SCHNEIDERReplacement HVACR Pumps, Valves & Tubing

SCHNEIDER Pneumatic Valve Actuator: MK-4621 Mfr Part #

SKU 3G-OTH-78147

Brand

SCHNEIDER

Item

Pneumatic Valve Actuator: MK-4621 Mfr Part #

Technical Specifications

SCHNEIDER

Manufacturer Part Number

MK-4621 

Product Type

Pneumatic Valve Actuator 

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Technical Documents

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SCHNEIDER Products

3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the SCHNEIDER MK-4621 pneumatic valve actuator used for?

The SCHNEIDER MK-4621 pneumatic valve actuator is used in HVACR systems to automate valve positioning for regulating air, water, or steam flow. It is commonly applied in commercial building automation, industrial process control, and replacement of existing pneumatic actuators in heating and cooling networks.

What are the specifications of the SCHNEIDER MK-4621 pneumatic valve actuator?

The SCHNEIDER MK-4621 is a pneumatic valve actuator with manufacturer part number MK-4621. It is designed for HVACR applications requiring reliable pneumatic control. For detailed technical specifications such as stroke, torque, or pressure range, consult the SCHNEIDER datasheet or contact 3G Electric for sourcing assistance.

Where to buy the SCHNEIDER MK-4621 pneumatic valve actuator worldwide?

You can source the SCHNEIDER MK-4621 pneumatic valve actuator through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SCHNEIDER components for HVACR systems.

How to install the SCHNEIDER MK-4621 pneumatic valve actuator?

Install the SCHNEIDER MK-4621 by mounting it onto the valve stem per the manufacturer's instructions, ensuring proper alignment and secure coupling. Connect the pneumatic supply within the rated pressure range and verify correct stroke adjustment. Always follow generic best practices for pneumatic actuator installation and consult the SCHNEIDER manual for torque and air connection details.

Used in

Common applications for SCHNEIDER

Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.

Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.

Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.

Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.

Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.

Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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