DU-6-S DK-LOK Od Tube Union Fitting

Review DK-LOK 3/8 Od Tube Union Fitting 316ss

The DK-Lok Du-6-S 3/8OD tube union fitting in 316SS is a high-performing, reliable solution for joining and disjoining tubing systems in various industrial applications. This union fitting is manufactured by DK-Lok, a renowned brand known for its innovative and durable products.

This particular model, Du-6-S, is designed for 3/8 inch outer diameter (OD) tubing. The 316SS material used in its construction makes it an excellent choice for applications that require corrosion resistance and strength. 316SS, also known as 1.4401 or 1.4436, is a grade of stainless steel that contains molybdenum, making it highly resistant to pitting and crevice corrosion in chloride environments.

The DK-Lok Du-6-S union fitting is a double-welded design, which ensures a secure and leak-free connection. It features a self-aligning, full-contact face that allows for easy and accurate alignment during installation. The unique DK-Lok design eliminates the need for torque wrenches or specialized tools for disassembly, saving time and labor costs.

The union fitting is also equipped with a patented dual-seal system that provides an additional layer of protection against leaks. This system includes a primary O-ring for sealing the tubing and a secondary backup ring for added security.

The DK-Lok Du-6-S 3/8OD tube union fitting in 316SS is suitable for a wide range of industrial applications, including HVAC, oil and gas, power generation, and chemical processing. Its corrosion-resistant properties make it an ideal choice for applications involving harsh environments and aggressive chemicals. With its robust design, easy installation, and reliable sealing, this union fitting offers excellent value and performance for your industrial tubing needs.

The DK-Lok Du-6-S 3/8 od tube union fitting 316ss is a type of pipe fitting used to join two pipes or a pipe to a valve or other equipment. Here are some pros and cons of buying this particular fitting:

1. High-quality material: This fitting is made of 316ss (316 stainless steel), which is known for its corrosion resistance and durability. It is often used in harsh environments where other materials may fail.

2. Leak-free connection: The DK-Lok union fitting is designed to provide a leak-free connection. It uses a unique locking mechanism that allows the user to make a connection without the need for welding or threading.

3. Easy to install: The union fitting is easy to install and can be done in a few simple steps. This can save time and labor costs compared to other methods of pipe joining.

4. Can be used for a variety of applications: The 3/8 od (outside diameter) size of this fitting makes it suitable for use in a wide range of applications, from small-scale plumbing projects to larger industrial applications.

1. Cost: The cost of this fitting is higher than some other types of pipe fittings, due to its high-quality material and the advanced technology used in its design.

2. Size limitations: While the 3/8 od size is commonly used, it may not be suitable for all applications. Larger or smaller sizes may be required, which could necessitate the purchase of different fittings.

3. Limited compatibility with some materials: While the 316ss material is suitable for use with a wide range of fluids and gases, it may not be compatible with all materials. For example, it should not be used with strong oxidizing agents or reducing agents.

The DK-Lok Du-6-S 3/8 od tube union fitting 316ss is a high-quality, leak-free pipe fitting that is easy to install and suitable for a wide range of applications. However, it comes with a higher cost than some other types of fittings, and may not be compatible with all materials. Ultimately, the decision to purchase this fitting will depend on the specific requirements of your project and your budget.

If you need a high-quality, leak-free pipe fitting for a harsh environment or a critical application, and you have the budget for it, the DK-Lok Du-6-S 3/8 od tube union fitting 316ss is a good choice. However, if cost is a concern or if you need a larger or smaller size, you may want to consider other options. It is always important to carefully consider the specific requirements of your project and choose the fitting that is best suited to your needs.

Details:

New - old stock, 3/8 od tube union fitting, 316ss, Dk-lok DU-6-S, Sb-1-13 fitting.

specifications pipehosefit:

• brand: Dk-lok
• mpn: Du-6-s
• end b diameter: 3/8 In
• end a-to-end b gender: Female-to-female
• type: Compression Fittings
• fitting shape: Straight
• material: Stainless Steel
• country of origin: United States
• end a-to-end b: Compression-to-compression
• california prop 65 warning: Dont Eat Probably Not Good For You

payments pipehosefit:

• wallet: apple-pay
• other
• credit card: diners-club

general pipehosefit:

• category: Business & Industrial > Adapters > Pipe Hose > Compression Fittings

seller pipehosefit:

• rating: 99.6%
• # reviews: 17439
• city: lebanon, ohio

shipping pipehosefit:

• carrier: usps, ups
• transit: 2-4 days
• type: calculated
• class: standard, expedited
• service: usps ground advantage, usps priority mail, usps priority mail small flat rate box, ups 2nd day air

returns pipehosefit:

• policy: returns accepted
• time: 30 days
• method: money back
• paid by: buyer

offer pipehosefit:

• sold #: 6
• started: april 27, 2026
• options: ship-to-home
• availability: in stock
• in stock #: 3
• prices: $8.00–$75.00
• item condition:
  • New
  • New – Open box
  • Used