Javascript is not enabled on your browser.
Javascript is required for many of our site's features to work properly. Please enable javascript in your browser preferences to continue.

AutomationDirect will be closed for Christmas holiday on Tuesday, Dec 24th and Wednesday, Dec 25th.
Our offices will close at 3:00PM ET on Monday, Dec 23rd. Please note our shipping changes for Monday.: FedEx Priority (and free 2-day delivery) cutoff will be 3:00 PM ET. Freight shipments, FedEx ground and placing orders for pickup deadline is 1:00PM ET. No UPS shipping will be available on Monday. Merry Christmas to each of you and your families from employees of AutomationDirect.

Shopping Categories

Learn More

In Depth Product Sites

Product Selectors &
Configuration Utilities

> Valves > Modular Process Valves > Modular Valves

Modular Valves

Components to create a modular process valve assembly include solenoid or manual valves and distribution blocks. Inlet and outlet port adapters are sold separately. These valves support various types of media.

Modular Valves

Port Adapters

Modular Valve Accessories

Shop Now

Modular Valves

CITO StackFlow series valve bank assemblies are constructed using durable modular process valves and distribution blocks to offer a reliable and flexible solution for a variety of fluid handling applications such as water, coolant or oil (not for use with air or gases). CITO valves are known for providing precise, customizable control and efficient operation. Each modular valve includes common inlets at each end and an outlet discharge at the bottom. Manual and solenoid valves are available, as well as distribution blocks that can all be included in the same assembly. All components are proudly made in the USA.

For part listings and specifications, go to Shop Now

Modular Manual Valves

New!

CITO StackShort and StackFlow series modular manual valves are high-quality ball valves, available with or without a temperature gauge and with or without a flow indicator. Inlet and outlet port adapters are sold separately.

2-way/2-position valves
0 to 100 psi rating
20 to 160^°F [-6 to 71^°C] temperature rating

Starting at
$47.00
(SS-1000-BR)

Modular Solenoid Valves

New!

CITO StackValve series solenoid valves are robust diaphragm process valves with a high flow coefficient. The modular design allows them to be combined with other StackValve manual or solenoid valves to share a common fluid supply. Inlet and outlet port adapters are sold separately.