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Dymax Model 110 & 210 Spray Valves User Guide

Product Overview

The Dymax Model 110 and 210 Spray Valves are low pressure, low volume, front-closing

stainless steel valves. These valves use air pressure to atomize fluids and transfer them

to a substrate. The valves can be used in a wide variety of coating applications, applying

any number of low-to-high viscosity fluids.

The Model 110 is a standard-flow spray valve and should be used with materials that

have a viscosity less than 10,000 cP.

The Model 210 is a high-flow spray valve and should be used with materials that have a

viscosity greater than 10,000 cP.

The valve is comprised of two major sections, the air section (red anodized portion) and

the fluid section (stainless steel portion). The air section of the valve is constructed of

an aluminum body. It contains a simple piston/cylinder combination used to open and

close the valve. This section also houses the stroke-adjustment bolt, which is located in

the upper air body. The stroke-adjustment bolt controls how far the piston and needle

assembly can retract thus regulating the rate of fluid flow.

The second section of the valve, the fluid section, is constructed of stainless steel. It

contains a needle and seat combination, which is located at the end of the Valve inside

the atomizing air cap. Fluid flows through the seat orifice as the needle retracts out of

the seat. The fluid stops as the needle moves back into the Seat. When the needle is

retracted, atomizing air is applied to spray all of the fluid from the air cap. The stroke

adjustment bolt located on the air section of the valve regulates the distance that the

needle can retract out of the seat. This controls the orifice size and the rate of fluid flow.

A precision air regulator is used to control a precise amount of atomizing air. Fluids can

include but are not limited to solvents, conformal coatings, grease, etc.

Wetted parts on the spray valve include: 303, 304 stainless steel, Teflon®, and Kalrez®