Asco WSTB344A370.24/DC ASCO Solenoid and Pilot Valves

Razz Middle East supplies ASCO solenoid valves and pilot valves in Saudi Arabia. The family covers general service and process valves, pneumatic pilot valves including the 551 and 290 series, dust collector pulse valves, and the coils and rebuild kits that go with them. Items are sourced to order and delivered duty-paid to site.

Asco WSTB344A370.24/DC

This page covers Asco part number WSTB344A370.24/DC — ASCO Solenoid and Pilot Valves. Quote the full part number with your enquiry and the item is unambiguous: one part number identifies one exact product variant, including options that are not visible in the description.

About ASCO Solenoid and Pilot Valves

A solenoid valve is a valve body with an electrically operated pilot. The ASCO range separates by function. Direct-acting valves shift the seat with the solenoid itself and work down to zero differential pressure; internally piloted valves use line pressure to do the work and need a minimum differential to open. The 551 series is a spool-type pneumatic pilot valve used to drive process actuators, and the 290 family covers larger angle-seat and piston-operated valves for steam, water and process fluids. Coils are ordered separately from bodies and are specified by voltage and by AC or DC construction; a 24 V DC coil and a 24 V AC coil are not interchangeable. Seal material sets the fluid and temperature limits, and the part number encodes body material, port size, seal compound, coil voltage and enclosure type. Rebuild kits carry the soft parts only. Coils and rebuild kits are listed under their own numbers.

ASCO Solenoid and Pilot Valves in Saudi Arabia

ASCO valves are used across Saudi process industry. Typical duties are actuator pilot service on ball and butterfly valves in Jubail and Yanbu petrochemical plants, instrument air distribution, pulse cleaning on baghouse dust collectors in cement plants and Ma'aden mineral processing, and water and chemical dosing lines in desalination and treatment works. Coils on outdoor skids run in high ambient temperatures, so temperature class and enclosure protection matter as much as the flow rating. Hazardous-area installations need an explosion-protected coil housing certified for the zone. Control supplies are usually 24 V DC from the panel or 110/220 V AC derived from a 380/400 V, 60 Hz system, and coil voltage must be confirmed against the actual circuit before a replacement is ordered.

Ordering and lead time

Give the full ASCO catalogue number, and give the coil voltage separately even when it appears in the code, since a coil is a separate orderable item. State the fluid, operating pressure and temperature so the seal material and the minimum differential requirement can be checked. For a repair, confirm whether a complete valve, a coil only or a spare-parts kit is wanted, as the kit contains soft parts only. Port size and thread form, body material and enclosure type all change the code. ASCO items listed here are sourced to order with a lead time of about three weeks and are delivered duty-paid to site. For a pilot valve, also state the actuator it drives and the instrument air pressure available.

Specifications are taken from the supplier's published catalogue data. Confirm against the manufacturer's current datasheet before ordering.