• General description

• Working principle and benefits

• Cavitations creation and comparison

• Space advantage

• Monovar sizing curves

• Materials

• Applications

• Product pictures

• Type : Multi-port sliding plates with a fixed and a moving plate

• Anti-cavitation control valve

• End connection:

• Wafer or flanged

• Size: DN 100 mm (4”) to 2000 mm (80”)

• Working pressure: PN10 to PN100

• Temperature: -15°C to +120 °C

Design feature: Working principle

• Pipe flange

• Body

• Fixed plate

• With 57 tapped holes

• Moving plate

• Identical to fixed

• Can “slide” radically on the fixed plate

• BENEFITS

• Water flow is split into 57 jets of water which avoids cavitation and noise when operating.

• Able to dissipate very high water heads (up to 500 mWH)

• Allows very quick flow recovery (1.5 DN)

• Allows very accurate flow or pressure control (1%)

• Very compact design (Face to face dimensions less than 160 mm)

• Can be installed in-line or as a free discharge valve

Cavitation comparison:

• When submitted to high differential pressure, butterfly valves will cavitate and create noise, vibrations and corrosion

• MONOVAR does not cavitate and allow flow recovery in less than 1.5 DN

Design feature: Space advantage

• Monovar DN 1050

• Face to face: 160 mm

• Perforated globe valve DN 1050

• Face to face: 2300 mm

• Sleeve valve or Cone valve DN1050

• Face to face: 3800 mm

Materials:

• Actuator

• Electric modulating 1800 st/hour

• Can be coupled to SAPAG CCM controller for full control solution

• Plates

• Made in Ductile Iron (PTFE coated) or Stainless steel (PTFE coated) according to sizing

• Body

• Wafer of Flanged according to size, made in Ductile Iron.

• Flow or pressure control at water treatment plant inlets (or outlets)

• Flow control in large size pumping station (when constant speed pumps are used)

• Energy dissipation applications

• Turbine by-pass valve in hydro-electric installations (Dams)

• Free discharge valve

• Fresh or sea water cooling systems.