B-1010-6-6 SWAGELOK Reducing Union Od Tube

Review SWAGELOK Brass Reducing Union 5/8 Inch Od Tube 3/8

The Swagelok B-1010-6-6 reducing union is a versatile and reliable pipe fitting solution designed for use with 5/8 od (outside diameter) 300 series stainless steel tubing and 3/8 inch NPT (National Pipe Thread) male ends. This union features Swagelok's proven B-Series design, which is known for its superior sealing performance and durability.

The Swagelok B-1010-6-6 reducing union is specifically engineered as a reducing connection, enabling the user to connect tubing of different sizes while maintaining a secure and leak-free seal. The union body is made from high-quality, corrosion-resistant 316L stainless steel, ensuring that it can withstand the demands of various industrial and process applications.

This union is equipped with Swagelok's patented compliant seal design, which utilizes a soft, compressible elastomeric material to create a tight seal between the mating surfaces. The compliant seal provides excellent sealing performance in a wide range of temperatures and pressures, as well as resistance to vibration and thermal shock.

The male ends of the union are threaded with NPT threads and are designed to be easily hand-tightened, ensuring quick and efficient installation. The union also includes Swagelok's proven expansion joint technology, which allows for thermal expansion and contraction while maintaining a leak-free seal.

Additionally, the Swagelok B-1010-6-6 reducing union is manufactured in accordance with ASME B16.34 and ASME B16.11 standards, ensuring that it meets the highest standards for materials, design, and manufacturing. This union is also available in various other sizes, making it a versatile and comprehensive solution for a wide range of piping applications.

Overall, the Swagelok B-1010-6-6 reducing union is a high-performance, reliable, and corrosion-resistant pipe fitting solution that is perfect for use with 5/8 od 300 series stainless steel tubing and 3/8 inch NPT male ends. Its superior sealing performance, ease of installation, and durability make it an ideal choice for various industrial and process applications.

Swagelok B-1010-6-6 reducing union is a type of pipe fitting used for joining two pipes of different diameters. This union is specifically designed for 5/8 od (outside diameter) pipes with a 3/8 reduction. Here are the pros and cons of buying this Swagelok reducing union:

1. High-quality construction: Swagelok is known for its high-quality products, and this reducing union is no exception. It is made of forged and machined 316L stainless steel, which ensures durability and resistance to corrosion.

2. Leak-free connection: Swagelok unions are designed to provide a leak-free connection. The union's unique sealing system uses a metal-to-metal contact between the union body and the pipe, which eliminates the need for gaskets or packing.

3. Easy to install: The reducing union comes with a pre-threaded end, which makes it easy to install. It can also be used with Swagelok's Quick-Open couplings, making it easier to perform maintenance or make connections.

4. Versatile: This reducing union can be used in various industries, including oil and gas, power generation, and chemical processing. It is suitable for both high and low-pressure applications.

1. Cost: Swagelok unions are more expensive than some other brands of pipe fittings. However, the high-quality construction and leak-free connection make it a worthwhile investment for many applications.

2. Size and weight: Due to its high-quality construction and materials, this reducing union is heavier and larger than some other options on the market. This may make it more difficult to transport and install, but the benefits often outweigh the inconvenience.

The Swagelok B-1010-6-6 reducing union is a high-quality pipe fitting designed for joining 5/8 od pipes with a 3/8 reduction. Its advantages include leak-free connections, easy installation, high-quality construction, and versatility. Its disadvantages include cost and size. However, the benefits of this reducing union often outweigh the costs, making it a worthwhile investment for many applications where a leak-free connection is essential.

If you require a reducing union for joining 5/8 od pipes with a 3/8 reduction and a leak-free connection is a priority, then the Swagelok B-1010-6-6 reducing union is a recommended option. Its high-quality construction, versatility, and ease of installation make it a worthwhile investment for various industries, including oil and gas, power generation, and chemical processing.

Details:

1- Swagelok brass reducing union, 5/8 od tube x 3/8 tube, B-1010-6-6. New old stock Swagelok fittings in good condition. Ships the same day.

specifications pipehosefit:

• brand: Swagelok
• mpn: B-1010-6-6
• part type: Tube
• material: Brass
• country of origin: Germany

seller pipehosefit:

• # reviews: 9078
• rating: 100.0%
• city: clayton, new york

general pipehosefit:

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

shipping pipehosefit:

• class: standard
• service: usps ground advantage
• carrier: usps
• type: fixed
• transit: 4-8 days

offer pipehosefit:

• sold #: 16
• availability: in stock
• started: november 2, 2025
• prices: $13.00–$290.37
• item condition:
  • New
  • New – Open box
• options: ship-to-home

returns pipehosefit:

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

payments pipehosefit:

• wallet: apple-pay
• other
• credit card: mastercard