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ES0350.M1A05L.27N0

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Emerson EL-O-Matic ES0350.M1A05L.27N0 is an E350-size spring-return pneumatic valve actuator. Confirm the complete option code, mounting interface, insert, rotation, and installed valve requirements before replacement.
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Technical specifications for ES0350.M1A05L.27N0

  • Manufacturer:
    Emerson
  • Part Number:
    ES0350.M1A05L.27N0
  • Product Family:
    EL-O-Matic E-Series
  • Product Type:
    Single-acting spring-return pneumatic rack-and-pinion valve actuator
  • Stock:
    1
  • Action:
    Single acting, spring return
  • Actuator Type:
    E350
  • Valve Flange / Finish:
    Metric ISO 5211, standard finish
  • Limit Stops:
    L1 one-way limit stops
  • Assembly Code:
    Spring to close, clockwise, in line with pipeline
  • Insert Size:
    27 mm, ISO/UNC
  • Permissible Temperature:
    -20 to +80 °C
  • Recommended Tubing, Run up to 1.2 m:
    6 mm / 1/4 in
  • Recommended Tubing, Run over 1.2 m:
    8 mm / 5/16 in
  • Dimensions:
    39 × 21 × 21 cm
  • Weight:
    16.26 kg
  • Tariff Code:
    8412310090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Mounting Pneumatics Adjustment Application
  • The ES prefix identifies single-acting spring-return operation in the EL-O-Matic E Series.
  • The documented configuration uses L1 travel stops and clockwise spring-to-close action.
  • The published matrix does not define the supplied “L” option, so nameplate confirmation is mandatory.

ES0350.M1A05L.27N0 is an Emerson EL-O-Matic E350 pneumatic valve actuator designed for spring-return operation of a quarter-turn valve.

Its supported code positions define metric ISO construction, L1 travel stops, spring-to-close rotation, a valve-shaft insert, and no local visual indication.

Before installation or replacement, verify the full nameplate, the unexplained “L” option, valve torque and interface, shaft orientation, pneumatic tubing, and required fail action.

Availability, condition, price, and shipping time for ES0350.M1A05L.27N0 are confirmed during quotation.

Emerson ES0350.M1A05L.27N0 Pneumatic Valve Actuator Manuals, Product Family, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Match the documented metric ISO valve flange and insert to the installed valve stem.
  • Confirm that the assembly orientation produces the required clockwise fail-close movement.
  • Keep the actuator aligned with the valve to avoid side loading of the drive interface.
  • Connect the supply to the spring-return port arrangement shown in the Emerson manual.
  • Select tubing with regard to run length so the actuator can move as intended.
  • Isolate pneumatic and electrical energy before installation, adjustment, or disassembly.
  • The L1 execution limits outward piston movement through the end-cap stop bolts.
  • Adjust travel only after the actuator has been mounted to the valve.
  • Secure the locknuts and covers after the required valve position has been established.
  • Spring-return automation of quarter-turn ball valves.
  • Fail-position operation of quarter-turn butterfly valves.
  • Pneumatic actuation of quarter-turn plug valves.
Description
ES0350.M1A05L.27N0 is an Emerson EL-O-Matic E350 single-acting spring-return pneumatic rack-and-pinion valve actuator.

The documented code positions identify metric ISO 5211 construction, L1 limit stops, clockwise spring-to-close operation, spring set 05, a 27 mm insert, no visual indication, and standard temperature execution.

Before installation or replacement, confirm the nameplate and obtain Emerson clarification for the undocumented “L” option, then verify valve torque, mounting, shaft orientation, air connections, travel stops, and spring action.
Alternative Names
ES0350.M1A05L.27N0 ES0350 M1A05L 27N0 ES0350M1A05L27N0 Emerson ES0350.M1A05L.27N0 EL-O-Matic ES0350.M1A05L.27N0
Technical notes
ES0350.M1A05L.27N0 is an Emerson EL-O-Matic E350 single-acting spring-return actuator. Match the complete nameplate code, including the L position, then isolate all energy and relieve the valve system before service.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why must the nameplate be checked before ordering ES0350.M1A05L.27N0?
Emerson's published E/P Series code matrix defines only “A” at the future-expansion position, while ES0350.M1A05L.27N0 contains “L”; a readable nameplate or factory confirmation is required.
How does ES0350.M1A05L.27N0 move when air is applied and removed?
The documented ES and assembly-code A positions mean port A air drives counterclockwise opening, while the spring return drives clockwise closing.
What should be reviewed when setting the travel stop on ES0350.M1A05L.27N0?
The L1 execution limits outward piston travel through end-cap stop bolts; mount the actuator on the valve and follow Emerson's locknut and adjustment procedure.
Which mechanical interfaces must match for ES0350.M1A05L.27N0?
Confirm the metric ISO 5211 flange, 27 mm insert, valve stem geometry, mounting orientation, required torque, and spring-to-close direction.
How should tubing be selected for ES0350.M1A05L.27N0?
Emerson lists 6 mm or 1/4 in tubing for runs up to 1.2 m and 8 mm or 5/16 in for longer E350 runs.
Does ES0350.M1A05L.27N0 provide a local visual position indication?
The N position in the published code matrix means no visual indication; confirm whether any separate switch box or indicator is included in the quotation.
What isolation is required before servicing ES0350.M1A05L.27N0?
Emerson instructs users to isolate the actuator pneumatically and electrically before assembly or disassembly and to relieve the connected valve system in accordance with plant procedures.

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