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Victaulic Butterfly Valves

Victaulic Butterfly Valves View Large Image

We stock Victaulic Butterfly valves in sizes from 2” to 8”. Other sizes are available upon request.

Vic®-300 MasterSeal™ butterfly valves are designed for pressures ranging from full vacuum to 300 psi/2065 kPa and for bi-directional, dead end services to full working pressure. The valve features a patented seat design that assures full 360° sealing. The pressure-enhanced seat compresses to form a larger seating area as the pressure increases. The seat design also contributes to the low breakaway torque capabilities of the MasterSeal valve. Valve construction and performance meet or exceed MSS-SP-67 requirements.

Available in 2 – 12”/50 – 300 mm sizes the valve is offered with a standard ISO mounting flange to accept most gear and power actuators. Vic-300 MasterSeal butterfly valves 2 – 6”/50 – 150 mm are offered with a 10-position handle that may be configured for infinitely variable service with memory lock stop and is pad-lockable. Sizes 8”/200 mm valves are available with a lever lock handle that may be configured for infinitely variable service with memory stop and is padlockable. 2 – 12”/50 – 300 mm sizes are available with a gear operator and can easily be configured into three way assemblies. Vic-300 Masterseal butterfly valves accommodate 2”/50 mm of insulation. An additional 2”/50 mm neck extension is available when more than 2”/50 mm of insulation is needed. A 4½”/120 mm long hand wheel input shaft extension is available for valve sizes 2 – 8”/50 – 200 mm and a 3½”/90 mm long hand wheel input shaft extension is available for 10 – 12”/25 – 300 mm valve sizes. Note: Hand

Wheel Input Shaft Extensions are not for use with Chain Wheels.

Available seats include EPDM for water services to +250°F/+121°C. Vic-300 MasterSeal valves are also offered with permanently lubricated Nitrile material that is recommended for oil, air, and gas services. For specific material specifications on varied services please request publication 05.01.

For dry gas service, Victaulic recommends the lubricated nitrile option. Valves with standard disc and EPDM seat are UL classified to ANSI/NSF 61.

Victaulic also offers a tamper resistant option for 2 – 8”/50 – 200 mm size Vic-300 MasterSeal butterfly valves.


The Series 705 Butterfly Valve features a weatherproof actuator housing Approved for indoor or outdoor use, a ductile iron body and disc with EPDM seats. Designed for fire protection services only. Victaulic FireLock Series 705 Butterfly Valve is cULus Listed,

LPCB Listed, FM and VdS Approved for 300 psi/2068 kPa service. Contact Victaulic for details of agency approvals.

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