Black Steel Half Sleeve

Plumbing Half-Sleeve Coupling Specifications:

• • Material: Steel
  • Sizes: 3/8″ (12/17), 1/2″ (15/21), 3/4″ (20/27), 1″ (26/34), and 1 1/4″ (33/42)
  • Uses: Decorative and plumbing (DVGW and SVGW certified)
  • Thread: BSPP (straight)

Raw black steel finish

• Standard: Smooth with a slight sheen, as it is raw steel. Depending on the manufacturing process, the color can range from light gray to anthracite black.
• Sandblasted:A uniform finish resembling the “RAL7022” umber gray, with subtle variations and a slight texture that blends perfectly with the color of the plumbing fixtures made of cast iron and shot-blasted steel.

For more details you can read our FAQs

• Choice and dimensions of black and galvanised steel pipes for decorative plumbing fittings
• How do I mount it?
• Which look should I choose for my "standard" black or "umber grey shot blasted" steel tubes?
• Do I have to treat my tubes or can I leave them as they are?
• How to apply a finish?

Thread type:

The thread is BSP (British Standard Pipe) Whitworth.
The female thread on standard screw-on fittings is BSPT (tapered); on decorative and designer screw-on fittings, it is BSPP (straight); and the male thread is BSPT (tapered) per DIN EN 10226, formerly ISO 7-1.