PBM V-balls for Control Valves
PBM V-balls for Control Valves valves in industrial and sanitary throttling or shearing applications accurately control the flow of liquids or thick media. These valves feature characterized balls with various port shapes, including “V”. Manual valve standard.
PBM’s V-Ball 2-way control valve accurately controls the flow of liquids or thick media in industrial and sanitary throttling, keeping media flowing smoothly and giving accurate control through the entire valve stroke with openings designed specifically for your process. This economical, low-cost valve design translates into efficient, straight through flow, with a live-loaded rotary shaft sealing and tight shutoff in both directions.
Look beyond traditional globe valves to a valve technology that gives you high-pressure drop capacity with straight-through flow, precision control, shearing action, erosion control and bubble-tight shutoff. The flow characteristic is precision machined to a “V” shape to meet any control requirement. The controlling element is a 316L stainless steel ball with a choice of resilient seat options but is also available in Hastelloy, titanium, Inconel, and bronze.
PBM V-balls for Control Valves has equal percentage flow characteristics, while the slotted balls have linear flow characteristics. As the ball rotates, desired flow rates can be achieved by positioning the ball anywhere between 0° and 90°. This provides high flow capacity and outstanding repeatability in manufacturing processes. Custom openings are available to meet your unique control needs and provides an economical solution to more expensive rising stem control valves. These valves also feature characterized balls with various port shapes, including V or slotted either manual or automated. PBM V-Ball is available in any PBM 2-way series valve (ANSI, Industrial, Sanitary) and can combine with features such as purge ports, crown flats and polishing.
Steam Control:
Controlling steam pressure is not easy. Typical problems associated with globe control valves in steam service have been stem leakage, sticking, poor shutoff and high maintenance. Linear stem valves require frequent packing adjustment and tightened packing sometimes means overshoot, oscillation and deviation from the setpoint. Further, Class IV shutoff is usually too much leakage
for many applications that required tight shutoff. PBM V-balls for Control Valves solve these problems with tight shutoff live-loaded stem seals and tailored ball characteristics providing ramp up conditions quickly while maintaining precision low flow control.
pH Control:
Low flow rates associated with pH process control loops require valves with very small openings. This creates a major problem in traditional rising stem control valves if any solids larger than the valve opening are in the system. Unfortunately, in most pH systems, it is impossible to eliminate solids in the liquid stream. They often clog control valves. This results in having to shut the line down and disassemble the valve. The V-Ball is the ideal control valve for pH control when using a low flow opening and solid removal hole. The special opening of the pH control seats provides the ideal throttling characteristics while allowing solids to move through the ball valve’s larger opening.
Temperature & Product Mixing Control:
V-Balls are for temperature and product mixing control because of their quick responses to process controllers’ signals and the precision to which they can control flow. Their accuracy at low and high flow demands enhance their effectiveness.
Applications:
Steam Control:
Controlling steam pressure is not easy. Typical problems associated with globe control valves in steam service have been stem leakage, sticking, poor shutoff and high maintenance. Linear stem valves require frequent packing adjustment and tightened packing sometimes means overshoot, oscillation and deviation from the setpoint. Further, Class IV shutoff is usually too much leakage
for many applications that required tight shutoff. PBM V-balls for Control Valves solve these problems with tight shutoff live-loaded stem seals and tailored ball characteristics providing ramp up conditions quickly while maintaining precision low flow control.
PBM V-balls for Control Valves Tech Specs
PBM V-balls for Control Valves Tech SpecsFlow Calculator
Flow CalculatorFlow Calc Spreadsheet Instructions
Flow Calc Spreadsheet InstructionsPBM Industrial Valves Brochure
PBM Industrial Valves BrochureContact our Valve Specialist Team:
Brendan Merrigan (External) – Mob: 087 2598124
Internal Team
Brian Barry – Tel: 021 461 7211
Darragh Rodgers- Tel: 021 461 7241
Miriam Adair- Tel: 021 461 7235
Ross O’Donovan – Tel: 021 461 7230
Shauna O’Connor – Tel: 021 461 7237
Tim Quigley – Tel: 021 461 7209
Vicki McGrath – Tel: 021 461 7207
Tel: 021 461 7200