Beduan Stainless 1/8
Pipe Fittings

Beduan Stainless 1/8" NPT Female Bulkhead Coupler Thru-bulk

The Beduan Stainless 1/8" NPT Female Bulkhead Coupler Thru-bulk Pipe Fitting is designed for reliable, long-lasting performance in demanding fluid and air handling applications.

Key Features

  • Material: Premium 304 stainless steel with excellent corrosion resistance, high temperature ductility, and low magnetic permeability. Note: The metal washer is not made of stainless steel.
  • Connection size: 1/8 inch NPT female internal thread, 16.66 mm 0.656 inch outer diameter, 3/8 inch BSP
  • Dimensions: Overall length 1 1/2 inches 38 mm Thread length 1.3 inches 32.2 mm Thread outside diameter 0.656 inches 16.66 mm
  • Application Female coupler used to connect NPT fittings through a bulkhead
  • Maximum operating temperature range: -196℃ to 800℃ / -320.8℉ to 1472℉ Maximum operating pressure: 1500 PSI

Product Description

The Beduan Stainless 1/8" NPT Female Bulkhead Coupler Thru-bulk Pipe Fitting is designed for reliable, long-lasting performance in demanding fluid and air handling applications. Manufactured from high quality 304 stainless steel, this bulkhead coupler offers excellent corrosion resistance, making it suitable for use in harsh environments, including industrial, marine, and outdoor installations. Its robust construction ensures durability under high temperatures while maintaining low magnetic permeability, an important advantage in sensitive or specialized systems. This fitting features a full female thread design with an inner thread size of 1/8" NPT female, providing a secure and leak-resistant connection for a wide range of compatible components. The outer diameter is precisely machined to 16.66 mm (0.656") / 3/8" BSP, allowing for easy installation through panels, tanks, or bulkheads where a sturdy, sealed pass-through connection is required. Engineered for versatility, the Beduan bulkhead coupler is ideal for air, water, oil, gas, and other compatible media, and is commonly used in pneumatic systems, hydraulic setups, process equipment, and custom fabrication projects. Its stainless steel body resists rust and chemical attack, supporting long service life and reduced maintenance needs. Please note: the included metal washer is not stainless steel. With precise threading, consistent dimensions, and a clean finish, this coupler is easy to install and delivers dependable performance in both professional and DIY applications. Whether you are upgrading existing equipment or building a new system, the Beduan Stainless 1/8" NPT Female Bulkhead Coupler Thru-bulk Pipe Fitting offers the strength, reliability, and quality you need from a manufacturer you can trust.

Product Specifications

About This Product

Size 1/8 Inch
Material Stainless Steel
Brand Beduan
Connector Type Coupling
Thread Size 1/8

Technical Details

Brand ‎Beduan
Connector Type ‎Coupling
Thread Size ‎1/8
Thread Type ‎NPT
Item Weight ‎1.6 ounces
Number of Pieces 4
Manufacturer ‎Beduan
Set Name ‎False
Part Number ‎1zf-10860-bpc
Package Dimensions ‎2.68 x 1.89 x 1.38 inches
Item model number ‎1zf-10860-bpc
Batteries Included? ‎No

Questions & Answers

It has a 1/8" NPT female thread on both ends (full female thread through the bulkhead).

The coupler body is made from high quality 304 stainless steel, which offers good corrosion resistance and ductility at high temperatures with low magnetic permeability.

No, the metal washer included with this fitting is not stainless steel.

The outer diameter is 16.66 mm (0.656"), which corresponds approximately to 3/8" BSP.

Yes, 304 stainless steel provides good ductility and performance at elevated temperatures, making it suitable for many high-temperature applications within the limits of 304 stainless.

Yes, 304 stainless steel bulkhead couplers are commonly used for air, water, and many oil and fluid lines, provided the media is compatible with 304 stainless steel and NPT threads.

Yes, it is a thru-bulk pipe fitting with full 1/8" NPT female threads through the entire body.

No, this fitting is designed for 1/8" NPT threads. NPT and BSP threads are not directly compatible and should not be mixed.

Yes, as with most NPT threaded fittings, it is recommended to use PTFE tape or an appropriate thread sealant on the male threads to ensure a proper seal.

It is typically installed through panels, tanks, enclosures, or bulkheads where you need to pass a 1/8" NPT connection through a wall while maintaining a secure, sealed connection on both sides.

Customer Reviews

Ready to Purchase?

Get this high-quality product delivered to your doorstep

View Product

You May Also Like

Beduan Tee Female NPT 3/4x3/4x1/2 T Shaped 3
Beduan Tee Female NPT 3/4x3/4x1/2 T Shaped 3
Beduan Stainless Water Line Adapter 3/8 Female to
Beduan Stainless Water Line Adapter 3/8 Female to
Beduan Stainless Steel Water Line Adapter 1/2 BSP
Beduan Stainless Steel Water Line Adapter 1/2 BSP