MDC's Butterfly valves feature an improved sealing action. The Valves are low outgassing. All internal surfaces are machined from solid stainless steel bar stock. The handle is make of aluminum. A small O-ring on the stem prevents shaft leakage.

All valves are offered with a choise of Del-Seal CF ultrahigh vacuum metal seal flanges or ISO Kwik-Flange elastomer O-ring seal flanges. (read more)

GF Piping System has introduced the new corrosion-resistant Type 568 Lug Style Butterfly Valve. The new valve's lug style design is intended specifically for dead-end service and fully pressure rated at 150 psi to allow for easy system expansion to the pipeline without the expense of system shutdown. Typical applications include industrial water treatment, potable water treatment (read more)

The new Type 567/568 Butterfly Valve is corrosion-resistant and incorporates several new design features that result in long service life, high safety, excellent sealing capabilities, and modular flexibility. (read more)

Asahi/America, Inc., introduces the Type 57 Butterfly Valve, the newest addition to their full range of thermoplastic valves and valve accessories. The Type 57 incorporates four major design upgrades in thermoplastic valve technology.

New design features include a Flange Stopper, which prevents the valve liner from over compression. A second feature is a molded body Absorption Channel. (read more)

GF Piping Systems' New Large Diameter Butterfly Valve Features Double Eccentric Design, High PSI Rating and Excellent Corrosion Resistance (read more)

Hayward All Plastic corrosion resistant butterfly valves are available in sizes from 1 1/2" up to 24". Choose PVC, CPVC, PPL, or PVDF plastic construction with Viton, EPDM or Nitrile liner and seals. Valves come with Lever Handle, Gear Box,Electric and Pneumatic Actuators. (read more)

Salina Vortex Corporation now offers to its customers resilient-seated Butterfly Valves in 2" through 72" sizes. (read more)

Ranging in size from 3/4" to 1.5 " in diameter, the Valcor Scientific family of Instrumentation Valves delivers performance and durability normally encountered only in larger, more expensive fluidic devices. The essential features of these valves include all Teflon construction and alternate materials (PPS, PEEK, etc.) (read more)

The MS100000 Searis is a metal seated three piece ball valve engineered for high pressure and temperature applications and offers standard extended bonnet for pipe insulation and enhanced packing, stem and handle for demanding service applications. (read more)

For superior performance in your most demanding applications over prolonged periods, this butterfly valve with its patented seat is a proven performer. Choose soft-seated, fire-tested or high-temperature designs. (read more)