Triple Eccentric Lug Butterfly Valve
Datasheet
Download datasheet (PDF)Specifications are indicative. Final specification is confirmed at quotation.
Specifications
Confirmed at quote- Size Range
- DN50 to DN600
- Pressure Class
- PN16, Class 150
- End connection
- Lug
- Operating temperature
- -100°C to 425°CRange across the material options offered. The limit of a given build follows its grade, confirmed with your enquiry.
Standards
- Design & manufacture
- API 609
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Materials
All available material options per part. Click a pill to set it in the configurator.
- Body
- Disc
- Stem
- Bushing
- Packing
- Body Standard Build
- Bolt Body
- Bolt Disc
- Connecting Support
- Disc Flange
- Packing Flange
- Pon
- Sealing Ring
- Stud
- Washers
Dimensions per size(14 sizes)
| Size | L (mm) | D1 (mm) | n-M | Weight |
|---|---|---|---|---|
| DN50 | 43 | 125 | 4-M16 | — |
| DN65 | 46 | 145 | 4-M16 | — |
| DN80 | 64 | 160 | 8-M16 | — |
| DN100 | 64 | 180 | 8-M16 | — |
| DN125 | 70 | 210 | 8-M16 | — |
| DN150 | 76 | 240 | 8-M20 | — |
| DN200 | 89 | 295 | 12-M20 | — |
| DN250 | 114 | 355 | 12-M24 | — |
| DN300 | 114 | 410 | 12-M24 | — |
| DN350 | 127 | 470 | 16-M24 | — |
| DN400 | 140 | 525 | 16-M27 | — |
| DN450 | 152 | 585 | 20-M27 | — |
| DN500 | 152 | 650 | 20-M30 | — |
| DN600 | 154 | 770 | 20-M33 | — |
Operating media
Typical applications
- Power generation
- Petrochemical
- Water treatment
- End-of-line service
Actuation options
Approvals
Features
- Triple offset geometry providing metal-to-metal sealing
- Lug-style body for end-of-line service capability
- Low torque operation
- Reduced maintenance due to minimal disc-seat contact during operation
- Triple-offset (triple eccentric) disc geometry
- Lug-type body with threaded lug holes for dead-end service
- Multi-level seal packing collar between disc and body (shown in detail callout A)
- Clamp retaining the seat/seal assembly
- Gearbox (worm-gear) actuator option
- Double-acting pneumatic actuator option
- Handwheel actuator option
- Part numbering on sectional diagram: items 1-12 identified (full legend not fully legible)
- Dimension references on drawing: L (face-to-face), DN (nominal bore), D1 (disc/seat diameter), n-M (bolt hole pattern)
Description
Triple eccentric (triple offset) lug-style butterfly valve for industrial shut-off service. Features metal-to-metal sealing geometry with a lug-type body for secure mounting between pipeline flanges, including end-of-line service. Available in a wide range of body materials and multiple sizes.
Selection notes
This butterfly valve is a triple eccentric, triple offset and lug type pattern, supplied for lug installation.
Sizes run DN50 to DN600, in PN16, Class 150.
The body is offered in A216 WCB, A216 WCC, A216 WCA and A352 LCB, so the grade can be matched to the service rather than the other way round.
Stated service media include crude oil and natural gas.
It is catalogued for Water & Wastewater.
Working temperature is -100°C to 425°C.
Built to API 609.
Supplier remarks
- Available in multiple sizes and material options to match application needs.
- Complies with international standards such as API, EN, and ASME.
Available pressure classes
Pressure classes this product is rated to.
Used in
Related guides
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