Additional information
Variant
Manual gearbox operation for smooth and reliable control, Supplied with connecting bracket for actuator installation
Double Flanged Eccentric Butterfly Valve (ESJ)
The Duvalco Double Eccentric Butterfly Valve (ESJ) is designed for reliable and efficient flow control in water systems. The double-offset disc design minimizes seat contact during operation, reducing wear and extending the valve's service life — particularly in systems with frequent actuation.
Design standard
EN 593
Design type
Double eccentric (double offset) for reduced seat wear and lower operating torque
Face-to-face dimensions
EN 558 Table 2, Series 13/14
Flange connection
EN 1092-2, PN10/PN16
Size Range
DN100 to DN2000
Body material
High-quality ductile iron
Disc material
Ductile iron or stainless steel options available
Seat material
Resilient seat (EPDM/NBR), vulcanized or replaceable
Working pressure
Up to 16 bar
Top flange
ISO mounting flange in accordance with ISO 5211 for easy actuator integration
Coating
Fusion-bonded epoxy with WRAS approval
Water contact materials
comply with BS 6920
Testing
Hydraulic and performance tested to EN 12266-1
