triple OFFSET BUTTERFLY DAMPER VALVES

We offer Triple Offset Butterfly Damper Valves in sizes from150mm to 12000mm in round shape and Pressure rating up to PN25. Different Sealing materials and 100 % leak tightness at higher temperature are offered as per application requirement

As from the name suggests it has three offsets, first two offsets are similar to double offset damper valves while third offset is on the seating surface which creates a cone type shape of the disc and seat. Our valves and designed for various flowing media like corrosive, hazardous with design temperature range from -25 Deg C to 650 Deg C.

Size Range: Ø 150 mm to Ø 1200 mm & above

Material Of Construction:  ASTM A 36 / ASTM A 240 Type 304L / ASTM A 240 Type 316L / ASTM A 516 Gr-70 / ASTM A 387 Gr-11 / ASTM A 240 Type 310S/ A216 Gr. WCB / A351 Gr. CF8 / A351 Gr, CF8M  /As per Client Requirement.

Flowing Media: Steam / Hot Air / Gas / Water etc.

Design Temperature: -25°C to 650 °C

Pressure Ratings: PN1 / PN2.5 / PN6 / PN10 / PN16 / PN20 / PN25 / Class150 / Class 300

End Connection: Wafer / Double Flanged (Short/Long Pattern) and 

                                Butt Weld End

Face to Face: API 609 / ASME B16.10 / ISO 5752 / BS EN 558 / Mfg. STD

Flange Drilling: ASME B16.5 / ASME B16.47 / BS EN 1092-1/ Mfg. STD.

Butt Weld Ends: ASME B16.25

Testing: AMCA 511 / ASME AG-1 / ANSI FCI 70-2 / Mfg. STD

Sealing Efficiency: 100% Sealing to Downstream & Atmosphere    

Drive Mode: Manual / Motorized / Pneumatic / Hydraulic etc.

Design Codes and Standards: ASME B16.34 / ASME AG-1 / ERDA 76-21 /                         

                                                        API 609 / ASME SEC VIII; SEC V; SEC IX

SALIENT FEATURES:

• Bi-directional
• Spark Proof
• Low pressure drops
• 100% sealing to Atmosphere
• Lower Torque, Economical, Longer Life
• Lighter and Stronger Construction
• Maintenance-free Bearings
• Disc and Seal easily Replaceable.
• Anti-Blowout
• Seismic Qualified Design

APPLICATIONS:

• Water and Waste water treatment
• Scrubber & SCR System
• RTO System
• Any process lines that need the control or isolation of Flowing media

APPLICATION INDUSTRIES:

• Power plants
• Marine
• Steel 
• Paper & Pulp
• Textiles
• Sugar & Ethanol
• Water & Wastewater Treatment
• Cement
• Fertilizers
• HVAC
• Food & Beverages
• Pharma

Butterfly damper valves