UF Low Pressure Non-Interchangeable Series

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The UF Series contains standard manual couplings that are available in bore sizes from 6 – 32 millimeters. These non-interchangeable Walther couplings are offered in both square and triangular shapes, and each coupling must be paired with the same shape. They are best suited for low-pressure applications where maximum liquid and gas pressure is 435 psi. For information about specific models, see the table below.

Type & Shape	Actual bore Ã˜ (mm)	Nom. max. End Fitting size	Max. WP(psi)		Cv
Type & Shape	Actual bore Ã˜ (mm)	Nom. max. End Fitting size	Liquids	Gases	One side with valves	Both sides with valves
UF-006 Triangular	6	1/2"	580	435	1.0	0.73
UF-006 Square	6	1/2"	580	435	1.0	0.73
UF-007 Triangular	7	1/2"	580	360	1.25	0.95
UF-007 Square	7	1/2"	580	360	1.25	0.95
UF-012 Triangular	12	1"	435	290	4.35	3.25
UF-012 Square	12	1"	435	290	4.35	3.25
UF-019 Triangular	19	1"	435	290	11.2	7.5
UF-019 Square	19	1"	435	290	11.2	7.5
UF-032 Triangular	32	2"	435	145	29.4	23.8
UF-032 Square	32	2"	435	145	29.4	23.8

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