Dembla is a leading Control Valve manufacturing company in INDIA developing AWWA Butterfly Valves to meet application requirements of Water and Waste Water treatment industries, Water distribution systems, Power plants and Industrial plants. Dembla products are recognised for Quality and Reliability.
Series 7500 Butterfly Valves meet the latest AWWA C 504 / BS EN 593 standard requirement. The Valve designs are backed by Computer Aided Software and proper Safety Factors considerations for working components to ensure trouble-free long performance life.
Dembla Butterfly Valve components are machined on sophisticated machining centers for consistent error-free valve operations. Each valve undergoes Quality Control Inspection and Testing to meet AWWA C 504 / EN 12266-1 Testing requirements
Size & Rating
PN 6
108 Inch | DN 2700
PN 10
72 Inch | DN 1800
PN 16
60 Inch | DN 1500
PN 25
48 Inch | DN 1200
#150
60 Inch | DN 1500
#300
36 Inch | DN 900
Features
Valve body & disc with or without Ebonite I Epoxy lining
Better seating effect due to Double Eccentric disc design
This also gives extra life to valve seal due to minimum contact wear
Low Operational Torque because of Double Eccentric design
Positive sealing because of angle
Standards
Design
F/F
Proof Of Design Test
Testing
Lining Spark
End Connection
Valve body & disc with or without Ebonite I Epoxy lining
API 609 AWWA-C-504
AWWA-C-504
AWWA-C-504/API-598/EN-12266
IS-4602 Part-1
FLANGE-AAWA C207,B16.5,B16.47,EN1092-1
Specifications
Sizes
DN 100 Thru DN 2700 4″ Thru 108″
Pressure Class
Pressure Rating PN10 / PN16 / PN25 / PN40
Working Temperature
-20oC to +70oC
Disc Construction
Double Offset
Seal Construction
Seal clamped mechanically on Disc
Flow Direction
Bi directional
Actuators
Manual Gear Operator Electrical Actuator
Options
Floor Stand Rubber Lining on Body and Disc. Epoxy Fusion bonded on Body and Disc.
Conformity To Codes
Face to Face Dimension
EN 558-1 / BS 5752 Basic Series 14 (which replaces BS 5155)
Flange Dimension
ASME B16.5, ASME B16.5 Class B DIN EN 1092-1 / EN 1092 – 2 (PN10-PN16-PN25-PN40) AWWA C 207
