Stainless Steel One Quarter Inch NPT Female Bulkhead Coupler For Through Bulk Pipe Fitting Heavy Duty One And A Half Inch Overall Length Full Female Thread Corrosion Resistant 304 Grade For Industrial Plumbing

304 Stainless Bulkhead Coupler 1/4 NPT Female, 1.5in Length
✔️ Includes 1 body, 1 hex nut, 2 rubber gaskets for sealing

This bulkhead coupler is a through-wall connector made from 304 stainless steel, designed to pass a 1/4" NPT female line through a panel or tank wall. It is a common fit in industrial plumbing, hydraulic lines, and fluid transfer systems where a tight seal matters.

✅ Material: SUS304 stainless steel for corrosion resistance and low magnetic permeability.
✅ Inner thread: 1/4" NPT Female; Outside thread: 1/2" BSP Male.
✅ Overall length: 1.5" (38 mm); Thread length: 1.3" (32.2 mm).
✅ Operating temperature range: -80 to 300 °F (-62 to 149 °C).
✅ Maximum working pressure: 1500 psi.
✅ Through-bulkhead design with gasketed seal for leak-free assemblies.
✅ Includes: 1 body, 1 hex nut, 2 rubber gaskets.
✅ Hole compatibility: outer thread 20.96 mm (0.825") fits through up to ~21 mm holes.

💡 What is a bulkhead coupler used for in industrial plumbing?

• Handy for passing a fluid line through panels, tanks, or walls in systems using 1/4" NPT female connections.
• Helps seal high-pressure runs with gaskets and a nut to prevent leaks.
• Works with mixed thread standards like NPT and BSP in through-wall installations.