Double Offset Butterfly Valve
Series - 7400
Dembla Double Offset Butterfly Valves are available in a Wide Range Of Materials, Sizes, Trim Forms And Other Features. A Comprehensive List Of Features Is Available For Immediate Navigation
Dembla High Performance Butterfly Valves are available in Wafer and Lug type designs conforming to API 609 standard. The Disc construction is Double Offset providing excellent controllability, bubble tight shut off, greater seat life and smooth operation.
Well supported shaft with heavy duty bearings ensure perfect alignment of seat and disc for smooth and trouble free operations. Valves have been rigorously tested to ensure industry performance requirements.
Size & Rating
PN6
128 Inch
DN 3200
PN10
80 Inch
DN 2000
#150
60 Inch
DN 1500
#300
36 Inch
DN 900
Features
Valves designed to achieve bi-directional tight shut off for sizes upto 3000 NB ( with Elastomer soft seat)
Wide choice of various seat moe: EPDM I VITON I PTFE I RPTFE (GFT) I SS316
Anti Blow out stem design
Wafer , Lugged and Double Flanged design
Positioners
Standard
Design
API-609/ASME-B-16.34
F/F
API-609/EN 558
Testing
API-598/EN-12266, FCI 702
Fire Safe
API-607
End Connection
FLANGE/WAFER/ LUG-B16.5,B16.47,EN1092-1
BUTTWELD-B16.25
Material
MATERIAL |
CASTING |
FORGING |
CARBON STEEL |
A216 Gr. WCB, A217 Gr. WC6, A217 Gr. WC9 |
A105 |
LOW TEMP CARBON STEEL |
A352 Gr. LCB, A352 Gr. LCC |
A350 Gr. LF2 |
STAINLESS STEEL |
A351 Gr. CF8M, A351 Gr. CF8, A351 Gr. CF3M, A351 Gr. CF3 |
A182 Gr. F316, A182 Gr. F304, A182 Gr. F316L, A182 Gr. F304L |
DUPLEX |
A995 Gr. 4A |
A182 Gr. F51 |
SUPERDUPLEX |
A995 Gr. 5A, A995 Gr. 6A |
A182 Gr. F55 |
HAST C |
A494 Gr. CW-12MW |
B574 UNS N10276 |
ALLOY 20 |
A351 Gr. CN7M |
B462 Gr. N08020 |
BRONZE |
B62 Gr. C83600 |
|
ALUMINIUM BRONZE |
B148 Gr. A |
B150 Gr. C62300 |
NICKEL AL BRONZE |
B148 Gr. D |
B150 Gr. C62300 |
TITANIUM |
B381 |
B381 |
MONEL |
MONEL 400, MONEL K-500 |
MONEL 400, MONEL K-500 |
NICKEL |
INCONEL 625, INCONEL 825, INCONEL 718, INCONEL X750 |
Specifications
Valve Sizes |
2" (50mm) to 120" (3000mm) |
Ratings |
Class 150 , Class 300 ,Equivalent to DIN PN2.5, PN6, PN10, PN16, PN25, PN40 |
Body Style |
Flanged ( 2" to 128" Only) & Lugged & Wafer ( 2" to 80" Only) | Seat Leakage Option |
Class VI for PTFE, EPDM, Viton Soft Seats,Class IV for Flexible Metal Seats |
Flow Direction |
Bi Directional |
Conformity To Codes
Design & Manufacturing |
API 609 Category B BS 5155 API 607 (Fire Safe) |
Face to Face Dimensions |
API 609 BS 5155 BS EN 558-1 ISO 5752 |
Flange Dimensions |
ANSI B 16.5 (DN 50 to DN 600) ANSI B 16.47 (DN 650 to DN 1500) |
Pressure Temperature Rating |
ANSI B 16.34 |
Valve Inspection |
API 598 FCI 70-2 |
Application Industries
Chemicals & Natural Gas
Power Plants
Sugar Mills
Paper & Pulp
Water
Food & Beverage
Petrochemicals
Oil & gas
Gas Process
Piping Systems
Ship Building
FPSO
Pharmaceuticals
Mining
Metal & Steel
Global Presence of Dembla
Dembla is one of the major Manufacturer, Exporter and Supplier of Double Offset Butterfly Valve - Series 7400 in Italy, Iraq, Korea, Germany, France, Japan, USA, Russia, Brazil, Mexico, Chile, Canada, Australia, Philippines, Vietnam, Austria, Africa, Spain, Turkey, Netherlands, UK and across the Entire Globe.
Our Manufacturing set up is situated at Bhiwandi, Thane - Mumbai, Maharashtra, India.