Butterfly Valve VFH

Available in 1½" up to 4" for fitting between two ANSI flanges, and in 5" up to 8" for fitting between two EN 1092 PN16 flanges
Max. temperature 482°F (842°F with Heat Shields)
For use with SR, SL, and ST solenoid actuators
For use with MZ servomotors
Manual handle available

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Ordering Information

Models for ANSI flanges

Model and Description	Model	Nominal Size	Connection	Max Temp	Pe Max	Stock	Price	Cart
VFH4.Y Nominal Size: 1½″; ANSI connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH4.Y	1½″	ANSI	482°F (842°F*)	2 PSI
VFH6.Y Nominal Size: 2″; ANSI connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH6.Y	2″	ANSI	482°F (842°F*)	2 PSI
VFH7.Y Nominal Size: 2½″; ANSI connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH7.Y	2½″	ANSI	482°F (842°F*)	2 PSI
VFH8.Y Nominal Size: 3″; ANSI connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH8.Y	3″	ANSI	482°F (842°F*)	2 PSI
VFH9 Nominal Size: 4″; ANSI connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH9	4″	ANSI	482°F (842°F*)	2 PSI
VFH93 Nominal Size: 5″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH93	5″	ISO*	482°F (842°F*)	2 PSI
VFH95 Nominal Size: 6″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH95	6″	ISO*	482°F (842°F*)	2 PSI
VFH98 Nominal Size: 8″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH98	8″	ISO*	482°F (842°F*)	2 PSI

*Use with spacers to fit ANSI flanges

ANSI valve out of stock? Contact Us for current lead time and expedite options!

Models for ISO flanges

Model and Description	Model	Nominal Size	Connection	Max Temp	Pe Max	Stock	Price	Cart
VFH4 Nominal Size: 1½″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH4	1½″	ISO	482°F (842°F*)	2 PSI
VFH6 Nominal Size: 2″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH6	2″	ISO	482°F (842°F*)	2 PSI
VFH7 Nominal Size: 2½″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH7	2½″	ISO	482°F (842°F*)	2 PSI
VFH8 Nominal Size: 3″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH8	3″	ISO	482°F (842°F*)	2 PSI
VFH9 Nominal Size: 4″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH9	4″	ISO	482°F (842°F*)	2 PSI
VFH93 Nominal Size: 5″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH93	5″	ISO	482°F (842°F*)	2 PSI
VFH95 Nominal Size: 6″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH95	6″	ISO	482°F (842°F*)	2 PSI
VFH98 Nominal Size: 8″; ISO connection; 482°F (842°F with heat shields) Max temperature; 2 PSI Max Pe.	VFH98	8″	ISO	482°F (842°F*)	2 PSI

Description

Elektrogas VFH butterfly valves are designed for regulation and control of gas and air flow in combustion processes. Valves can be operated manually using a lever (to set up the high-fire rate of the burner), or automatically using a servomotor (modulating or staged control) or a solenoid actuator (two-stage control).

Please note: These butterfly valves were designed with the ISO bolt circle in mind, which means they have an OD which is larger than the ANSI bolt circle in the 1-1/2” to 4” sizes, and an OD which is smaller than the ANSI bolt circle in the 5” to 8” sizes. Therefore, valves in the 1-1/2” to 4” range are modified to create grooves for the bolts in the ANSI circle. Larger valves should be used with spacers or ISO flanges.