Butt-Weld Dome Cap – Unpol (16W-U)


  • Unpolished weld fitting
  • Available in 304 and 316L stainless steel
  • 12 listed sizes
  • Select the alloy and size below to identify the part number
  • Download CAD/STEP Files






Wayland offers the 16W-U unpolished butt-weld dome cap in 304 or 316L stainless steel. Confirm the selected configuration and part number before requesting a quote. See the full product catalog for family information.

Unpolished Butt-weld Dome Cap CAD Drawing

Wayland family dimensional drawing. The same drawing applies to this unpolished listing; select an unpolished part number on this page.

Wayland 16W dimensional drawing and size chart

STEP File Reference

Select a size and alloy to open its unpolished part number. STEP models use the shared family geometry; download the file for each listed size.

12 models

Size Part Number STEP file
1" 304: W416W-1-1
316L: W616W-1-1
16W-1.STEP
1-1/2" 304: W416W-15-1
316L: W616W-15-1
16W-15.STEP
1/2" 316L: W616W-.50-1 16W-.50.STEP
2" 304: W416W-2-1
316L: W616W-2-1
16W-2.STEP
2-1/2" 304: W416W-25-1
316L: W616W-25-1
16W-25.STEP
3" 304: W416W-3-1
316L: W616W-3-1
16W-3.STEP
3/4" 316L: W616W-.75-1 16W-.75.STEP
4" 304: W416W-4-1
316L: W616W-4-1
16W-4.STEP
6" 304: W416W-6-1
316L: W616W-6-1
16W-6.STEP
8" 304: W416W-8-1
316L: W616W-8-1
16W-8.STEP
10" 304: W416W-10-1
316L: W616W-10-1
16W-10.STEP
12" 304: W416W-12-1
316L: W616W-12-1
16W-12.STEP

Product Support & Distributor Inquiries

Compare tube size, wall thickness and finish when planning a welded connection. Explore unpolished butt weld fittings and the sanitary fittings range, or contact Wayland for help identifying product documentation.