Steam Service

Boiler Feedwater Control Valve - Mark 33 Series
The Mark 33 is a motor-operated valve featuring the Jordan sliding gate seat and heavy-duty industrial motors for proportional (resistance), on-off, 4-20 mA electronic control. Models include the Mark 33 in sizes 1/4" through 2" (DN8 through DN50), the high flow Mark 331/332 with Cv's up to 70 (60,...
Motor Operated Control Valve - Mark 37 Series
The Mark 37 is a motor-operated control valve that combines a state-of-the-art electronic linear actuator with the exceptional performance of Jordan's sliding gate valve seat design. It’s superior accuracy makes the Mark 37 an ideal final control element in distributed process control systems....
Self-Operated Back Pressure Regulator - Mark 50 Series
Like the majority of Jordan Valves, the Mark 50 Series Back Pressure Regulator features the advanced sliding gate seat technology pioneered by Jordan Valve.   Using the Jordan Valve sliding gate seat technology, the Mark 50 back pressure regulators have the signature straight-through flow...
Internally Piloted Regulator - Mark 52 Series
The Mark 52 internally piloted, back-pressure regulator is a specialty valve designed for critical application regulation in locations where space is limited. Small and lightweight in design, the Mark 52 valve provides the accuracy of a piloted valve with the size, weight, and appearance of a...
Differential Back Pressure Regulator - Mark 53/54 Series
The Mark 53 maintains a constant differential between the inlet pressure and the pressure loaded on top of the diaphragm. It can be used for both differential and remotely adjusted applications. The Mark 54 provides the same flow capacity as the Mark 53 but with less offset in controlled pressure...
Vacuum Service Regulator - Mark 55 Series
Jordan vacuum back pressure regulators control very accurately and shutoff tightly to maintain the proper vacuum setting. They are used to maintain vacuums at predetermined settings and to regulate vacuum on evaporators, cookers, grinding fixtures, milking machines, altitude chambers, and other...
Air Loaded Back Pressure Regulator - Mark 56 Series
The Mark 56 is a highly accurate and economical air loaded, back-pressure regulator that provides regulation from a local or remote station. The operation of the Mark 56 requires no control spring or pilot. Instead, a static air signal is applied to the top of the diaphragm to determine the...
Externally Piloted Regulator - Mark 57 Series
The Mark 57 provides accuracy approaching that of controller-operated valves and should be considered on most critical applications before other more expensive and sophisticated instrumentation. The Mark 57, a sliding gate regulator, has a much shorter stroke than the standard globe or plug...
Globe Style Back Pressure Regulator - Mark 58 Series
The Mark 58 back pressure regulator features three ports: a bypass outlet on the bottom and two side ports which are directly connected to serve as inlet and outlet for flow-through. It can be installed in a "T" fashion allowing fluid to flow in one side and out the other with the flow...
Sliding Gate Pressure Regulator - Mark 60 Series
Like the majority of Jordan Valves, the Mark 60 Series Pressure Regulator features the advanced sliding gate seat technology pioneered by Jordan Valve.   Using the Jordan Valve sliding gate seat technology, the Mark 60 pressure regulators have the signature straight-through flow, short-...
Internally Piloted Regulator - Mark 62 Series
The Mark 62 internally piloted pressure regulator is a specialty valve designed for critical application regulation in locations where space is limited. Small and lightweight in design, the Mark 62 valve provides the accuracy of a piloted valve with the size, weight, and appearance of a single,...
Differential Pressure Regulator - Mark 63/64 Series
The Mark 63 is designed to maintain a constant differential between the pressure on the discharged side of the regulator and the signal pressure loaded on the diaphragm. The Mark 64 provides the same flow capacity as the Mark 63, but with less offset in controlled pressure due to a larger diaphragm...
Vacuum Service Regulator - Mark 65 Series
Jordan vacuum regulators control accurately and shutoff tightly to maintain the proper vacuum setting. They regulate vacuum on evaporators, cookers, grinding fixtures, milking machines, altitude chambers, and other vacuum systems. The Mark 65 is normally up and closed. The higher...
Air Loaded Regulator - Mark 66 Series
The Mark 66 is a highly accurate and economical air-loaded pressure regulator that provides regulation from a local or remote station. The operation of the Mark 66 requires no control spring or pilot. Instead, a static air signal is applied to the top of the diaphragm to determine the set point...
Piloted Sliding Gate Regulator - Mark 67 Series
The Mark 67 Series is for critical pressure reducing applications. It provides greater accuracy and lower offset than can be achieved with a self-operated regulator. The Mark 67 regulator combines the short stroke of the sliding gate with the action of a pilot valve to create a...
Globe Style Regulator - Mark 68G Series
The Mark 68G is a self-operated, globe style pressure reducing valve. It offers high capacity, accurate regulation, and easy servicing, making it an ideal choice for industrial pressure reducing applications. The bottom-entry design makes the Mark 68G simple to clean or repair. The diaphragm can be...
High Pressure Regulator - Mark 68HP Series
The Mark 68HP is designed primarily for high pressure steam service commonly found in power plants, refineries, pulp and paper mills, and other high pressure process applications. Since high pressure superheated steam is routinely used for power generation (turbines), a pressure regulator capable...
Sliding Gate Control Valve - Mark 70 Series
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. Jordan's unique sliding gate control valve trim teams up with pressure, temperature, pH, level...
Wafer Style Sliding Gate Control Valve - Mark 75 Series
The Mark 75 Series is the next generation of control valves by Jordan Valve with all the benefits of the sliding gate seat design, coupled with the lightweight, compact wafer style body, the Mark 75 provides unparalleled performance and value.          ...
High Cycle, On/Off Control Valve - Mark 76 Series
While many pneumatic, modulating control valves can be used for on/off service by supplying air pressure to the actuator in excess of the spring range, they are sometimes an inadequate solution to control a process. True on/off control valves, like the Mark 76, offer many advantages over this...
Globe Style Control Valve - Mark 78 Series
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. The Mark 78 utilizes a cage-retained seat design...
3 Way Mixing/Diverting Control Valve - Mark 79 Series
The Mark 79 is an air-operated control valve that can accept a 3-15 psi air signal from any of the temperature or process controllers sold by Jordan Valve. It can also be controlled by turbidity, flow, or level controllers and can be set up for direct control or with optional side or top mounted...
Control Valve - Mark 128PQC Series
The Mark 128PQC Series Control Valve body assembly is suitable for on-off dump valve service in oil and gas production applications, in either sweet or sour gas conditions. This valve is also useful for on-off high-pressure control of numerous gasses and liquids, and can be used with materials that...
Mark D & DA Series Globe and Angle Style Control Valve
The Mark D & DA Series are single port, screwed-in metal-seated valves with unbalanced post-guided valve plugs, and push-down-to-close plug action used for high pressure applications. These valves are used in the oil and gas industry, and are especially useful for throttling or on/off control...
Angle Style Control Valves - Mark DBAQ Series
The Mark DBAQ Series control valves are ideally suited for high pressure water and steam applications, providing excellent pressure and flow control. This design may be utilized in both high pressure and high temperature control service. The Mark DBAQ is an angle style valve, which may be used...
 Globe Style Control Valve
The Mark E Series (1" - 6") is a single port, globe-style body with composition or metal seats and a balanced push-down-to-close valve action plug.  There are two styles of valves available, providing excellent pressure and flow control on steam, gasses and various liquid applications:...
Globe Style Control Valve - Mark ED & ET Series (8")
The Mark E Series is a single port, globe-style body with composition or metal seats and a balanced push-down-to-close valve action plug.   There are two styles of valve available, providing excellent pressure and flow control on steam gasses and various liquid applications:...
Globe Style Control Valves - Mark EW Series
The Mark EW valve bodies are single port, globe-style bodies with cage guiding, clamped seat rings and push-down-to-close valve plug action. Providing excellent pressure and flow control on steam, gasses, and various liquid processes.   This series features large end connections and...
Globe Style Control Valves - Mark EZ Series
The Mark EZ Series is a globe style valve with integral end connections, post guiding and quick-change trim. Typical applications include chemical or hydrocarbon processing, as well as applications that require control of viscous, non-lubricating or other hard-to-handle fluids. End connection...
Globe Style Control Valves - Mark H-900, H-1500, and H-2500 Series
The Mark H Series control valve provides excellent pressure and flow control on steam, gasses and various liquid applications. The Mark H2D valve is a single port, globe body with cage guiding, and balanced valve plug with push down to close action. Suitable for general applications where tight...
Globe and Angle Style Control Valves - Mark HPX and HPAX Series
Excellent pressure and flow control on steam, gasses and various liquid applications. The HP Series control valves are high pressure globe and angle valves, designed for high-pressure applications in the process control industry. They are equipped with metal seats, cage guiding and quick-...