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 > Port Adapters

Port Adapters for Modular Valves

Port adapters allow for a proper fitting to the inlet of a modular process valve assembly or to the outlet of a valve module. Mounting hardware is included with inlet port adapters but is sold separately for the outlet port adapters. Blank and special-purpose end caps are available.

Modular Valves

Port Adapters

Modular Valve Accessories

Shop Now

Port Adapters

CITO StackFlow series modular process valve port adapters allow for the connection of a common media source to the inlet of a valve bank assembly, or an output connection to the outlet of an individual valve module. In addition to providing simple process connections, options are available with flow controls and embedded temperature or pressure gauges. All components are proudly made in the USA.

For part listings and specifications, go to Shop Now

End Caps

New!

CITO StackFlow series end caps can mount to the modular assembly's left- or right-hand inlet. Caps can be blank or have an integral temperature or pressure gauge and are constructed of glass-filled nylon. All mounting hardware is included.

Starting at
$14.50
(SF-5420-K)

Inlet Adapters

New!

CITO StackFlow series body inlet port adapters are constructed from machined brass and available in sizes from 1/2" NPT to 1-1/2" NPT. All mounting hardware is included.

Priced at
$51.00
(EC-3401-K)

Outlet Adapters

New!

CITO StackFlow series outlet port adapters are constructed from machined brass and available in sizes from 1/8" NPT to 1" NPT. Multi-port adapters are available for some sizes. Mounting hardware is sold separately.

Priced at
$35.50
(EC-2011)

Outlet Flow Controls

New!

CITO StackFlow series flow controls are constructed from machined brass and mount to the outlet of StackFlow bodies. The thumbscrew allows for easy control of fluid flow. Mounting hardware is sold separately.