Library › Hardware › Tri-clamp end caps with ports: NPT, clamp nozzle, hose barb and…

1–1½ in cap with a Ø12.7 (½ in) hole for an airlock grommet

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

size	1–1½
flange_od_mm	50.5
cap_mm	6.35

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From the full sheet

Tri-clamp end caps with ports: NPT, clamp nozzle, hose barb and airlock hole, 1½ to 8 in: every size, notes, mating features and sources. Is there a tri-clamp cap with a ½ inch NPT port?

Other sizes

1–1½ in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
1–1½ in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
1–1½ in cap with a ½ in hose barb (blow-off)
2 in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
2 in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
2 in cap with a ½ FNPT half coupling at the centre (tap-drill Ø18.3)
2 in cap with a ¾ FNPT half coupling at the centre (tap-drill Ø23.4)
2 in cap with three ¼ FNPT half couplings on r 10.7
2 in cap with a Ø12.7 (½ in) hole for an airlock grommet
2 in cap with a ½ in hose barb (blow-off)
2½ in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
2½ in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
2½ in cap with a ½ FNPT half coupling at the centre (tap-drill Ø18.3)
2½ in cap with a ¾ FNPT half coupling at the centre (tap-drill Ø23.4)
3 in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
3 in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
3 in cap with a ½ FNPT half coupling at the centre (tap-drill Ø18.3)
3 in cap with a ¾ FNPT half coupling at the centre (tap-drill Ø23.4)
3 in cap with three ¼ FNPT half couplings on r 16.4
3 in cap with a 1½ in clamp nozzle at the centre, 1 in tall
4 in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
4 in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
4 in cap with a ½ FNPT half coupling at the centre (tap-drill Ø18.3)
4 in cap with a ¾ FNPT half coupling at the centre (tap-drill Ø23.4)
4 in cap with three ¼ FNPT half couplings on r 21.9
4 in cap with a 1½ in clamp nozzle at the centre, 1 in tall
4 in cap with a 1½ in clamp nozzle and a ½ FNPT half coupling
6 in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
6 in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
6 in cap with a ½ FNPT half coupling at the centre (tap-drill Ø18.3)
6 in cap with a ¾ FNPT half coupling at the centre (tap-drill Ø23.4)
6 in cap with three ¼ FNPT half couplings on r 33.0
6 in cap with a 1½ in clamp nozzle at the centre, 1 in tall
6 in cap with a 1½ in clamp nozzle and a ½ FNPT half coupling
8 in cap with a ⅛ FNPT half coupling at the centre (tap-drill Ø8.6)
8 in cap with a ¼ FNPT half coupling at the centre (tap-drill Ø11.1)
8 in cap with a ½ FNPT half coupling at the centre (tap-drill Ø18.3)
8 in cap with a ¾ FNPT half coupling at the centre (tap-drill Ø23.4)
8 in cap with three ¼ FNPT half couplings on r 44.5
8 in cap with a 1½ in clamp nozzle at the centre, 1 in tall
8 in cap with a 1½ in clamp nozzle and a ½ FNPT half coupling