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Steam | Boiler Feed Water | Pressure Reducing | Back Pressure Reducing | Control Valves | Sanitary Valves | Air/Oil/Gas Utilities


Mark 70/701/702/711/707 Series – Sliding Gate Control Valve
The Mark 70 Series is a line of pneumatically-operated, diaphragm control valves that combine multiple spring actuators with the precision of sliding gate seat for closer control and greater accuracy.
Mark 74 Series – Bellows Seal Control Valve

The Mark 74 provides long-term, leak-free performance when fugitive emissions are a primary concern. The Mark 74 offers exceptional bellows life with a valve stroke that is just a fraction of that of other rising stem valves.

Mark 75 Series – Wafer Style Control Valve

The Mark 75 has all the benefits of the sliding gate seat design, coupled with the lightweight, compact wafer style body.

Mark 76 Series – High Cycle, On/Off Valve

The Mark 76 (1/2" - 2") typically functions using a 0 psi or 20 psi control signal. Through the use of a solenoid, either 0 psi or 20 psi is supplied to the actuator. Depending on the configuration of the sliding gate seats, 20 psi will either open or close the valve.

Mark 78 Series – Globe Style Control Valve

The Mark 78 pneumatic control valve is designed for accurate performance and simplified maintenance. It can be used on a variety of applications including viscous/corrosive liquids, process gases or utility steam in process or utility service.

Mark 79/79MX Series – 3 Way Mixing/Diverting Valve

The Mark 79 is an air-operated control valve used for diverting service; ideal for bypassing fluids around coolers or filters. It can also be used as a combining or mixing valve with two inlets and one outlet.

Mark 2000 Series – Angle Body On/Off Valve

The Mark 2000 is an externally piloted, angle-seat valve with self-adjusting packing gland, intermediate relief and wiper. The compact size and light-weight design makes this valve ideal for OEM machinery and other applications where space is limited.

V1C Series – Cage Guided Heavy Duty Valve

The Mark V1C cage-guided, balanced trim control valve offers high pressure and tight shutoff with standard spring/diaphragm actuators. The balanced cage trim design enables this valve to handle differential pressures up to 1480 psi (102 bar) through the 6" (DN150) size.

V1S Series - Globe Style Heavy Duty Valve

A stem guided globe valve with a cage-retained seat ring, featuring a wide range of corrosion resistant materials and quick change trim with linear or equal percentage flow characteristic.