overview
2L Butterfly Valves are designed to offer reliable control and on-off performance using a disc as the closure part. Butterfly valves can be either symmetric or eccentric (offset), the offset referring to the stem being displaced from the center of the disc. 2L butterfly valves are available with wafer style (no flanges), lugged (single flange), and double-flanged body types. These valves are offered with short face-to-face dimensions making them a right selection for versatile and cost-efficient solutions for a variety of on/off and control applications.
2L Engineers
2L Engineers
Special Features
- The design complies with API 609
- Blowout-proof Shaft
- Range of Short-pattern and Long-pattern valves
- Tight sealing and low operating torque
- Design Validation Test for various valves successfully completed 10,000 cycles
- Elastomer Seals - Black/White Nitrile, Black/White EPDM, Viton, and Silicon
- Fire-Safe Design for Offset Valves
- Actuator mounting pads to ISO 5211
Design Standards
- EN 593 and API 609 Cat A & B
End Flanges:
Face to Face
- API 609, ISO 5752, EN 558
Testing Standard
End Connections
- Wafer and Lugged
- Raised Face Flange (ASME B16.5, EN 1092-1)
- Ring Type Joint (ASME B16.5)
- Butt Weld (ASME B16.25)
Sizes Range
- CAT A: DN 40 to DN 850 (1.1/2" to 32")
- CAT B: DN 50 to DN 900 (2" to 36")
Pressure rating
- CAT A Centric Disc: PN10, PN16, PN25, and Class 150
- CAT B Offset Disc: Class 150 to Class 900
Operations
- Manual: Bare-shaft, Lever & Gearbox
- Automation: Electric, Pneumatic, and Hydraulic Actuators
Shutoff Rating
- Zero Leakage for Soft Seated & Metal Seated as per API 598 or relevant STD
Material Type Specification:
|
Type of Service: |
Valve Shell Material: |
Pressure Controlling Parts &
Stem: |
General Service |
Carbon or Low-Alloy Steel |
Carbon or Low-Alloy Steel |
General Service |
Carbon or Low-Alloy Steel |
Stainless Stee |
General Service |
Stainless Steel |
Stainless Stee |
Sour Service |
Carbon or Low-Alloy Steel |
Carbon or Low-Alloy Steel |
Sour Service |
Carbon or Low-Alloy Steel |
Stainless Steel |
Sour Service |
Stainless Steel |
Stainless Steel |
Sour Service |
CRA ( Corrosion Resistant Alloy) |
CRA ( Corrosion Resistant Alloy) |
Sour Service: as per NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945, for full details, contact 2L Engineers.
Material Specification details are only indicative, for full details, contact 2L Engineers.