW Cable Glands are quite handy in use with various types of cable whether plastic, rubberized, metal or any other.
Both the BW and CW Cable Glands can come complete with earth tag and PVC shroud.

As far as the difference of the BW and CW Cable glands is concerned, it is to a large extent dependent on the area in which it is used.
The BW cable glands is used for indoor application when a waterproof seal is not required.
The CW cable glands is used for outdoor applications and where necessary to provide an IP66 or IP67 seal with the outer sheath of the cable.
To know more about the BW and CW Cable Glands, you also need to familiar with the important

 

accessories of them:

 

Earth Tag

Earth tag is used with cable glands to provide an earth / bonding point.
It’s meaning in the event of a fault or short-circuit the most direct route to ground will be achieved.
Earth tag is available in various shape and in all sizes, also can be coated or plated as per Customer Specification.

 

PVC Shroud

PVC Shroud can provide additional protection and enhances IP rating of the cable gland.
It can effective solution to weather and corrosion protection of a cable gland.
PVC Shroud is available in same gland size compatible to each size of the cable gland.
And the arrow end of the sleeves is easy cut with a knife, make it to be slipped over a wide range of cable diameters and assists ease of installations.
Armed with a fair understanding of the relative merits and demerits of BW and CW Cable glands, it can ensure that you make the right choice.
We manufacture a range of Cable Glands that are being used successfully in a variety of industries.
Pls feel free to contact us for a quick quote!

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Function application and classification of the cable gland
Function application and classification of the cable gland
[vc_row][vc_column][vc_column_text]Function The main function of waterproof cable gland is to seal the cable. When the cable leaves the factory, both ends are sealed, but when laying or connecting, its ends must be cut open, which destroys its tightness. If the end of the cable is not sealed during laying or the quality of the cable head is unqualified, the cable head will leak oil, and finally the insulating oil will dry up, and the insulation performance will be greatly reduced, affecting the safe operation of the cable. The cable gland is also used to lock and fix the incoming and outgoing lines, which plays the role of waterproof, dustproof and anti vibration.[/vc_column_text][vc_column_text][/vc_column_text][vc_column_text]Application Waterproof cable gland is a kind of connecting device often used in power system. It is mainly used in outdoor products, medium and large-scale remote control machinery, and the equipment whose body is in the outdoor control system is not on the body. For example, waterproof cable glands are used in chemical plants,lighting industry, oil industry,wire pole, base stations of telecommunications networks,solar, wind, tide energy and factories with a high degree of automation. [/vc_column_text][vc_column_text]Classification
  1. According to the installation site, it can be divided into indoor type and outdoor type.
  2. According to the production and installation materials, it can be divided into heat shrinkable type (the most commonly used one), dry package type, epoxy resin pouring type and cold shrinkable type.
  3. According to the core material, it can be divided into copper core power cable gland and aluminum core power cable gland.
  4. According to the cable gland material, it is divided into nylon cable gland and metal cable gland.
[/vc_column_text][/vc_column][/vc_row]
How to Find High Quality Nylon Cable Gland?
How to Find High Quality Nylon Cable Gland?
[vc_row][vc_column][vc_column_text]Are you looking for nylon cable gland but don’t know how to select the high quality one? However, the things will become easier if you notice follwing points. Choosing the Right nylon cable gland It can be found users in different industries are certain differences in the basic requirements of nylon cable gland for business. There have various nylon cable gland in the market to meet any requirements. Thus, you need to familiar with it and choose the most suitable one. The following are common types: Standard Nylon Cable Gland Extremely easy installation, simply insert cable through the assembled gland and tighten gland locknut until cable is secured. Long Thread Nylon Cable Gland Specially designed to lengthen thread length,suitable for thick board Multi Hole Nylon Cable Gland Used for 2 or above 2 cable, to make sure each wire to get the best waterproof insulation and not intertwined. 90 degree Nylon Cable Gland It have a right angle shape to guide a bend-sensitive cable and provide strain relief Spiral Nylon Cable Gland It featuring a flexible section to withstand the rigors of continuous flexing and bending. Moreover, Explosion-proof nylon cable gland, Breathable nylon cable gland etc. Although, the types of nylon cable gland are not as much as metal cable gland now. Never mind, as constant updates, more categories will emerge.   Nylon Cable Gland are assembled from several standard parts. Including:
  • Lock Nut
  • Washer
  • Body
  • Seal
  • Claw
  • Sealing Nut
Usually, the lock nut, body, claw and sealing nut are made of Nylon. The rest of the washer and seal are made of NBR or EPDM rubber. There is no doubt that the materials plays a crucial role in determing the quality of the nylon cable gland. One of the most important indicators is the flammability of Nylon. UL 94 (Underwriters Laboratories test standard UL 94) is one of the most widely used flammability tests for determining relative flammability. UL 94 V-2 is the normal requirement for nylon cable gland. Your higher requirement is achievable, in return, you have to pay higher prices. [/vc_column_text][vc_column_text]
Class Orientation of Test Sample Definition Time of Burn Allowed Particle Drop Allowed plaque Holes
Flaming Non-Flaming
UL 94 HB Horizontal Slow Burning Burning rate of less than 76mm/min for a specimen less than 3mm thick and burning stops before 100mm
UL 94 V-2 Vertical Burning Stops 30 seconds Yes Yes
UL 94 V-1 Vertical Burning Stops 30 seconds No Yes
UL 94 V-0 Vertical Burning Stops 10 seconds No Yes
UL 94 5VB Vertical Burning Stops 60 seconds No No Yes
UL 94 5VA Vertical Burning Stops 60 seconds No No No
[/vc_column_text][vc_column_text]Find a Prefect Manufacturer You will get twice the result with half the effort when you have a good partner. Remember to choose a real manufacturer of nylon cable gland not a trader or a agency. It means you can get lower prices and lead times shorter. Good News You have a lot of factory options. Bad News How do you choose the best partner for you among all kinds of nylon cable gland manufacturers? Consider the capability of the manufacturers The supply ability is most important. When you visist or watch the video of the facory’s workshop remind to notice the numbers of machine, it will tells the supply capacity. Meanwhile, the cleanliness of the office area and professional sales also reflects the strength of the company. Some of the famous standards shoulde comply by nylon cable gland manufacturers CE certificate The CE mark indicates that the product may be sold freely in any part of the European Economic Area. ROHS certificate It restricting the use of hazardous substances in electrical and electronic equipment to protect the environment and public health. ISO quality management system certificate It helps ensure that customers get consistent, good-quality products and services. IP68 waterproof certificate IP, or Ingress Protection, is a universally accepted measurement of varying degrees for dust and liquid resistance. UL approved Nylon materials the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing. Consider the compatibility between you and factory In the process of choosing nylon cable gland manufacturers, do not blindly adhere to the large manufacturers. Large manufacturers tend to reply on large customers for service. It is often difficult for small customers to get benefit from them. Such as you fail to meet their MOQ . Consider manufacturer’s product category scope If you don’t want to be a lab rats for a factory trying out a new product type for the first time. Better to find a factory who is specialized in just cable gland or nylon cable gland area. Oppositely, factory with multiple product categories will resemble a shopping mall. You can purchase what you want all at once, like buy nylon cable gland when you buy the cables. The balance of save time or cost, it’s up to you. Conclusion The nylon cable gland is an important component of electrical installations. It will protect electrical components against mechanical and environmental forces. It will safeguard your electrical project with commercial grade strain relief. Do you think you are ready to find the best nylon cable gland? Is so, thank you for reading and good luck for you. If any questions related to nylon cable gland, please feel free to contact us. [/vc_column_text][/vc_column][/vc_row]
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