Flask stopper

Plumbing plug with flange: features:

• • Material: cast iron
  • 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: BSPT (tapered)

DIY Implementation and finishing

• How do I mount it?
• Do I have to treat the fittings or can I leave them as they are?
• How to apply a finish?
• Choice and dimensions of black steel pipes for decorative plumbing fittings

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.