Typical applications for the HD series include caustic, acid, formaldehyde and odorant injection
A patented hydraulic-driven diaphragm system that isolates the chemical from the plunger and seal
Diaphragms are Teflon-laminated to prevent corrosion
All fluid-contact parts are 316 stainless steel, particularly recommended for corrosive environments
The oil in the upper chamber serves as a plunger lubricant and a hydraulic fluid
The TR2 timer has become a design standard with a lightweight, simple design that's easy to maintain
