Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1 in Female NPT - ARO K Series Solenoid-Operated Inline Air Control Valves
AROARO K Series Solenoid-Operated Inline Air Control Valves

ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1 in Female NPT

The ARO K Series Solenoid-Operated Inline Air Control Valve (SKU 342CH4, MPN K218SS-120-A) is a four-way, two-position valve with a 1-inch female NPT connection and 120V AC operation. It features a non-locking…

SKU 3G-OTH-193526

Brand
ARO
Item
Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1 in Female NPT
Category
ARO K Series Solenoid-Operated Inline Air Control Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ARO
Manufacturer Part Number
K218SS-120-A
Type
Four-Way / Two-Position, Internal Pilot
AC
120V
Female NPT
1 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO K Series Solenoid-Operated Inline Air Control Valve (SKU 342CH4, MPN K218SS-120-A) is a four-way, two-position valve with a 1-inch female NPT connection and 120V AC operation. It features a non-locking, spring-return mechanism and internal pilot actuation.

Frequently Asked Questions

What is the ARO K218SS-120-A solenoid air control valve used for?

The ARO K218SS-120-A is a four-way, two-position solenoid-operated inline air control valve used to direct compressed air in industrial automation, packaging, and material handling systems. Its spring-return mechanism ensures the valve returns to its default position when power is removed, providing reliable control of pneumatic actuators.

What are the specifications of the ARO K218SS-120-A valve?

The ARO K218SS-120-A is a K Series solenoid-operated inline air control valve with a four-way, two-position configuration. It has a 1-inch female NPT connection, operates on 120V AC, and uses internal pilot actuation. The valve features a non-locking, spring-return mechanism and carries MPN K218SS-120-A.

Where to buy the ARO K218SS-120-A valve worldwide?

You can source the ARO K218SS-120-A valve 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 provide competitive pricing and reliable sourcing for this ARO K Series valve.

How to install the ARO K218SS-120-A solenoid valve?

To install the ARO K218SS-120-A, ensure the 1-inch female NPT ports are clean and apply thread sealant. Mount the valve inline with the flow direction indicated on the body. Connect the 120V AC power supply to the solenoid coil, and verify the spring-return mechanism resets properly. Always follow standard pneumatic safety practices.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and check valves for transferring corrosive acids and solvents.
Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.
Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.
Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.
Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.
Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.

ARO Products

3G Electric supplies ARO aro k series solenoid-operated inline air control valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
ARO Pilot Air Control Valve: K Series, Four-Way / Two-Position, 5 Ports, 3/8 in Female NPT Pilot (MPN K213PS). Key specifications — attr1086823: K213PS; attr1086857: Spring Return; attr1086869: Spool; attr1086865: Normally Open.
ARO
ARO Pilot Air Control Valve: K Series, Four-Way / Two-Position, 5 Ports, 3/8 in Female NPT Pilot (MPN K213PS). Key specifications — attr1086823: K213PS; attr1086857: Spring Return; attr1086869: Spool; attr1086865: Normally Open.
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT (MPN M212SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: M212SS-120-A; attr1092977: Spring Return.
ARO
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT (MPN M212SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: M212SS-120-A; attr1092977: Spring Return.
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT (MPN M212SD-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: M212SD-120-A; attr1092977: Solenoid Return.
ARO
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT (MPN M212SD-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: M212SD-120-A; attr1092977: Solenoid Return.
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 120V AC, 3/8 in Female NPT (MPN M213SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: M213SS-120-A; attr1092977: Spring Return.
ARO
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 120V AC, 3/8 in Female NPT (MPN M213SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: M213SS-120-A; attr1092977: Spring Return.
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 24V DC, 1/4 in Female NPT (MPN M212SS-024-D). Key specifications — attr1092969: Non-Locking; attr1086920: M212SS-024-D; attr1092977: Spring Return.
ARO
ARO Solenoid Air Control Valve: MaxAir, Four-Way / Two-Position, 24V DC, 1/4 in Female NPT (MPN M212SS-024-D). Key specifications — attr1092969: Non-Locking; attr1086920: M212SS-024-D; attr1092977: Spring Return.
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 24V DC, 3/8 in Female NPT, 150 psi (MPN A213SS-024-L). Key specifications — attr1092969: Non-Locking; attr1086920: A213SS-024-L; attr1092977: Spring Return.
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 24V DC, 3/8 in Female NPT, 150 psi (MPN A213SS-024-L). Key specifications — attr1092969: Non-Locking; attr1086920: A213SS-024-L; attr1092977: Spring Return.

More from ARO

View all ARO parts
ARO Solenoid Air Control Valve: K, Four-Way / Three-Position, 120V AC, 3/8 in Female NPT, Closed (MPN K313SD-120-A). Key specifications — attr1086925: Closed; attr1092969: Non-Locking; attr1086920: K313SD-120-A; attr1092977: Solenoid Return.
ARO
ARO Solenoid Air Control Valve: K, Four-Way / Three-Position, 120V AC, 3/8 in Female NPT, Closed (MPN K313SD-120-A). Key specifications — attr1086925: Closed; attr1092969: Non-Locking; attr1086920: K313SD-120-A; attr1092977: Solenoid Return.
ARO
ARO
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 1/2 in Female NPT, 10-32 Female NPT (MPN K214SS-000-N). Key specifications — attr1092969: Non-Locking; attr1086920: K214SS-000-N; attr1092977: Spring Return.
ARO Solenoid Air Control Valve: K, Four-Way / Three-Position, 120V AC, 1/2 in Female NPT, Closed (MPN K314SD-120-A). Key specifications — attr1086925: Closed; attr1092969: Non-Locking; attr1086920: K314SD-120-A; attr1092977: Solenoid Return.
ARO
ARO Solenoid Air Control Valve: K, Four-Way / Three-Position, 120V AC, 1/2 in Female NPT, Closed (MPN K314SD-120-A). Key specifications — attr1086925: Closed; attr1092969: Non-Locking; attr1086920: K314SD-120-A; attr1092977: Solenoid Return.
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1/2 in Female NPT (MPN K214SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: K214SS-120-A; attr1092977: Spring Return.
ARO
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1/2 in Female NPT (MPN K214SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: K214SS-120-A; attr1092977: Spring Return.
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1/2 in Female NPT (MPN K214SD-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: K214SD-120-A; attr1092977: Solenoid Return.
ARO
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 1/2 in Female NPT (MPN K214SD-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: K214SD-120-A; attr1092977: Solenoid Return.
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 3/4 in Female NPT (MPN K216SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: K216SS-120-A; attr1092977: Spring Return.
ARO
ARO Solenoid Air Control Valve: K, Four-Way / Two-Position, 120V AC, 3/4 in Female NPT (MPN K216SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: K216SS-120-A; attr1092977: Spring Return.