Supplied with a Factory‑Installed V‑3000 Exposed Pneumatic Actuator, Which Has a Synthetic Rubber Diaphragm in a Die‑Cast Aluminum Housing
Molded Diaphragm Provides a Constant Diaphragm Effective Area throughout the Stroke
Complete Actuator Assembly Can Be Removed without Disturbing the Remainder of the Valve Assembly
Completely Enclosed Actuator (V‑3000‑8003 Can Be Ordered Separately for Field Mounting)
Valve Has Two Inlets (Upper and Lower) and One Outlet (Center)
Lower Inlet Port Is Normally Open (N.O.), and Upper Inlet Port Is Normally Closed (N.C.)
V‑4440 Is Both a Switching Valve and a Control Valve
Contains Two Modulating Plugs with Replaceable Composition Discs That Are Designed for Both Hot‑ and Cold‑Water Service
Bottom Service Connection Is Furnished with a 90 Deg Elbow That Can Be Rotated to Any Position
The V‑4440 Series Water Valve 1/2 and 5/8 in. for Three‑ and Four‑Pipe Systems accurately regulates hot and cold water in small room air conditioning three‑ or four‑pipe systems. The two‑pipe supply system provides heating and cooling water to the room units continuously.