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Couplings

Synflex® Hose Couplings and Accessories

Synflex provides a full line of couplings to create your hose assembly. A hose coupling serves as the means of attaching the hose between two components in a fluid system. Couplings must be able to remain attached to the hose under expected operating pressures and maintain fluid flow through the hose without leakage.

Follows is a complete list of Synflex hose couplings, along with additional catalog page pdf files.

Hose Coupling Selection Chart
Coupling Series	Permanent Coupling	Reusable Coupling	Hose Series and Dash Size Range*
	Zinc Plated Steel
3903	•		3630 (-03 to -12), 3R30, 3130, 37AL, 3750, 3800, 3840, 31GW 3440 (-04 to -08), 31B0, 37B0, 30CT (-04 to -08)
390H	•		3630 (-16), 3R80, 3E80, 3440 (-12 to -16)
390N	•		3350, 3360, 30CT(-10)
390V	•		3V10, 3VE0
7903	•		3630 (-03 to -12), 3R30, 3000, 3130, 3580, 37AL, 3750, 3800, 3840, 31GW, 3440 (-4 to -8), 31B0, 37B0, 30CT (-04 to -08)
790H	•		3630 (-16), 3R80, 3E80, 3440 (-12 to -16)
3901		•	3000
3902		•	37AL, 3750
390J		•	3R80, 3E80
7950 7951		•	32GW, 34GW
	Stainless Steel
390A	•		3630 (-3 to -12), 3R30, 3000, 3130, 3580, 37AL, 3750, 31N0, 3800, 3840, 34PW (-4 to -8), 31B0, 37B0, 30CT (-03 to -08)
390L	•		3630 (-16), 3R80 (-3 to -16), 3E80 (-3 to -16), 3440, 34PW (-12 to -16), 34BA (-6)
3908		•	3000
390K		•	3R80, 3E80
390V (-C05)	•		3V10, 3VE0
3902 (-C05)		•	37AL, 3750
	Monel
390P	•		3630 (-3 to -12), 3R30, 3000, 3130, 3580, 31B0, 37B0, 37AL, 3750, 31N0, 3800, 3840, 30CT (-04 to -08)
390S	•		3630 (-16), 3R80, 3E80
390V (-A01)	•		3V10, 3VEO
	Brass
390C	•		3630 (-3 to -12)
3906	•		Made to order for many hose series
4401		•	4202
*Dash size = Hose I.D. in 1/16 of one inch. Example: -3 = 3/16 inch I.D. Where hose series only is listed, all cataloged dash sizes attach to coupling series.