Moniteur Devices is an industry leader in the development and manufacture of valve position indicators, rotary limit switches, valve monitoring systems and valve positioners for automated valves. Our benefits are proven – all of our products outperform in the severe services found in the oil & gas, petrochemical, power generation, pharmaceutical, and specialty chemical industries, providing a longer service life and lower operating costs over the life of the product.
The SENTINEL has been designed to provide the most visible and reliable valve position indication in explosion-proof environments. Moniteur’s Engineered Loc-Ring Cam and Shaft retention system allows a multi-million cycle life, even in harsh environments. With both UL and CSA approvals, the Sentinel is the clearly the best choice.
The New Standard for Harsh Environments. The Survivor-II has been designed to provide the most visible and reliable valve position indication for Division 2 hazardous areas. Molded from DuPont’s SuperTough Zytel Nylon and outfitted with all-stainless steel trim, the SURVIVOR-II VPT will stand up to harsh washdowns and corrosives with ease.
The WATCHMAN VPT has been designed to provide the most visible and reliable valve position indication for general-purpose environments. Moniteur’s Engineered Loc-Ring Cam and Shaft retention system allows a multi-million cycle life, even in harsh environments. CSA approved Nema 4, 4x.
With the two stage package, valves can be partially closed rapidly and then completely closed gradually. This will shock to pipes and valves and hopefully stop water hammer.
The Moniteur DSS Dribble Control Package is a complete product incorporating two reliable ASCO solenoid valves and specially configured limit switches designed for two-stage operation. The package mounts to most spring return rotary pneumatic actuators and allows users to transform an automated valve into a two stage shutoff package. The most common applications are:
Filling or metering vessels:
By being able to reduce the flow rate at a given point during a filling operation, one can more accurately fill a vessel.