The PROVAL V101 Series Wafer Butterfly Valves are engineered for reliable shut-off and control across a wide range of industrial applications. Designed with a compact, lightweight body and high-performance sealing system, the V101 series delivers dependable operation, long service life, and low maintenance requirements.
These valves are widely used in:
● Water and wastewater treatment
● Seawater systems
● Iron and steel industries
● Food and beverage processing
● Pulp and paper production
● Chemical and petrochemical plants
● Heating and cooling lines
The V101 series combines robust construction with versatile material options, making it suitable for both general service and demanding process environments.
Design Features
● Square shaft with integrated flow direction indicator, designed according to valve torque requirements and suitable for direct actuator mounting
● ISO 5211 top flange for easy actuator installation
● Multiple centering holes compatible with EN1092 PN10 / PN16, ANSI Class 125/150, and BS10 Table D / E flanges
● Easily replaceable seat options suitable for a wide range of chemical processes
● 4-lug centering system for fast and accurate flange alignment
● Bronze/PTFE upper shaft bearing and sealing system
● Bronze/PTFE center stem bearing for smooth actuator operation
● Anti-blowout stem design for enhanced operational safety
● Internal double O-ring seat system to prevent stem leakage
● Two-piece stem design for increased flow capacity (Kv)
● Tongue-and-groove seat design to minimize friction and torque, extending seat and valve life
● Bottom stem plug removable with an Allen wrench for simplified maintenance
● Long neck design for easy insulation
● Cast heat number for full material traceability
● Identification label with serial number and complete material specifications