​         512-734-6241   AUSTIN / sAN aNTONIO


process environments I. Ltd. llp

​​​​800-495-2249  Toll Free

​281-316-2500    HOUSTON

Process environments I ltd llp

281-316-2500    or     800-495-2249

Privacy Policy

Dust Collectors  •  Fume Extractors  •  Mist Collectors •  Industrial Ventilation
Dust Collection System Design  •  Explosion Venting  •  System Ductwork 

Sheet Metal Fabrication  •  Turn-Key Installations  •  Replacement  Filters 
 Replacement Parts  •  Maintenance Contracts

process environments I Ltd. LLP



control panels

Photohelic Control Panel


Process Environments can custom design the appropriate control panel for your dust collection system or ventilation fan requirements.  We specialize in Photohelic control panels that are designed for "on demand" jet-pulse cleaning, which will extend filter life and reduce compressed air consumption, both important considerations for an efficient filtration system:

Panel Components Include:
Photohelic gauge mounted in panel door
Magnetic motor starter(s)
230-460/120v CPT 
Solid state timer control board
"Dwyer" Photohelic gauge for "on demand" pulse cleaning 
On/off push button(s) with indicator lights 
All fuses and heaters 
Bulk-head fittings for air tubing 
"Soft Start" motor starters 
 Fractional hp starters for rotary valves or screw conveyors 
 Auto/manual switch for "off line cleaning" 
 Circuit breaker disconnect 
 Alarm systems for smoke, spark or explosion detection 
 Zero-speed switch alarm for conveying equipment 
 Delta P & Delta P Plus Control Panel

Delta P & Delta P Plus Control Panel

Donaldson Torit Delta P & Delta P Plus Controls

These Controls are solid-state products providing pressure drop measurement, digital display, and pressure drop control with an alarm function. Designed to provide accurate and dependable control of a pulse-cleaning timer, starting and stopping the cleaning process at the limits you choose. The Delta P and Delta P Plus are available as standard equipment on the Downflo Oval, Downflo II, Downflo WorkStations, Dalamatic, Modular Baghouse, and Electrical Control Panels

Process Environments can custom design the appropriate control panel for your system requirements.

For general ventilation systems, it may be advantageous to interlock specific fans for different areas of the building.