High Performance Butterfly Valve [Triple Offset]
>> General
Series DRB-59 Butterfly Valves Has Been Developed For A Large Number Of Applications Throughout Process Industries.
Series DRB-59 Triple Offset Type High Performance Butterfly Valves Are Mainly Used For The Control Of Fluids Flowing In Large Valve At High Temperature & Differential Pressure. It Offers Added Advantages Such As Simple Structure And Low Cost.
>> Performance
- High Cv To Valve Weight Ratio Compared To Conventional Control Valves.
- Throttling Controls 60° Rotation, On-Off Controls 90° Rotation.
- Excellent Control Range Ability.
- Easy Maintenance.
- Iso Standard Mounting Hole.
- Direct Mounting Actuator.
>> Design Flexibility
- Asymmetrical Disk Structure, The Valve Torque Is Very Small.
- Swing Through And Tight Shut-Off Seated Trim Design.
- Flange Connection Versions Available.
- Full Range Of Bonnet And Packing Design To Suit Various Temperatures And Fluids.
- Provides Fire Safe Sealing, Which Combines A Soft Seal Ring And Metal Seal Ring.
- Full Range Of Body And Vane Material Options, With Availability Of Hard Factings.
- Triple-Offset Type.
- Self-Centering And Tight Seating.
- Wafer Type As Standard.
>> Specifications
| Valve Model | Series DRB | |
|---|---|---|
| Valve Type | High Performance Soft Seat Type, High Performance Metal Seat Type, Lined Type |
|
| Valve Size | 3"(80A) to 40" (1000A) |
|
| Valve Rating | ANSI 150# to 600# JIS 10K to 40K PN 10 to 40 |
|
| End Connection | WF, LUG, RF and so on | |
| Body Material | WCB, CF8, CF8M, CF3, CF3M, CD4MCU, CA6NM and so on SCPH2, SCS13, SCS14, SCS19, SCS16, SCS1, SCS2 and so on 304, 316, 316L, 420J2 and so on MONEL, HASTELLOY, TITANIUM, ALLOY 20, MORE-1 and so on +STL, +TCC, +RUBBER, +TFE, +PFA, +CERAMIC and so on |
|
Disc Material |
CF8, CF8M, CF3, CF3M, CD4MCU, CA6NM and so on SCS13, SCS14, SCS19, SCS16, SCS1, SCS2 and so on 304, 316, 316L, 420J2 and so on MONEL, HASTELLOY, TITANIUM, ALLOY 20, MORE-1 and so on +STL, +TCC, +RUBBER, +TFE, +PFA, +CERAMIC and so on |
|
Seat Material |
PTFE, RTFE, CTFE, PEEK and so on 304, 316, 316L, 420J2 and so on MONEL, HASTELLOY, TITANIUM, ALLOY 20, MORE-1 and so on +STL, +TCC, +RUBBER, +TFE, +PFA, +CERAMIC and so on |
|
| Bonnet Type | Plain (-17℃ to 230℃) | |
| Extension ( -45℃ to -17℃, over 230℃) | ||
| Cryogenic ( -196℃ to -45℃) | ||
| Flow Characteristic | Inherent, On-off | |
| Leakage Class | Metal Seat | Rated ANSI Class IV, V |
| Soft Seat | Rated ANSI Class VI | |
| Actuator Combination | Diaphragm Actuator, Spring Return Cylinder, Double Acting Cylinder, Electric Actuator | |
