ASCO 52100078, 5/2 Pneumatic Solenoid Valve - Pilot/Pilot G 1/4 521 Series
Genuine ASCO (Emerson) parts from General Tech Services LLC, UAE, with free UAE-wide shipping available.
Part No. 52100078
Product Overview
The ASCO 52100078 is a Series 521 5/2 pneumatic solenoid valve designed for directional control of compressed air in automated pneumatic systems. It provides five ports and two switching positions, making it suitable for applications such as controlling double-acting cylinders in both directions.
The valve is listed with Pilot/Pilot actuation and G 1/4 pneumatic connections. Before ordering, confirm that the valve configuration matches the existing pneumatic circuit, control arrangement and mounting requirements.
Typical applications include packaging and assembly machinery, pneumatic control panels, process automation systems and like-for-like replacement of an existing ASCO valve during planned maintenance.
For replacement applications, using the exact part number helps maintain compatibility with the existing piping and machine control arrangement. Before ordering, confirm the valve function, actuation and return type, port size, coil or pilot configuration and mounting arrangement. The part number marked on the existing valve is a useful reference when identifying the required replacement.
General Tech Services LLC supplies genuine ASCO parts to industrial customers across the UAE. Provide the complete part number, required quantity and delivery location, and our team can confirm availability, compatibility and current pricing.
Key Benefits
- Genuine ASCO Series 521 pneumatic solenoid valve
- 5/2 directional control function
- G 1/4 pneumatic connection
- Pilot/Pilot actuation
- Suitable for double-acting pneumatic cylinder control
- Exact part-number replacement for maintenance requirements
- Free UAE-wide shipping available on genuine stock
Who This Product Is Best For
- Maintenance teams replacing an existing ASCO valve
- Machine builders and OEMs specifying pneumatic control components
- Control-panel and automation engineers
- Industrial plants using pneumatic cylinders and directional control systems
- Procurement teams sourcing exact ASCO part numbers in the UAE
How to Install & Use It
- Confirm that the 5/2 function, G 1/4 connections and Pilot/Pilot configuration match the existing pneumatic circuit.
- Isolate and exhaust the compressed-air supply before installation.
- Mount the valve in the required inline or manifold arrangement and connect the pneumatic ports according to the valve markings and installation documentation.
- Connect the pilot or control connections according to the applicable system requirements.
- Restore the air supply gradually and check the valve and connections for correct operation and leakage.
- Test the switching sequence with the actuator unloaded before returning the machine to normal operating conditions.
Use clean, dry, filtered compressed air suitable for the pneumatic system. Follow the applicable ASCO installation instructions and site safety procedures.
Frequently Asked Questions
What does the ASCO 52100078 5/2 solenoid valve do?
It switches compressed air through five ports and two positions for pneumatic directional control applications, including control of double-acting cylinders.
What voltage does the ASCO 52100078 use?
A specific voltage is not provided for this valve in the supplied product information. The required electrical or pilot configuration should be confirmed from the existing valve and applicable ASCO documentation before ordering.
What port size does it have?
The valve has G 1/4 pneumatic connections.
What type of actuation does it use?
The supplied product information lists the actuation as Pilot/Pilot.
What type of compressed air should be used?
Use clean, dry, filtered compressed air suitable for the pneumatic system. Proper air preparation helps protect internal components and maintain consistent valve operation.
Is genuine ASCO stock available in the UAE?
General Tech Services LLC supplies genuine ASCO valves and pneumatic components to industrial customers across the UAE, with free UAE-wide shipping available.
What information should I provide when requesting a quote?
Provide the complete part number, quantity and delivery location. Application information such as pressure, media, pilot configuration and mounting arrangement can also help confirm the correct ASCO variant.
Can you supply matching ASCO components with this valve?
Yes. General Tech Services LLC can quote matching ASCO valves, coils, fittings and related pneumatic accessories according to your application requirements.
How does the ASCO 52100078 compare with the 52100004?
Both are Series 521 5/2 pneumatic solenoid valves with G 1/4 connections. The 52100078 is listed with Pilot/Pilot actuation, while the 52100004 is listed with Solenoid/Pilot actuation and 230 V AC operation. Confirm the complete part number and application requirements before selecting a replacement.
How much does the ASCO 52100078 cost?
Pricing is quote-based. Call +971 6 543 6933 for current pricing and lead time.
Request a Quote Today
For pricing, availability or technical compatibility, contact General Tech Services LLC.
Call +971 6 543 6933 or visit www.generaltechshop.ae.
