U3 Style - Universal Low Pressure


*May be larger and/or round.
**Consult factory for ISO 7 "Rp" threads.
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Nominal Pipe Size Size Code A Hex Size B* C** Orifice Diameter
3/8 C 2.16 13/16 3/8 NPT 0.348
1/2 D 2.71 1-1/8 1/2 NPT 0.464
3/4 F 2.95 1-1/4 3/4 NPT 0.593
1 H 3.64 1-5/8 1 NPT 0.890
1-1/4 I 3.91 2-1/4 1-1/4 NPT 1.135
1-1/2 J 4.36 2-1/2 1-1/2 NPT 1.385
2 K 5.85 3 2 NPT 1.555
2-1/2 L 5.50 3-3/4 2-1/2 NPT 1.555
3 M 6.25 4-1/2 3 NPT 2.025
4 N 7.13 5-1/2 4 NPT 2.560