Clamp x Male NPT Adapter (21MP)


  • Clamp x Male NPT Adapter for sanitary process connections
  • Stainless steel alloy: 304, 316L
  • Available sizes: 38 listed size options
  • Technical reference: Wayland dimensional drawing and linked size and part-number table below
  • Download CAD/STEP Files






21MP CAD Drawing

Official Wayland dimensional drawing. Click the image to view it larger; use the drawing PDF button above to open the full sheet.

Official Wayland 21MP dimensional drawing and size chart

STEP File Reference

Choose a size and alloy from the product options below. Part numbers link to the matching product variation.

37 models

Size / connection Part Number STEP file
1/2″ W621MP-.50 21mp-.50 v4.step
1/2″ X 1/4″ W621MP-.50X.25 21mp-.50x.25 v3.step
1/2″ x 3/8″ W621MP-.50X.375 21mp-.50x.375 v4.step
1/2″ x 3/4″ W621MP-.50X.75 21mp-.50x.75 v4.step
3/4″ W621MP-.75 21mp-.75 v4.step
3/4″ X 1/4″ W621MP-.75X.25 21mp-.75x.25 v4.step
3/4″ X 3/8″ W621MP-.75X.375 21mp-.75x.375 v4.step
3/4″ X 1/2″ W621MP-.75X.50 21mp-.75x.50 v4.step
1″ 304: W421MP-1
316L: W621MP-1
21mp-1 v4.step
1″ X 1/2″ W621MP-1X.50 21mp-1x.50 v4.step
1″ X 3/4″ 304: W421MP-1X.75
316L: W621MP-1X.75
21mp-1x.75 v3.step
1″ X 1-1/4″ W621MP-1X1.25 21mp-1×1.25 v3.step
1″ X 1-1/2″ W621MP-1X15 21mp-1×15.step
1″ X 2″ W621MP-1X2 21mp-1×2.step
1-1/2″ 304: W421MP-15
316L: W621MP-15
21mp-15.step
1-1/2″ X 1/4″ W621MP-15X.25 21mp-15x.25.step
1-1/2″ X 3/8″ W621MP-15X.375 21mp-15x.375.step
1-1/2″ X 1/2″ 304: W421MP-15X.50
316L: W621MP-15X.50
21mp-15x.50.step
1-1/2″ X 3/4″ W621MP-15X.75 21mp-15x.75.step
1-1/2″ X 1″ 304: W421MP-15X1
316L: W621MP-15X1
21mp-15×1.step
1-1/2″ X 1-1/4″ 304: W421MP-15X1.25
316L: W621MP-15X1.25
21mp-15×1.25.step
1-1/2″ X 2″ W621MP-15X2 21mp-15×2.step
2″ 304: W421MP-2
316L: W621MP-2
21mp-2.step
2″ X 1/2″ W621MP-2X.50 21mp-2x.50.step
2″ X 3/4″ W621MP-2X.75 21mp-2x.75v2.step
2″ X 1″ W621MP-2X1 21mp-2x1v2.step
2″ X 1-1/2″ 304: W421MP-2X15
316L: W621MP-2X15
21mp-2x15v2.step
2-1/2″ 304: W421MP-25
316L: W621MP-25
21mp-25v2.step
2-1/2″ X 1/2″ W621MP-25X.50 21mp-25x.50v2.step
2-1/2″ X 1″ W621MP-25X1 21mp-25x1v2.step
2-1/2″ X 1-1/2″ 304: W421MP-25X15
316L: W621MP-25X15
21mp-25x15v2.step
2-1/2″ X 2″ W621MP-25X2 21mp-25x2v2.step
3″ 304: W421MP-3
316L: W621MP-3
21mp-3v2.step
3″ X 1-1/2″ W621MP-3X15 21mp-3x15v2.step
3″ X 2″ 304: W421MP-3X2
316L: W621MP-3X2
21mp-3x2v2.step
4″ 304: W421MP-4
316L: W621MP-4
21mp-4v2.step
4″ X 3″ W621MP-4X3 21mp-4x3v2.step

Product Support & Distributor Inquiries

Confirm the connection style, size and alloy when planning your assembly. Explore clamp fittings and the sanitary fittings range, or contact Wayland for help identifying product documentation.