Tag: Control Valve

Friction can be a help and a hindrance. Without friction, we would not be able to walk – just consider the challenge of walking on an ice rink. But in a control valve, stiction (static friction) between the stem and packing can prevent the valve from responding promptly and accurately to control signals. This article presents abstracts of recent scientific research into stiction.

Climate change has gained the attention of global organizations and lawmakers, all coming to the same conclusion – greenhouse gases (GHG) and their effects must be addressed if we are to limit the effects of climate change.

IMI is launching its first control valve for urea plants, which is set to be installed at one of the major fertilizer plants in the MEA region for the first time later this year.

Recently, Neway Valve produced a globe type control valve with labyrinth trim for a 600,000-ton synthetic ammonia unit.

Baker Hughes has been awarded a control valves contract for the Diamond Green Diesel plant to be built in Port Arthur, Texas.

RTK, a Circor International brand and leader in design and manufacturing of control valves and actuators, has introduced the RTKREflex Quick Change control valve with balanced trim.

Belimo Americas’ new six-way pressure independent control valve features hydronically decoupled heating and cooling circuits with the integration of an innovative ball design.

The Automatic Control Valve ZW221/ZW222 has altitude level control valves that accurately control the water level in a tank or reservoir based on relative pressure, without the need for floats and sensors.

Flomatic’s new Stainless Steel direct acting constant pressure pump control valve with tappings, Model Cycle Gard® IV CB152SST is a flow efficient globe style, all stainless steel body valve.

The Type 860 & 809 Standard Flange Globe Control Valve from Badger Meter features a 1/2" body with 150 lb ANSI raised face flanges.