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    Filters, Regulators, Lubricators
    1. Home
    2. Air Line Components
    3. Filters, Regulators, Lubricators
    Item # MFS1145 • Mfr # S-1145

    1/4" NPT Mini Heavy Duty Regulator

    Description

    1/4 NPT Mini Regulator For Compact Air Control

    1/4 NPT mini regulator is a compact Milton Industries air line component that controls air pressure in small pneumatic equipment, miniature valves, and instruments, so installers can match pressure to tool requirements in tight layouts and control panels. This mini regulator uses 1/4 inch NPT connections, which lets it drop into standard air line runs on light industrial or shop systems without adapters in many common setups. The design is described as heavy duty, aligning it with demanding air flow applications where stable regulation matters during frequent cycling. A simple turn-knob adjustment regulates outlet pressure, so technicians can dial in settings quickly during setup or after maintenance without complex tools. The maximum inlet pressure rating of 250 pounds per square inch allows this unit to operate on higher-pressure shop supplies while still protecting downstream components through regulated output. Its compact format supports use where full-size regulators would crowd manifolds or panels.

    Key Mini Regulator Details For Daily Use

    • The 1/4 inch NPT connection size fits many air line layouts, which helps installers place this regulator directly into existing runs on small equipment.
    • The compact mini regulator format supports tight spaces on miniature valves and instruments, helping keep control panels and machine frames less congested.
    • The turn-knob pressure adjustment allows quick manual regulation, so technicians can change settings during service or tool changeovers without delay.
    • The maximum inlet pressure rating of 250 pounds per square inch supports use on higher-pressure air supplies while providing controlled downstream pressure.
    • The maximum flow capacity of 25 cubic feet per minute supports air delivery for many small pneumatic tools and devices in light-duty systems.
    • The 1/8 inch national pipe thread gage ports allow connection of a pressure gage, which supports visual monitoring of pressure at the regulator location.
    • The operating temperature range of 40 degrees Fahrenheit to 120 degrees Fahrenheit aligns with typical indoor shop and plant environments.

    Installation And Adjustment For Air Line Setups

    This Milton mini air regulator uses 1/4 inch NPT ports, so installers can thread it into air lines that share this standard, helping maintain consistent joint styles across a run. The unit provides 1/8 inch national pipe thread gage ports, giving a defined location for mounting a pressure gage where readings are easiest to view during setup and troubleshooting. The turn-knob adjustment design lets users regulate pressure simply by rotating the knob, which aids in dialing in pressures for different miniature valves and instruments on the same system. With a maximum inlet pressure of 250 pounds per square inch and a maximum flow of 25 cubic feet per minute, the regulator supports predictable behavior when used within those limits on small pneumatic equipment. The specified operating temperature range of 40 degrees Fahrenheit to 120 degrees Fahrenheit aligns this regulator with indoor shop or plant environments where compressed air controls are typically located.

    Using This Regulator In Pneumatic Systems

    Where This Compact Pneumatic Regulator Fits Best

    This 1/4 inch NPT mini heavy duty regulator is intended for air flow applications that call for a compact unit, making it suitable for small pneumatic equipment where space on manifolds or machine frames is limited. Its suitability for miniature valves and instruments means it can serve as a control point near sensitive devices, helping manage pressure closer to the component rather than relying only on upstream regulation. The compact mini form factor lets installers position the regulator in crowded control panels or enclosures while still leaving room for tubing, fittings, and other air line components. With a maximum flow of 25 cubic feet per minute, the regulator aligns with many light-duty air circuits rather than high-volume main headers, supporting branch lines that feed specific tools or instruments. The Milton Industries branding identifies it as part of a known air line components line, which helps standardize components across multiple small machines. When installed within its operating temperature range of 40 degrees Fahrenheit to 120 degrees Fahrenheit, the regulator can function in typical indoor workshops, fabrication areas, and production spaces where small pneumatic devices are used regularly.

    Details That Support Stable, Repeatable Air Pressure

    The ability to handle a maximum inlet pressure of 250 pounds per square inch gives this regulator a broad operating window, so it can reduce higher supply pressures down to levels suited for miniature valves and instruments. The turn-knob adjustment provides a straightforward method for controlling outlet pressure, helping technicians return to known settings after maintenance or tooling changes without special tools. Its 1/4 inch NPT connection size supports consistent threading across air line components, which aids in building repeatable assemblies when multiple regulators are used on similar machines. The 1/8 inch national pipe thread gage ports provide a dedicated location for a pressure gage, helping users monitor regulator performance over time and spot pressure changes that could affect downstream devices. By operating within the 40 degrees Fahrenheit to 120 degrees Fahrenheit temperature range, the regulator maintains its stated behavior in environments commonly found in woodworking and light industrial shops. The maximum flow capacity of 25 cubic feet per minute defines how much air the unit can manage, helping designers select it appropriately for circuits serving specific tools or instruments without oversizing the regulator.

    Common Questions About The Milton S-1145 Regulator

    What type of applications is this mini regulator intended for?

    The 1/4 NPT mini regulator is intended for air flow applications that call for a compact unit, such as small pneumatic equipment, miniature valves, and instruments, supporting localized pressure control.

    What is the connection size on this Milton mini air regulator?

    The 1/4 NPT mini regulator uses 1/4 inch NPT connections for the air line, which suits many standard pneumatic setups on small equipment and branch circuits.

    How is outlet pressure adjusted on this compact regulator?

    The 1/4 NPT mini regulator uses a turn-knob adjustment, so outlet pressure is regulated by rotating the knob, allowing straightforward pressure changes during setup or service.

    What are the pressure and flow limits for this regulator?

    The 1/4 NPT mini regulator has a maximum inlet pressure of 250 pounds per square inch and a maximum capacity of 25 cubic feet per minute, defining its suitable air circuits.

    What gage port size does the Milton S-1145 provide?

    The 1/4 NPT mini regulator provides 1/8 inch national pipe thread gage ports, allowing installation of a pressure gage for local pressure monitoring at the regulator.

    What operating temperature range does this regulator support?

    The 1/4 NPT mini regulator operates in a temperature range of 40 degrees Fahrenheit to 120 degrees Fahrenheit, aligning with typical indoor shop and plant conditions.

    Select This Mini Regulator For Compact Air Control

    The 1/4 NPT mini regulator from Milton Industries combines a compact form with a maximum inlet pressure of 250 pounds per square inch, supporting controlled air delivery on small pneumatic equipment. Its 25 cubic feet per minute maximum capacity and 1/4 inch NPT connections align it with light-duty branch lines feeding miniature valves and instruments. With 1/8 inch national pipe thread gage ports and simple turn-knob adjustment, it provides clear pressure monitoring and straightforward regulation on indoor systems operating between 40 degrees Fahrenheit and 120 degrees Fahrenheit.

    Catalog
    V-26
    Thread
    NPT 1/4 inch
    Product Type
    Regulator
    Supplier Pack Size
    1
    Sold In
    1
    Catalog
    V-26
    Thread
    NPT 1/4 inch
    Product Type
    Regulator
    Supplier Pack Size
    1
    Sold In
    1
    Milton Industries
    $122.63/Each
    Item # MFS1145 • MFR # S-1145
    1/4" NPT Mini Heavy Duty Regulator
    Item# MFS1145 / MFR Part # S-1145
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