Medium Pressure Reducing Regulator | Equilibar Fluid Control
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Medium Pressure Reducing Regulators

Model 10 Pressure Reducing Regulator

Operating Principles

The Model 10 Series regulator uses the force balance principle to control the movement of the Valve Assembly that controls the output pressure. When the regulator is adjusted for a specific set point, the downward force of the Positive Bias Spring moves the Diaphragm Assembly downward. The Supply Valve opens and allows air to pass to the Outlet Port. As the set point is reached, the downward force exerted by the Positive Bias Spring is balanced by the force of the downstream pressure that acts on the Diaphragm Assembly. The resultant force moves the Supply Valve upward to reduce the flow of air to the Outlet Port. Outlet pressure is maintained as a result of balance between forces acting on the top and bottom of the Diaphragm Assembly.

The Model 10 is designed for applications that require high capacity and accurate process control. A poppet valve which is balanced by utilizing a rolling diaphragm, insures a constant output pressure even during wide supply pressure variations. Stability of regulated pressure is maintained under varying flow conditions through the use of an aspirator tube which adjusts the air supply in accordance with the flow velocity.

Max Supply Pressure500 psig, [35.0 bar(g)], (3500 kPa) Maximum
Flow Capacity40 SCFM (68 m3 /HR) @ 100 psig, [7.0 bar(g)], (700 kPa) supply and 20 psig, [1.5 Bar(g)], (150 kPa) setpoint
Exhaust Capacity5.5 SCFM (9.35 m3/HR) where downstream pressure is 5 psig, [.35 bar(g)], (35 kPa) above 20 psig, [1.5 bar(g)], (150 kPa) setpoint
Supply Pressure EffectLess than 0.1 psig, [7 millibar(g)], (.7 kPa) for 100 psig,
[7.0 bar(g)], (700 kPa) change in supply pressure
Ambient Temperature-40°F to +200°F (-40°C to 93.3°C)
Hazardous LocationsAcceptable for use in Zones 1 and 2 for gas atmosphere;
Groups IIA and IIB and Zones 21 and 22 for dust atmospheres
Materials of Construction
Body and HousingAluminum
DiaphragmBuna N on Dacron
TrimBrass, Zinc Plated Steel

Equilibar Model 10 Pressure Reducing Regulator

The Equilibar Model 10 Pressure Reducing Regulator is compact and easily adjustable by the top mounted knob. Screwholes are available at the top of the bonnet for easy panel mounting, brackets are available for wall mounting as well.

Same day shipping!

The Model 10 regulator is available off-the-shelf and can typically be shipped the same day the order is received.

Part NumberPressure RangePipe SizeLead Time
10212D0 – 2 psig / .14 bar(g)1/4″ NPTSame Day Shipping!
10222D0 – 10 psig / .69 bar(g)
10202D0 – 20 psig / 1.4 bar(g)
10232D0.5 – 30 psig / 2 bar(g)
10242D1 – 60 psig / 4 bar(g)
10262D2 – 150 psig / 10 bar(g)
10272D3 – 200 psig / 13.8 bar(g)
10282D5 – 300 psig / 20.7 bar(g)
10292D5 – 400 psig / 27.6 bar(g)
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