Tri-Clamp x Male NPT Adapter

Price range: $25.68 through $74.07

Tri-Clamp x Male NPT Adapter (RT21MP)

Adapter with a tri-clamp face on one end and a male NPT thread on the other, for connecting sanitary tubing to threaded pipe, instruments and equipment.

Available in 304 and 316L stainless steel to suit your process requirements – 304 SS for standard food, beverage, and dairy applications; 316L SS for pharmaceutical, biotech, and corrosive environments requiring higher purity and chemical resistance.

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SKU: RT21MP Category:

Dimensions & part numbers — 21MP clamp x male npt adapter

Size A 304 SS 316L SS
Part number Part number
1/2 x 1/8″ 2.000 — —
1/2 x 1/4″ 2.000 — —
1/2 x 3/8″ 2.000 — —
1/2 x 1/2″ 2.000 — —
1/2 x 3/4″ 2.000 — —
1/2 x 1″ 2.250 — —
3/4 x 1/8″ 2.000 — —
3/4 x 1/4″ 2.000 — —
3/4 x 3/8″ 2.000 — —
3/4 x 1/2″ 2.000 — —
3/4 x 3/4″ 2.000 — —
3/4 x 1″ 2.250 — —
1 x 1/2″ 2.187 — —
1 x 3/4″ 2.187 — —
1 x 1″ 2.250 RT21MP104SA —
1-1/2 x 1/2″ 2.187 — —
1-1/2 x 3/4″ 2.187 — RT21MP15756SA
1-1/2 x 1″ 2.313 — RT21MP15106SA
1-1/2 x 1-1/4″ 2.438 — —
1-1/2 x 1-1/2″ 2.438 RT21MP154SA —
2 x 1″ 2.469 — —
2 x 1-1/4″ 2.469 — —
2 x 1-1/2″ 2.469 — —
2 x 2″ 2.656 — RT21MP206SA
2-1/2 x 1″ 2.781 — —
2-1/2 x 1-1/2″ 2.781 — —
2-1/2 x 2″ 2.781 — —
2-1/2 x 2-1/2″ 3.281 RT21MP254SA —
3 x 1″ 2.875 — —
3 x 1-1/2″ 3.000 — —
3 x 2″ 3.000 — —
3 x 2-1/2″ 3.500 — —
3 x 3″ 3.500 RT21MP304SA —
4 x 1-1/2″ 3.813 — —
4 x 2″ 3.813 — —
4 x 2-1/2″ 3.813 — —
4 x 3″ 3.813 — —
4 x 4″ 3.813 — —
6 x 6″ 4.500 — —
A — see drawing (in)
— — Not stocked online, contact us

All dimensions in inches. Contact us for sizes and materials not listed online.

Features:

  • Tri-clamp face on one end
  • Male NPT thread on the other
  • Sizes from 1″ through 3″ plus reduced-size options
  • Meets sanitary industry standards for food, beverage, dairy, pharmaceutical, and industrial process applications

Sold individually. Clamp and gasket sold separately.

Not sure what size you need? Visit our Tri-Clamp Information Guide for a complete sizing reference, gasket selection guide, and pressure ratings.

Weight 3.25 lbs
Dimensions 6 × 4 × 4 in
Size

1", 1-1/2", 1-1/2" x 3/4", 1-1/2" x 1", 2", 2-1/2", 3"

Material Grade

304 SS, 316L SS

Cross Reference

Cross reference — competitor part numbers

RT Process RT21MPDixon 21MPWayland 21MPTri-Clover 21MPSteel & O'Brien S21MPVNE EG21

SizeMaterialRT ProcessDixonWayland
1"304 SSRT21MP104SA21MP-G100W421MP-1
1-1/2"304 SSRT21MP154SA21MP-G150W421MP-15
1-1/2" x 3/4"316L SSRT21MP15756SA21MP-R15075W621MP-15X.75
1-1/2" x 1"316L SSRT21MP15106SA21MP-R150100W621MP-15X1
2"316L SSRT21MP206SA21MP-R200W621MP-2
2-1/2"304 SSRT21MP254SA21MP-G250W421MP-25
3"304 SSRT21MP304SA21MP-G300W421MP-3

Cross references are for identifying an equivalent fitting by style and size. Dimensions and finishes can vary slightly between manufacturers. Dixon, Wayland, Tri-Clover (Alfa Laval), Steel & O'Brien and VNE are trademarks of their owners and are named for reference only. Questions? Call RT Process & Supply and we'll confirm the match.

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